./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/sll-sorted-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version cf1a7837 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_9f942c7d-9ba2-4fbf-bc15-2cf756bc1cdb/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f942c7d-9ba2-4fbf-bc15-2cf756bc1cdb/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f942c7d-9ba2-4fbf-bc15-2cf756bc1cdb/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f942c7d-9ba2-4fbf-bc15-2cf756bc1cdb/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-sorted-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f942c7d-9ba2-4fbf-bc15-2cf756bc1cdb/bin/ukojak-verify-0OAaufAVZV/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f942c7d-9ba2-4fbf-bc15-2cf756bc1cdb/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e45b14428dafe2f20aeac8c38d2592befc15b6791b0365935474ded4fd47d0f2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:01:12,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:01:12,290 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f942c7d-9ba2-4fbf-bc15-2cf756bc1cdb/bin/ukojak-verify-0OAaufAVZV/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-12 00:01:12,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:01:12,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:01:12,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:01:12,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:01:12,342 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:01:12,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:01:12,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:01:12,349 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:01:12,350 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:01:12,350 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:01:12,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:01:12,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:01:12,352 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:01:12,353 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:01:12,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:01:12,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:01:12,354 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:01:12,355 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:01:12,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:01:12,356 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:01:12,356 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:01:12,357 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:01:12,359 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:01:12,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:12,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:01:12,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:01:12,360 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:01:12,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:01:12,362 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_9f942c7d-9ba2-4fbf-bc15-2cf756bc1cdb/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f942c7d-9ba2-4fbf-bc15-2cf756bc1cdb/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e45b14428dafe2f20aeac8c38d2592befc15b6791b0365935474ded4fd47d0f2 [2023-11-12 00:01:12,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:01:12,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:01:12,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:01:12,703 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:01:12,704 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:01:12,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f942c7d-9ba2-4fbf-bc15-2cf756bc1cdb/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/forester-heap/sll-sorted-1.i [2023-11-12 00:01:15,745 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:01:16,038 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:01:16,045 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f942c7d-9ba2-4fbf-bc15-2cf756bc1cdb/sv-benchmarks/c/forester-heap/sll-sorted-1.i [2023-11-12 00:01:16,065 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f942c7d-9ba2-4fbf-bc15-2cf756bc1cdb/bin/ukojak-verify-0OAaufAVZV/data/8b12dae6a/2b2f082a1d864191bb18249a5a554f48/FLAG15daefcbc [2023-11-12 00:01:16,084 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f942c7d-9ba2-4fbf-bc15-2cf756bc1cdb/bin/ukojak-verify-0OAaufAVZV/data/8b12dae6a/2b2f082a1d864191bb18249a5a554f48 [2023-11-12 00:01:16,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:01:16,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:01:16,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:16,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:01:16,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:01:16,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:16" (1/1) ... [2023-11-12 00:01:16,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f89930f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:16, skipping insertion in model container [2023-11-12 00:01:16,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:16" (1/1) ... [2023-11-12 00:01:16,166 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:01:16,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:16,611 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:01:16,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:16,702 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:01:16,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:16 WrapperNode [2023-11-12 00:01:16,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:16,704 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:16,704 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:01:16,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:01:16,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:16" (1/1) ... [2023-11-12 00:01:16,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:16" (1/1) ... [2023-11-12 00:01:16,764 INFO L138 Inliner]: procedures = 119, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2023-11-12 00:01:16,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:16,765 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:01:16,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:01:16,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:01:16,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:16" (1/1) ... [2023-11-12 00:01:16,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:16" (1/1) ... [2023-11-12 00:01:16,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:16" (1/1) ... [2023-11-12 00:01:16,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:16" (1/1) ... [2023-11-12 00:01:16,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:16" (1/1) ... [2023-11-12 00:01:16,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:16" (1/1) ... [2023-11-12 00:01:16,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:16" (1/1) ... [2023-11-12 00:01:16,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:16" (1/1) ... [2023-11-12 00:01:16,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:01:16,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:01:16,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:01:16,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:01:16,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:16" (1/1) ... [2023-11-12 00:01:16,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:16,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f942c7d-9ba2-4fbf-bc15-2cf756bc1cdb/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:01:16,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f942c7d-9ba2-4fbf-bc15-2cf756bc1cdb/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:01:16,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f942c7d-9ba2-4fbf-bc15-2cf756bc1cdb/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:01:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:01:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:01:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:01:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:01:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:01:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:01:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:01:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:01:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:01:16,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:01:17,026 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:01:17,029 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:01:17,469 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:01:17,598 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:01:17,599 INFO L302 CfgBuilder]: Removed 18 assume(true) statements. [2023-11-12 