./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.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_f1423149-42b9-4edb-b7d1-f8db0b48f045/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1423149-42b9-4edb-b7d1-f8db0b48f045/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1423149-42b9-4edb-b7d1-f8db0b48f045/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1423149-42b9-4edb-b7d1-f8db0b48f045/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1423149-42b9-4edb-b7d1-f8db0b48f045/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1423149-42b9-4edb-b7d1-f8db0b48f045/bin/ukojak-verify-afCqCEvfdi --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 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:57:16,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:57:17,104 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1423149-42b9-4edb-b7d1-f8db0b48f045/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:57:17,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:57:17,119 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:57:17,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:57:17,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:57:17,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:57:17,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:57:17,175 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:57:17,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:57:17,177 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:57:17,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:57:17,180 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:57:17,181 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:57:17,182 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:57:17,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:57:17,183 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:57:17,183 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:57:17,184 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:57:17,184 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:57:17,185 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:57:17,186 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:57:17,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:57:17,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:17,188 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:57:17,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:57:17,189 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:57:17,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:57:17,190 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_f1423149-42b9-4edb-b7d1-f8db0b48f045/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1423149-42b9-4edb-b7d1-f8db0b48f045/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f [2023-11-24 22:57:17,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:57:17,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:57:17,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:57:17,584 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:57:17,585 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:57:17,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1423149-42b9-4edb-b7d1-f8db0b48f045/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2023-11-24 22:57:21,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:57:21,552 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:57:21,553 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1423149-42b9-4edb-b7d1-f8db0b48f045/sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2023-11-24 22:57:21,570 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1423149-42b9-4edb-b7d1-f8db0b48f045/bin/ukojak-verify-afCqCEvfdi/data/cf6875943/f573599aecd447ab8e9c4f1ea31161d8/FLAG8a62b34b8 [2023-11-24 22:57:21,585 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1423149-42b9-4edb-b7d1-f8db0b48f045/bin/ukojak-verify-afCqCEvfdi/data/cf6875943/f573599aecd447ab8e9c4f1ea31161d8 [2023-11-24 22:57:21,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:57:21,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:57:21,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:21,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:57:21,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:57:21,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:21" (1/1) ... [2023-11-24 22:57:21,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52980134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:21, skipping insertion in model container [2023-11-24 22:57:21,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:21" (1/1) ... [2023-11-24 22:57:21,682 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:57:22,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:22,242 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:57:22,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:22,421 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:22,430 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:57:22,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22 WrapperNode [2023-11-24 22:57:22,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:22,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:22,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:57:22,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:57:22,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:22,488 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:22,527 INFO L138 Inliner]: procedures = 164, calls = 73, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 76 [2023-11-24 22:57:22,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:22,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:57:22,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:57:22,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:57:22,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:22,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:22,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:22,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:22,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:22,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:22,581 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:22,597 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:22,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:57:22,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:57:22,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:57:22,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:57:22,603 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:22,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:22,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1423149-42b9-4edb-b7d1-f8db0b48f045/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:57:22,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1423149-42b9-4edb-b7d1-f8db0b48f045/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:57:22,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1423149-42b9-4edb-b7d1-f8db0b48f045/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:57:22,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:57:22,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:57:22,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:57:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:57:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:57:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:57:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:57:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:57:22,838 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:57:22,841 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:57:23,056 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:57:23,158 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:57:23,164 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:57:23,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:23 BoogieIcfgContainer [2023-11-24 22:57:23,166 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:57:23,167 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:57:23,167 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:57:23,178 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:57:23,178 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:23" (1/1) ... [2023-11-24 22:57:23,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:57:23,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:23,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-24 22:57:23,245 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-24 22:57:23,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:57:23,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:23,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:23,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:23,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:23,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2023-11-24 22:57:23,643 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2023-11-24 22:57:23,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:57:23,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:23,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:24,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:24,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2023-11-24 22:57:24,020 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2023-11-24 22:57:24,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:57:24,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:24,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:24,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:24,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:24,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2023-11-24 22:57:24,926 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2023-11-24 22:57:24,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:57:24,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:24,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:25,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:26,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:26,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2023-11-24 22:57:26,848 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2023-11-24 22:57:26,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:57:26,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:26,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:26,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:27,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:27,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2023-11-24 22:57:27,074 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-11-24 22:57:27,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:57:27,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:27,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:27,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:27,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:27,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2023-11-24 22:57:27,359 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2023-11-24 22:57:27,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:57:27,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:27,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:29,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:29,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 42 states and 57 transitions. [2023-11-24 22:57:29,211 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2023-11-24 22:57:29,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:57:29,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:29,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:29,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:30,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:30,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 66 transitions. [2023-11-24 22:57:30,201 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2023-11-24 22:57:30,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:57:30,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:30,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:30,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:32,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:32,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 74 transitions. [2023-11-24 22:57:32,110 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2023-11-24 22:57:32,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:57:32,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:32,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:32,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:32,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:32,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 73 transitions. [2023-11-24 22:57:32,515 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2023-11-24 22:57:32,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:57:32,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:32,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:37,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:37,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 54 states and 85 transitions. [2023-11-24 22:57:37,181 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 85 transitions. [2023-11-24 22:57:37,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:57:37,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:37,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:37,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:57:37,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:37,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 55 states and 88 transitions. [2023-11-24 22:57:37,618 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2023-11-24 22:57:37,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:57:37,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:37,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:37,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:38,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:38,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 58 states and 95 transitions. [2023-11-24 22:57:38,414 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 95 transitions. [2023-11-24 22:57:38,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:57:38,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:38,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:38,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:40,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:40,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 61 states and 104 transitions. [2023-11-24 22:57:40,435 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2023-11-24 22:57:40,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:57:40,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:40,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:41,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:44,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:44,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 66 states and 114 transitions. [2023-11-24 22:57:44,630 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 114 transitions. [2023-11-24 22:57:44,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:57:44,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:44,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:44,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:45,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:45,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 67 states and 116 transitions. [2023-11-24 22:57:45,391 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 116 transitions. [2023-11-24 22:57:45,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:57:45,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:45,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:46,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:49,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:49,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 73 states and 127 transitions. [2023-11-24 22:57:49,592 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 127 transitions. [2023-11-24 22:57:49,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:57:49,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:49,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:49,754 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:51,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:51,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 76 states and 143 transitions. [2023-11-24 22:57:51,029 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 143 transitions. [2023-11-24 22:57:51,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:57:51,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:51,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:52,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:56,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:56,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 83 states and 155 transitions. [2023-11-24 22:57:56,511 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 155 transitions. [2023-11-24 22:57:56,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:57:56,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:56,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:08,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:08,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 90 states and 174 transitions. [2023-11-24 22:58:08,521 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 174 transitions. [2023-11-24 22:58:08,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:58:08,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:08,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat