./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0019-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/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_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0019-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/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_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/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 40afad058466dec508429aba14a695fa830becbd8e90e3307f02f796ff077dad --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:20:00,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:20:00,699 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-03 01:20:00,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:20:00,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:20:00,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:20:00,736 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:20:00,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:20:00,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:20:00,739 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:20:00,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:20:00,740 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:20:00,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:20:00,741 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 01:20:00,742 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 01:20:00,742 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 01:20:00,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:20:00,743 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:20:00,744 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:20:00,745 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:20:00,745 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:20:00,750 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:20:00,751 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:20:00,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:20:00,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:20:00,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:20:00,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:20:00,753 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:20:00,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:20:00,754 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_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40afad058466dec508429aba14a695fa830becbd8e90e3307f02f796ff077dad [2023-12-03 01:20:01,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:20:01,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:20:01,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:20:01,096 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:20:01,096 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:20:01,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/memsafety/test-0019-2.i [2023-12-03 01:20:04,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:20:04,837 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:20:04,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/sv-benchmarks/c/memsafety/test-0019-2.i [2023-12-03 01:20:04,857 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/data/c5108da38/e170d97deb2f441f9dfbba47f75447cd/FLAG70632355d [2023-12-03 01:20:04,873 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/data/c5108da38/e170d97deb2f441f9dfbba47f75447cd [2023-12-03 01:20:04,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:20:04,878 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:20:04,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:20:04,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:20:04,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:20:04,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:20:04" (1/1) ... [2023-12-03 01:20:04,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29cad320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:04, skipping insertion in model container [2023-12-03 01:20:04,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:20:04" (1/1) ... [2023-12-03 01:20:04,940 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:20:05,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:20:05,315 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:20:05,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:20:05,395 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:20:05,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:05 WrapperNode [2023-12-03 01:20:05,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:20:05,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:20:05,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:20:05,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:20:05,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:05" (1/1) ... [2023-12-03 01:20:05,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:05" (1/1) ... [2023-12-03 01:20:05,438 INFO L138 Inliner]: procedures = 125, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-12-03 01:20:05,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:20:05,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:20:05,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:20:05,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:20:05,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:05" (1/1) ... [2023-12-03 01:20:05,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:05" (1/1) ... [2023-12-03 01:20:05,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:05" (1/1) ... [2023-12-03 01:20:05,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:05" (1/1) ... [2023-12-03 01:20:05,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:05" (1/1) ... [2023-12-03 01:20:05,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:05" (1/1) ... [2023-12-03 01:20:05,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:05" (1/1) ... [2023-12-03 01:20:05,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:05" (1/1) ... [2023-12-03 01:20:05,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:20:05,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:20:05,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:20:05,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:20:05,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:05" (1/1) ... [2023-12-03 01:20:05,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:20:05,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:20:05,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:20:05,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:20:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:20:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:20:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:20:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:20:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:20:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:20:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:20:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:20:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:20:05,692 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:20:05,695 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:20:05,905 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:20:05,960 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:20:05,960 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:20:05,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:20:05 BoogieIcfgContainer [2023-12-03 01:20:05,963 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:20:05,964 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:20:05,964 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:20:05,978 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:20:05,978 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:20:05" (1/1) ... [2023-12-03 01:20:05,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:20:06,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:06,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2023-12-03 01:20:06,050 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2023-12-03 01:20:06,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 01:20:06,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:06,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:06,387 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 01:20:06,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:06,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2023-12-03 01:20:06,426 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2023-12-03 01:20:06,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 01:20:06,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:06,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:06,604 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 01:20:06,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:06,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2023-12-03 01:20:06,716 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2023-12-03 01:20:06,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:20:06,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:06,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:06,806 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 01:20:06,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:06,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2023-12-03 01:20:06,828 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2023-12-03 01:20:06,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:20:06,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:06,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:07,042 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 01:20:07,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:07,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2023-12-03 01:20:07,224 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2023-12-03 01:20:07,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:20:07,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:07,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:07,329 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 01:20:07,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:07,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2023-12-03 01:20:07,627 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2023-12-03 01:20:07,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:20:07,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:07,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:07,792 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 01:20:08,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:08,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2023-12-03 01:20:08,323 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2023-12-03 01:20:08,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:20:08,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:08,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:08,357 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 01:20:08,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:08,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2023-12-03 01:20:08,374 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2023-12-03 01:20:08,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:20:08,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:08,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:08,528 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 01:20:08,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:08,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2023-12-03 01:20:08,553 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2023-12-03 01:20:08,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:20:08,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:08,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:08,594 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 01:20:08,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:08,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2023-12-03 01:20:08,619 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2023-12-03 01:20:08,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:20:08,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:08,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:08,799 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 01:20:09,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:09,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2023-12-03 01:20:09,066 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2023-12-03 01:20:09,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:20:09,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:09,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:09,384 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 01:20:10,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:10,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 28 states and 30 transitions. [2023-12-03 01:20:10,727 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2023-12-03 01:20:10,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:20:10,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:10,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:10,767 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 01:20:10,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:10,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2023-12-03 01:20:10,787 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2023-12-03 01:20:10,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:20:10,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:10,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:10,859 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 01:20:11,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:11,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2023-12-03 01:20:11,191 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2023-12-03 01:20:11,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:20:11,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:11,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:11,625 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 01:20:13,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:13,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2023-12-03 01:20:13,438 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-12-03 01:20:13,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:20:13,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:13,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:20:13,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:20:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:20:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:20:13,572 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:20:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:20:13,624 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2023-12-03 01:20:13,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:20:13 ImpRootNode [2023-12-03 01:20:13,657 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:20:13,658 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:20:13,658 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:20:13,658 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:20:13,659 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:20:05" (3/4) ... [2023-12-03 01:20:13,662 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:20:13,663 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:20:13,665 INFO L158 Benchmark]: Toolchain (without parser) took 8786.15ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 117.5MB in the beginning and 101.2MB in the end (delta: 16.3MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2023-12-03 01:20:13,665 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:20:13,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.13ms. Allocated memory is still 161.5MB. Free memory was 116.9MB in the beginning and 120.7MB in the end (delta: -3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:20:13,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.50ms. Allocated memory is still 161.5MB. Free memory was 120.7MB in the beginning and 118.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:20:13,668 INFO L158 Benchmark]: Boogie Preprocessor took 33.82ms. Allocated memory is still 161.5MB. Free memory was 118.8MB in the beginning and 117.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:20:13,668 INFO L158 Benchmark]: RCFGBuilder took 488.71ms. Allocated memory is still 161.5MB. Free memory was 117.4MB in the beginning and 100.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 01:20:13,669 INFO L158 Benchmark]: CodeCheck took 7693.33ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 100.7MB in the beginning and 102.2MB in the end (delta: -1.5MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2023-12-03 01:20:13,670 INFO L158 Benchmark]: Witness Printer took 5.46ms. Allocated memory is still 195.0MB. Free memory was 102.2MB in the beginning and 101.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:20:13,674 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, 35 locations, 19 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 350 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1005 IncrementalHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 350 mSolverCounterUnsat, 34 mSDtfsCounter, 1005 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 577 GetRequests, 458 SyntacticMatches, 7 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5193 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 337 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 543]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 543. Possible FailurePath: [L544] TData data; [L545] CALL alloc_data(&data) [L529] pdata->lo = malloc(16) [L530] pdata->hi = malloc(24) [L545] RET alloc_data(&data) [L546] CALL free_data(&data) [L534] EXPR data->lo [L534] void *lo = data->lo; [L535] EXPR data->hi [L535] void *hi = data->hi; [L536] COND FALSE !(lo == hi) VAL [data={26711:0}, data={26711:0}, hi={26709:0}, lo={26708:0}] [L540] data->lo = (void *) 0 VAL [data={26711:0}, data={26711:0}, hi={26709:0}, lo={26708:0}] [L541] data->hi = (void *) 0 [L546] RET free_data(&data) [L547] return 0; [L547] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.13ms. Allocated memory is still 161.5MB. Free memory was 116.9MB in the beginning and 120.7MB in the end (delta: -3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.50ms. Allocated memory is still 161.5MB. Free memory was 120.7MB in the beginning and 118.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.82ms. Allocated memory is still 161.5MB. Free memory was 118.8MB in the beginning and 117.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.71ms. Allocated memory is still 161.5MB. Free memory was 117.4MB in the beginning and 100.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 7693.33ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 100.7MB in the beginning and 102.2MB in the end (delta: -1.5MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * Witness Printer took 5.46ms. Allocated memory is still 195.0MB. Free memory was 102.2MB in the beginning and 101.