00:01:17,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:17 BoogieIcfgContainer [2023-11-12 00:01:17,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:01:17,603 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:01:17,604 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:01:17,614 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:01:17,615 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:17" (1/1) ... [2023-11-12 00:01:17,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:01:17,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:17,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 58 states and 91 transitions. [2023-11-12 00:01:17,708 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 91 transitions. [2023-11-12 00:01:17,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:01:17,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:17,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:17,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:17,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:17,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 85 transitions. [2023-11-12 00:01:17,918 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2023-11-12 00:01:17,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:01:17,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:17,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:18,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:18,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:18,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2023-11-12 00:01:18,157 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2023-11-12 00:01:18,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:01:18,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:18,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:18,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:01:18,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:18,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 56 states and 85 transitions. [2023-11-12 00:01:18,705 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2023-11-12 00:01:18,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:01:18,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:18,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:18,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:01:18,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:18,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 56 states and 81 transitions. [2023-11-12 00:01:18,896 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2023-11-12 00:01:18,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:01:18,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:18,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:19,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:20,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:20,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 69 states and 103 transitions. [2023-11-12 00:01:20,916 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2023-11-12 00:01:20,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:01:20,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:20,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:23,097 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:25,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:25,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 79 states and 127 transitions. [2023-11-12 00:01:25,620 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 127 transitions. [2023-11-12 00:01:25,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:01:25,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:25,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:27,252 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:28,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:28,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 82 states and 135 transitions. [2023-11-12 00:01:28,142 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 135 transitions. [2023-11-12 00:01:28,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:01:28,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:28,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:01:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:28,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 90 states and 154 transitions. [2023-11-12 00:01:28,768 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 154 transitions. [2023-11-12 00:01:28,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:01:28,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:28,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:29,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:31,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:31,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 95 states and 160 transitions. [2023-11-12 00:01:31,096 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 160 transitions. [2023-11-12 00:01:31,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:01:31,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:31,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:32,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:36,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:36,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 109 states and 184 transitions. [2023-11-12 00:01:36,715 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 184 transitions. [2023-11-12 00:01:36,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:01:36,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:36,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:39,100 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:44,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:44,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 119 states and 204 transitions. [2023-11-12 00:01:44,505 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 204 transitions. [2023-11-12 00:01:44,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:01:44,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:44,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:47,190 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:49,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:49,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 121 states and 212 transitions. [2023-11-12 00:01:49,428 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 212 transitions. [2023-11-12 00:01:49,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:01:49,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:49,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:51,491 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:53,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:53,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 123 states and 217 transitions. [2023-11-12 00:01:53,255 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 217 transitions. [2023-11-12 00:01:53,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:01:53,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:53,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:53,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:01:53,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:53,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 122 states and 210 transitions. [2023-11-12 00:01:53,331 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 210 transitions. [2023-11-12 00:01:53,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:01:53,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:53,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:54,714 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:58,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:58,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 130 states and 229 transitions. [2023-11-12 00:01:58,522 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 229 transitions. [2023-11-12 00:01:58,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:01:58,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:58,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:59,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:00,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:00,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 132 states and 231 transitions. [2023-11-12 00:02:00,975 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 231 transitions. [2023-11-12 00:02:00,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:02:00,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:00,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:02,050 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.