./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663bd3a-2dea-4443-8b9c-ca7a266388ff/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663bd3a-2dea-4443-8b9c-ca7a266388ff/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_a663bd3a-2dea-4443-8b9c-ca7a266388ff/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663bd3a-2dea-4443-8b9c-ca7a266388ff/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663bd3a-2dea-4443-8b9c-ca7a266388ff/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663bd3a-2dea-4443-8b9c-ca7a266388ff/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-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef232f94cb2adf03185aed5adfaef3f0eb9593ee06bfb5b3fbb6e4bc1dd6d041 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:40,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:40,332 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663bd3a-2dea-4443-8b9c-ca7a266388ff/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 23:01:40,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:01:40,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:01:40,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:40,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:40,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:40,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:40,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:01:40,392 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:01:40,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:01:40,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:01:40,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:40,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:01:40,396 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:01:40,396 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:01:40,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:40,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:01:40,398 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:01:40,398 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:01:40,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:01:40,399 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:40,400 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:40,401 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:40,401 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:40,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:40,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:40,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:40,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:40,405 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:01:40,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:01:40,405 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_a663bd3a-2dea-4443-8b9c-ca7a266388ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663bd3a-2dea-4443-8b9c-ca7a266388ff/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef232f94cb2adf03185aed5adfaef3f0eb9593ee06bfb5b3fbb6e4bc1dd6d041 [2023-11-24 23:01:40,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:40,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:40,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:40,754 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:40,755 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:40,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663bd3a-2dea-4443-8b9c-ca7a266388ff/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i [2023-11-24 23:01:43,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:44,143 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:44,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663bd3a-2dea-4443-8b9c-ca7a266388ff/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i [2023-11-24 23:01:44,167 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663bd3a-2dea-4443-8b9c-ca7a266388ff/bin/ukojak-verify-afCqCEvfdi/data/4e1402862/f7340fde6dcd42abbbdc0664f11d05c0/FLAG602405625 [2023-11-24 23:01:44,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663bd3a-2dea-4443-8b9c-ca7a266388ff/bin/ukojak-verify-afCqCEvfdi/data/4e1402862/f7340fde6dcd42abbbdc0664f11d05c0 [2023-11-24 23:01:44,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:44,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:44,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:44,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:44,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:44,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:44" (1/1) ... [2023-11-24 23:01:44,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f7303c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:44, skipping insertion in model container [2023-11-24 23:01:44,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:44" (1/1) ... [2023-11-24 23:01:44,264 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:45,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:45,068 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:45,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:45,272 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:45,281 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:45,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:45 WrapperNode [2023-11-24 23:01:45,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:45,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:45,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:45,284 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:45,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:45" (1/1) ... [2023-11-24 23:01:45,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:45" (1/1) ... [2023-11-24 23:01:45,465 INFO L138 Inliner]: procedures = 176, calls = 331, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 1515 [2023-11-24 23:01:45,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:45,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:45,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:45,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:45,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:45" (1/1) ... [2023-11-24 23:01:45,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:45" (1/1) ... [2023-11-24 23:01:45,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:45" (1/1) ... [2023-11-24 23:01:45,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:45" (1/1) ... [2023-11-24 23:01:45,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:45" (1/1) ... [2023-11-24 23:01:45,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:45" (1/1) ... [2023-11-24 23:01:45,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:45" (1/1) ... [2023-11-24 23:01:45,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:45" (1/1) ... [2023-11-24 23:01:45,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:45,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:45,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:45,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:45,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:45" (1/1) ... [2023-11-24 23:01:45,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:45,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663bd3a-2dea-4443-8b9c-ca7a266388ff/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:45,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663bd3a-2dea-4443-8b9c-ca7a266388ff/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:45,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663bd3a-2dea-4443-8b9c-ca7a266388ff/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:01:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:01:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:01:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:01:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:01:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:01:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:01:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:01:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:01:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:45,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:46,023 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:46,028 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:48,001 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:49,721 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:01:49,721 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-24 23:01:49,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:49 BoogieIcfgContainer [2023-11-24 23:01:49,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:01:49,725 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:01:49,725 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:01:49,738 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:01:49,738 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:49" (1/1) ... [2023-11-24 23:01:49,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:01:49,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:49,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 131 states and 225 transitions. [2023-11-24 23:01:49,817 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 225 transitions. [2023-11-24 23:01:49,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:01:49,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:49,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:50,009 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 23:01:50,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:50,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 223 transitions. [2023-11-24 23:01:50,041 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 223 transitions. [2023-11-24 23:01:50,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:01:50,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:50,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:50,255 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 23:01:50,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:50,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 133 states and 226 transitions. [2023-11-24 23:01:50,304 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 226 transitions. [2023-11-24 23:01:50,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:01:50,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:50,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:50,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:01:50,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:50,452 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 23:01:50,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:50,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 133 states and 224 transitions. [2023-11-24 23:01:50,473 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 224 transitions. [2023-11-24 23:01:50,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:01:50,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:50,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:50,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:01:50,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:50,626 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 23:01:50,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:50,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 133 states and 220 transitions. [2023-11-24 23:01:50,634 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 220 transitions. [2023-11-24 23:01:50,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:01:50,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:50,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:50,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:01:50,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:50,829 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 23:01:50,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:50,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 133 states and 214 transitions. [2023-11-24 23:01:50,851 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 214 transitions. [2023-11-24 23:01:50,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:01:50,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:50,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:51,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:01:51,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:51,081 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 23:02:01,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:02:01,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:01,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 133 states and 208 transitions. [2023-11-24 23:02:01,180 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 208 transitions. [2023-11-24 23:02:01,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:02:01,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:01,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:01,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:02:01,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:01,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:11,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:02:21,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:02:31,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:02:41,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:02:42,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:42,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 146 states and 223 transitions. [2023-11-24 23:02:42,034 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 223 transitions. [2023-11-24 23:02:42,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:02:42,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:42,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:42,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:02:42,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:42,269 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 23:02:42,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:42,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2023-11-24 23:02:42,278 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2023-11-24 23:02:42,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:02:42,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:42,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:42,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:02:42,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:42,524 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 23:02:42,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:42,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 146 states and 219 transitions. [2023-11-24 23:02:42,536 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 219 transitions. [2023-11-24 23:02:42,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 23:02:42,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:42,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:42,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:02:42,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:42,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.