./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0158_1-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa40f2b9-b927-43c5-97f9-3ff127066e9a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa40f2b9-b927-43c5-97f9-3ff127066e9a/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_fa40f2b9-b927-43c5-97f9-3ff127066e9a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa40f2b9-b927-43c5-97f9-3ff127066e9a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0158_1-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa40f2b9-b927-43c5-97f9-3ff127066e9a/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_fa40f2b9-b927-43c5-97f9-3ff127066e9a/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 da0196598caa8f7971f5c05318e98ec0e7e9ad277348cd08159b1fad4465fe6c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:32:23,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:32:23,208 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa40f2b9-b927-43c5-97f9-3ff127066e9a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-02 21:32:23,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:32:23,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:32:23,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:32:23,234 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:32:23,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:32:23,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:32:23,236 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:32:23,237 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:32:23,237 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:32:23,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:32:23,238 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 21:32:23,239 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 21:32:23,239 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 21:32:23,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:32:23,240 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:32:23,241 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:32:23,241 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:32:23,242 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:32:23,242 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:32:23,243 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:32:23,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:32:23,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:32:23,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:32:23,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:32:23,245 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:32:23,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:32:23,245 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_fa40f2b9-b927-43c5-97f9-3ff127066e9a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa40f2b9-b927-43c5-97f9-3ff127066e9a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da0196598caa8f7971f5c05318e98ec0e7e9ad277348cd08159b1fad4465fe6c [2023-12-02 21:32:23,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:32:23,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:32:23,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:32:23,461 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:32:23,461 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:32:23,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa40f2b9-b927-43c5-97f9-3ff127066e9a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/list-ext-properties/test-0158_1-3.i [2023-12-02 21:32:26,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:32:26,332 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:32:26,332 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa40f2b9-b927-43c5-97f9-3ff127066e9a/sv-benchmarks/c/list-ext-properties/test-0158_1-3.i [2023-12-02 21:32:26,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa40f2b9-b927-43c5-97f9-3ff127066e9a/bin/ukojak-verify-Qdu7aM0XO9/data/ca10e658a/43479e98ab804694bd51f55ad8bc4ff9/FLAG47350f395 [2023-12-02 21:32:26,357 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa40f2b9-b927-43c5-97f9-3ff127066e9a/bin/ukojak-verify-Qdu7aM0XO9/data/ca10e658a/43479e98ab804694bd51f55ad8bc4ff9 [2023-12-02 21:32:26,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:32:26,360 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:32:26,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:32:26,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:32:26,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:32:26,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:32:26" (1/1) ... [2023-12-02 21:32:26,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15fb8778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:26, skipping insertion in model container [2023-12-02 21:32:26,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:32:26" (1/1) ... [2023-12-02 21:32:26,407 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:32:26,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:32:26,642 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:32:26,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:32:26,701 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:32:26,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:26 WrapperNode [2023-12-02 21:32:26,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:32:26,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:32:26,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:32:26,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:32:26,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:26" (1/1) ... [2023-12-02 21:32:26,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:26" (1/1) ... [2023-12-02 21:32:26,738 INFO L138 Inliner]: procedures = 124, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-12-02 21:32:26,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:32:26,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:32:26,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:32:26,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:32:26,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:26" (1/1) ... [2023-12-02 21:32:26,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:26" (1/1) ... [2023-12-02 21:32:26,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:26" (1/1) ... [2023-12-02 21:32:26,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:26" (1/1) ... [2023-12-02 21:32:26,755 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:26" (1/1) ... [2023-12-02 21:32:26,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:26" (1/1) ... [2023-12-02 21:32:26,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:26" (1/1) ... [2023-12-02 21:32:26,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:26" (1/1) ... [2023-12-02 21:32:26,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:32:26,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:32:26,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:32:26,764 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:32:26,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:26" (1/1) ... [2023-12-02 21:32:26,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:32:26,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa40f2b9-b927-43c5-97f9-3ff127066e9a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:32:26,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa40f2b9-b927-43c5-97f9-3ff127066e9a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:32:26,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa40f2b9-b927-43c5-97f9-3ff127066e9a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:32:26,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:32:26,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:32:26,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 21:32:26,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:32:26,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 21:32:26,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:32:26,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 21:32:26,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:32:26,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:32:26,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:32:26,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:32:26,920 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:32:26,921 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:32:27,079 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:32:27,125 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:32:27,126 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:32:27,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:32:27 BoogieIcfgContainer [2023-12-02 21:32:27,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:32:27,128 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:32:27,128 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:32:27,136 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:32:27,136 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:32:27" (1/1) ... [2023-12-02 