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:20:13,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/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_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0019-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/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_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/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 40afad058466dec508429aba14a695fa830becbd8e90e3307f02f796ff077dad --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:20:16,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:20:16,229 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-03 01:20:16,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:20:16,272 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:20:16,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:20:16,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:20:16,274 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:20:16,275 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:20:16,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:20:16,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:20:16,277 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 01:20:16,277 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 01:20:16,278 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 01:20:16,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:20:16,280 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:20:16,280 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:20:16,281 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:20:16,282 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:20:16,282 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:20:16,283 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:20:16,284 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:20:16,285 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:20:16,285 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:20:16,286 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:16,287 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:20:16,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:20:16,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:20:16,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:20:16,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:20:16,290 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:20:16,290 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:16,291 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:20:16,291 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:20:16,291 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_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40afad058466dec508429aba14a695fa830becbd8e90e3307f02f796ff077dad [2023-12-03 01:20:16,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:20:16,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:20:16,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:20:16,735 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:20:16,736 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:20:16,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/memsafety/test-0019-2.i [2023-12-03 01:20:20,242 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:20:20,537 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:20:20,538 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/sv-benchmarks/c/memsafety/test-0019-2.i [2023-12-03 01:20:20,556 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/data/c961d8934/f64de1e25cf742f58ec2a8430e54a4aa/FLAG19492d80c [2023-12-03 01:20:20,571 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/data/c961d8934/f64de1e25cf742f58ec2a8430e54a4aa [2023-12-03 01:20:20,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:20:20,575 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:20:20,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:20:20,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:20:20,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:20:20,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:20:20" (1/1) ... [2023-12-03 01:20:20,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cef6ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:20, skipping insertion in model container [2023-12-03 01:20:20,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:20:20" (1/1) ... [2023-12-03 01:20:20,640 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:20:20,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:20:20,977 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:20:21,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:20:21,062 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:20:21,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:21 WrapperNode [2023-12-03 01:20:21,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:20:21,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:20:21,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:20:21,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:20:21,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:21" (1/1) ... [2023-12-03 01:20:21,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:21" (1/1) ... [2023-12-03 01:20:21,116 INFO L138 Inliner]: procedures = 126, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-12-03 01:20:21,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:20:21,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:20:21,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:20:21,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:20:21,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:21" (1/1) ... [2023-12-03 01:20:21,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:21" (1/1) ... [2023-12-03 01:20:21,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:21" (1/1) ... [2023-12-03 01:20:21,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:21" (1/1) ... [2023-12-03 01:20:21,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:21" (1/1) ... [2023-12-03 01:20:21,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:21" (1/1) ... [2023-12-03 01:20:21,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:21" (1/1) ... [2023-12-03 01:20:21,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:21" (1/1) ... [2023-12-03 01:20:21,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:20:21,157 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:20:21,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:20:21,158 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:20:21,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:21" (1/1) ... [2023-12-03 01:20:21,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:20:21,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:20:21,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:20:21,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:20:21,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:20:21,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:20:21,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:20:21,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:20:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:20:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:20:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:20:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:20:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:20:21,395 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:20:21,398 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:20:21,756 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:20:21,837 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:20:21,838 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:20:21,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:20:21 BoogieIcfgContainer [2023-12-03 01:20:21,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:20:21,841 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:20:21,842 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:20:21,854 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:20:21,855 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:20:21" (1/1) ... [2023-12-03 01:20:21,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:20:21,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:21,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2023-12-03 01:20:21,936 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2023-12-03 01:20:21,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 01:20:21,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:21,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:21,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:21,942 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:21,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:20:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:22,054 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:22,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:20:22,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:22,204 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2023-12-03 01:20:22,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2023-12-03 01:20:22,224 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 01:20:22,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:20:22,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:22,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2023-12-03 01:20:22,290 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2023-12-03 01:20:22,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 01:20:22,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:22,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:22,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:22,292 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:22,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:20:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:22,392 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:22,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:20:22,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:22,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:20:22,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2023-12-03 01:20:22,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-12-03 01:20:22,486 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 01:20:22,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:20:22,489 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:20:22,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:22,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2023-12-03 01:20:22,647 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2023-12-03 01:20:22,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:20:22,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:22,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:22,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:22,649 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:22,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:20:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:22,774 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:22,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:20:22,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:22,846 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-12-03 01:20:22,847 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 01:20:22,854 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 01:20:22,857 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:20:22,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 01:20:22,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:22,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2023-12-03 01:20:22,906 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2023-12-03 01:20:22,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:20:22,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:22,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:22,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:22,907 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:22,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:20:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:23,026 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:23,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 01:20:23,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:23,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:20:23,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2023-12-03 01:20:23,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-12-03 01:20:23,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:20:23,146 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 01:20:23,167 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-03 01:20:23,167 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 01:20:23,172 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 01:20:23,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-03 01:20:23,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:23,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2023-12-03 01:20:23,243 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2023-12-03 01:20:23,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:20:23,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:23,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:23,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:23,245 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:23,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 01:20:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:23,383 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:23,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:20:23,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:23,479 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 01:20:23,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 01:20:23,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:23,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2023-12-03 01:20:23,846 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2023-12-03 01:20:23,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:20:23,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:23,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:23,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:23,849 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:23,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 01:20:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:23,997 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:24,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:20:24,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:24,183 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 01:20:24,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-03 01:20:24,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:24,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2023-12-03 01:20:24,831 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2023-12-03 01:20:24,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:20:24,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:24,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:24,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:24,833 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:24,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 01:20:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:24,929 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:24,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:20:24,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:24,969 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 01:20:24,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 01:20:24,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:24,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2023-12-03 01:20:24,999 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2023-12-03 01:20:24,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:20:25,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:25,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:25,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:25,001 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:25,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 01:20:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:25,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:25,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:20:25,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:25,268 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 01:20:25,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-03 01:20:25,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:25,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2023-12-03 01:20:25,314 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2023-12-03 01:20:25,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:20:25,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:25,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:25,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:25,316 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:25,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 01:20:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:25,453 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:25,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:20:25,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:25,512 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 01:20:25,514 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:20:25,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 01:20:25,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:25,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2023-12-03 01:20:25,557 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2023-12-03 01:20:25,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:20:25,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:25,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:25,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:25,558 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:25,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 01:20:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:25,718 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:25,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:20:25,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:25,944 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 01:20:25,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-03 01:20:26,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:26,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2023-12-03 01:20:26,571 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2023-12-03 01:20:26,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:20:26,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:26,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:26,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:26,573 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:26,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 01:20:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:26,727 