21:32:27,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:32:27,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:27,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2023-12-02 21:32:27,197 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2023-12-02 21:32:27,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 21:32:27,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:27,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:27,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:27,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:27,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 38 states and 39 transitions. [2023-12-02 21:32:27,437 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2023-12-02 21:32:27,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 21:32:27,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:27,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:27,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:27,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:27,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2023-12-02 21:32:27,650 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2023-12-02 21:32:27,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:32:27,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:27,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:27,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:27,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:27,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 36 states and 37 transitions. [2023-12-02 21:32:27,699 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2023-12-02 21:32:27,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:32:27,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:27,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:27,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:27,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:27,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2023-12-02 21:32:27,871 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2023-12-02 21:32:27,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 21:32:27,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:27,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:27,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:27,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:27,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 34 states and 35 transitions. [2023-12-02 21:32:27,919 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2023-12-02 21:32:27,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 21:32:27,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:27,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:28,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:28,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:28,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2023-12-02 21:32:28,373 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2023-12-02 21:32:28,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 21:32:28,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:28,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:28,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:28,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:28,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2023-12-02 21:32:28,504 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2023-12-02 21:32:28,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 21:32:28,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:28,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:28,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:28,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:28,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2023-12-02 21:32:28,565 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2023-12-02 21:32:28,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:32:28,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:28,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:28,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:28,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:28,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2023-12-02 21:32:28,607 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2023-12-02 21:32:28,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:32:28,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:28,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:28,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:28,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:28,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2023-12-02 21:32:28,658 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2023-12-02 21:32:28,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:32:28,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:28,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:28,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:28,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:28,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2023-12-02 21:32:28,700 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2023-12-02 21:32:28,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:32:28,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:28,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:28,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:28,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:28,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2023-12-02 21:32:28,757 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2023-12-02 21:32:28,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:32:28,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:28,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:28,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:29,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:29,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 31 states and 33 transitions. [2023-12-02 21:32:29,119 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2023-12-02 21:32:29,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:32:29,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:29,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:29,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:29,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:29,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2023-12-02 21:32:29,155 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2023-12-02 21:32:29,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:32:29,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:29,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:29,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:29,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:29,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2023-12-02 21:32:29,210 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2023-12-02 21:32:29,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:32:29,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:29,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:29,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:30,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:30,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2023-12-02 21:32:30,264 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2023-12-02 21:32:30,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:32:30,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:30,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:30,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:30,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:30,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2023-12-02 21:32:30,832 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2023-12-02 21:32:30,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:32:30,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:30,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:31,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:32,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:32,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2023-12-02 21:32:32,691 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2023-12-02 21:32:32,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:32:32,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:32,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:32,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:33,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:33,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2023-12-02 21:32:33,427 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2023-12-02 21:32:33,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:32:33,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:33,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:33,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:35,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:35,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2023-12-02 21:32:35,891 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2023-12-02 21:32:35,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:32:35,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:35,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:35,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:36,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:36,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2023-12-02 21:32:36,972 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2023-12-02 21:32:36,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:32:36,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:36,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:37,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:39,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:39,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2023-12-02 21:32:39,633 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2023-12-02 21:32:39,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:32:39,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:39,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:39,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:40,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:40,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2023-12-02 21:32:40,909 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2023-12-02 21:32:40,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:32:40,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:40,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:41,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:44,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:44,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2023-12-02 21:32:44,437 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2023-12-02 21:32:44,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:32:44,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:44,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:44,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:45,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:45,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2023-12-02 21:32:45,804 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2023-12-02 21:32:45,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:32:45,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:45,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:32:45,818 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:32:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:32:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:32:45,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:32:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:32:45,891 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations. [2023-12-02 21:32:45,913 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-12-02 21:32:45,914 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem7 [2023-12-02 21:32:45,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem7 [2023-12-02 21:32:45,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem7 [2023-12-02 21:32:45,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:32:45 ImpRootNode [2023-12-02 21:32:45,919 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:32:45,920 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:32:45,920 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:32:45,920 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:32:45,921 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:32:27" (3/4) ... [2023-12-02 21:32:45,922 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-02 21:32:45,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-12-02 21:32:45,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem7 [2023-12-02 21:32:45,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem7 [2023-12-02 21:32:45,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem7 [2023-12-02 21:32:45,955 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa40f2b9-b927-43c5-97f9-3ff127066e9a/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 21:32:45,955 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:32:45,956 INFO L158 Benchmark]: Toolchain (without parser) took 19594.97ms. Allocated memory was 138.4MB in the beginning and 205.5MB in the end (delta: 67.1MB). Free memory was 98.6MB in the beginning and 124.4MB in the end (delta: -25.7MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2023-12-02 21:32:45,956 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 138.4MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:32:45,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.58ms. Allocated memory is still 138.4MB. Free memory was 98.2MB in the beginning and 81.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:32:45,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.85ms. Allocated memory is still 138.4MB. Free memory was 81.4MB in the beginning and 79.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:32:45,958 INFO L158 Benchmark]: Boogie Preprocessor took 23.45ms. Allocated memory is still 138.4MB. Free memory was 79.8MB in the beginning and 78.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:32:45,958 INFO L158 Benchmark]: RCFGBuilder took 364.26ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 78.4MB in the beginning and 138.5MB in the end (delta: -60.1MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2023-12-02 21:32:45,959 INFO L158 Benchmark]: CodeCheck took 18791.23ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 138.5MB in the beginning and 126.5MB in the end (delta: 12.0MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2023-12-02 21:32:45,960 INFO L158 Benchmark]: Witness Printer took 34.96ms. Allocated memory is still 205.5MB. Free memory was 125.4MB in the beginning and 124.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:32:45,963 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, 39 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 18.7s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1222 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1102 mSDsluCounter, 890 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 652 mSDsCounter, 940 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3336 IncrementalHoareTripleChecker+Invalid, 4276 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 940 mSolverCounterUnsat, 238 mSDtfsCounter, 3336 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1589 GetRequests, 1309 SyntacticMatches, 20 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27543 ImplicationChecksByTransitivity, 16.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 945 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 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 - CounterExampleResult [Line: 545]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L526-L533] union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L534] data.p0 = malloc(37U) [L535] EXPR data.p0 [L535] void *ptr = data.p0; [L536] COND FALSE !(__VERIFIER_nondet_int()) [L539] data.str.p2 = 30 VAL [data={24367:0}, ptr={-1:0}] [L541] EXPR data.str.p2 VAL [data={24367:0}, ptr={-1:0}] [L541] COND FALSE !(25 > data.str.p2) [L544] EXPR data.p0 VAL [data={24367:0}, ptr={-1:0}] [L544] free(data.p0) VAL [data={24367:0}, ptr={-1:0}] [L544] free(data.p0) VAL [data={24367:0}, ptr={-1:0}] [L544] free(data.p0) [L545] free(ptr) VAL [data={24367:0}, ptr={-1:0}] [L545] free(ptr) VAL [data={24367:0}, ptr={-1:0}] [L545] free(ptr) VAL [data={24367:0}, ptr={-1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 138.4MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.58ms. Allocated memory is still 138.4MB. Free memory was 98.2MB in the beginning and 81.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.85ms. Allocated memory is still 138.4MB. Free memory was 81.4MB in the beginning and 79.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.45ms. Allocated memory is still 138.4MB. Free memory was 79.8MB in the beginning and 78.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.26ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 78.4MB in the beginning and 138.5MB in the end (delta: -60.1MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * CodeCheck took 18791.23ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 138.5MB in the beginning and 126.5MB in the end (delta: 12.0MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Witness Printer took 34.96ms. Allocated memory is still 205.5MB. Free memory was 125.4MB in the beginning and 124.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem7 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem7 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-12-02 21:32:45,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa40f2b9-b927-43c5-97f9-3ff127066e9a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free)