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:26,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 01:20:26,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:26,901 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 01:20:27,107 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 01:20:27,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 01:20:28,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:28,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2023-12-03 01:20:28,760 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2023-12-03 01:20:28,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:20:28,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:28,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:28,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:28,762 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:28,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 01:20:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:28,876 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:28,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:20:28,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:28,922 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 01:20:28,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 01:20:28,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:28,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2023-12-03 01:20:28,965 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2023-12-03 01:20:28,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:20:28,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:28,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:28,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:28,967 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:28,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 01:20:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:29,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:29,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:20:29,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:29,466 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 01:20:29,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 01:20:33,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:33,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2023-12-03 01:20:33,161 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2023-12-03 01:20:33,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:20:33,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:33,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:33,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:33,163 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:33,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 01:20:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:33,294 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:33,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 01:20:33,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:33,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 01:20:33,376 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 01:20:33,575 INFO L349 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2023-12-03 01:20:33,576 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 17 treesize of output 17 [2023-12-03 01:20:33,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:20:33,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2023-12-03 01:20:34,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:20:34,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2023-12-03 01:20:34,231 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 01:20:34,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 01:20:38,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:38,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2023-12-03 01:20:38,470 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2023-12-03 01:20:38,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:20:38,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:38,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:38,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:38,472 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:38,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 01:20:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:20:38,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:20:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:20:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:20:38,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:20:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:20:39,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 01:20:39,218 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2023-12-03 01:20:39,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:20:39 ImpRootNode [2023-12-03 01:20:39,240 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:20:39,241 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:20:39,241 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:20:39,241 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:20:39,241 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:20:21" (3/4) ... [2023-12-03 01:20:39,243 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:20:39,244 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:20:39,245 INFO L158 Benchmark]: Toolchain (without parser) took 18669.65ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 88.7MB in the beginning and 101.6MB in the end (delta: -12.9MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-12-03 01:20:39,246 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:20:39,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.15ms. Allocated memory is still 113.2MB. Free memory was 88.5MB in the beginning and 71.0MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 01:20:39,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.31ms. Allocated memory is still 113.2MB. Free memory was 71.0MB in the beginning and 68.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:20:39,247 INFO L158 Benchmark]: Boogie Preprocessor took 38.61ms. Allocated memory is still 113.2MB. Free memory was 68.9MB in the beginning and 67.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:20:39,248 INFO L158 Benchmark]: RCFGBuilder took 683.18ms. Allocated memory is still 113.2MB. Free memory was 67.2MB in the beginning and 83.6MB in the end (delta: -16.4MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-12-03 01:20:39,248 INFO L158 Benchmark]: CodeCheck took 17398.77ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 82.9MB in the beginning and 102.3MB in the end (delta: -19.4MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-12-03 01:20:39,249 INFO L158 Benchmark]: Witness Printer took 3.67ms. Allocated memory is still 136.3MB. Free memory was 102.3MB in the beginning and 101.6MB in the end (delta: 761.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:20:39,252 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, 35 locations, 19 error locations. Started 1 CEGAR loops. OverallTime: 17.3s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 5.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 363 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 922 IncrementalHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 363 mSolverCounterUnsat, 36 mSDtfsCounter, 922 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 572 GetRequests, 468 SyntacticMatches, 6 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3152 ImplicationChecksByTransitivity, 12.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 409 SizeOfPredicates, 49 NumberOfNonLiveVariables, 975 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 543]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 543. Possible FailurePath: [L544] TData data; [L545] CALL alloc_data(&data) [L529] pdata->lo = malloc(16) [L530] pdata->hi = malloc(24) [L545] RET alloc_data(&data) [L546] CALL free_data(&data) [L534] EXPR data->lo [L534] void *lo = data->lo; [L535] EXPR data->hi [L535] void *hi = data->hi; [L536] COND FALSE !(lo == hi) VAL [data={-2147482527:0}, data={-2147482527:0}, hi={16:0}, lo={-2147482545:0}] [L540] data->lo = (void *) 0 VAL [data={-2147482527:0}, data={-2147482527:0}, hi={16:0}, lo={-2147482545:0}] [L541] data->hi = (void *) 0 [L546] RET free_data(&data) [L547] return 0; [L547] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 486.15ms. Allocated memory is still 113.2MB. Free memory was 88.5MB in the beginning and 71.0MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.31ms. Allocated memory is still 113.2MB. Free memory was 71.0MB in the beginning and 68.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.61ms. Allocated memory is still 113.2MB. Free memory was 68.9MB in the beginning and 67.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 683.18ms. Allocated memory is still 113.2MB. Free memory was 67.2MB in the beginning and 83.6MB in the end (delta: -16.4MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * CodeCheck took 17398.77ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 82.9MB in the beginning and 102.3MB in the end (delta: -19.4MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Witness Printer took 3.67ms. Allocated memory is still 136.3MB. Free memory was 102.3MB in the beginning and 101.6MB in the end (delta: 761.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:20:39,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfb9bae-cde1-4aaf-84e8-c52d5349fb5d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample