./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2n_remove_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 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_c11e0aa4-860c-4cfb-bd90-1d37e1edb0c7/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11e0aa4-860c-4cfb-bd90-1d37e1edb0c7/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_c11e0aa4-860c-4cfb-bd90-1d37e1edb0c7/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11e0aa4-860c-4cfb-bd90-1d37e1edb0c7/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2n_remove_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11e0aa4-860c-4cfb-bd90-1d37e1edb0c7/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11e0aa4-860c-4cfb-bd90-1d37e1edb0c7/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-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 bae9bfc842bb010963d083e19e9498cfd3af182f91f0b8fa56907786a4d462dd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:06:09,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:06:09,300 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11e0aa4-860c-4cfb-bd90-1d37e1edb0c7/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-12 00:06:09,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:06:09,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:06:09,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:06:09,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:06:09,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:06:09,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:06:09,359 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:06:09,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:06:09,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:06:09,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:06:09,363 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:06:09,364 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:06:09,364 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:06:09,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:06:09,365 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:06:09,365 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:06:09,366 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:06:09,366 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:06:09,367 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:06:09,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:06:09,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:06:09,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:06:09,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:06:09,369 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:06:09,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:06:09,370 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_c11e0aa4-860c-4cfb-bd90-1d37e1edb0c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11e0aa4-860c-4cfb-bd90-1d37e1edb0c7/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bae9bfc842bb010963d083e19e9498cfd3af182f91f0b8fa56907786a4d462dd [2023-11-12 00:06:09,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:06:09,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:06:09,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:06:09,673 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:06:09,674 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:06:09,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11e0aa4-860c-4cfb-bd90-1d37e1edb0c7/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/list-simple/sll2n_remove_all.i [2023-11-12 00:06:12,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:06:13,012 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:06:13,013 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11e0aa4-860c-4cfb-bd90-1d37e1edb0c7/sv-benchmarks/c/list-simple/sll2n_remove_all.i [2023-11-12 00:06:13,036 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11e0aa4-860c-4cfb-bd90-1d37e1edb0c7/bin/ukojak-verify-0OAaufAVZV/data/65b47bcd7/ce7cde8313974f96bf8ac187fd57d078/FLAGe9cd305f2 [2023-11-12 00:06:13,053 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11e0aa4-860c-4cfb-bd90-1d37e1edb0c7/bin/ukojak-verify-0OAaufAVZV/data/65b47bcd7/ce7cde8313974f96bf8ac187fd57d078 [2023-11-12 00:06:13,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:06:13,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:06:13,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:06:13,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:06:13,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:06:13,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:06:13" (1/1) ... [2023-11-12 00:06:13,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eeab89f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:13, skipping insertion in model container [2023-11-12 00:06:13,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:06:13" (1/1) ... [2023-11-12 00:06:13,110 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:06:13,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:06:13,475 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:06:13,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:06:13,586 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:06:13,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:13 WrapperNode [2023-11-12 00:06:13,586 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:06:13,588 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:06:13,588 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:06:13,588 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:06:13,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:13" (1/1) ... [2023-11-12 00:06:13,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:13" (1/1) ... [2023-11-12 00:06:13,634 INFO L138 Inliner]: procedures = 126, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 89 [2023-11-12 00:06:13,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:06:13,636 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:06:13,636 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:06:13,636 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:06:13,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:13" (1/1) ... [2023-11-12 00:06:13,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:13" (1/1) ... [2023-11-12 00:06:13,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:13" (1/1) ... [2023-11-12 00:06:13,650 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:13" (1/1) ... [2023-11-12 00:06:13,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:13" (1/1) ... [2023-11-12 00:06:13,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:13" (1/1) ... [2023-11-12 00:06:13,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:13" (1/1) ... [2023-11-12 00:06:13,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:13" (1/1) ... [2023-11-12 00:06:13,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:06:13,668 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:06:13,668 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:06:13,668 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:06:13,669 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:13" (1/1) ... [2023-11-12 00:06:13,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:06:13,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11e0aa4-860c-4cfb-bd90-1d37e1edb0c7/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:06:13,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11e0aa4-860c-4cfb-bd90-1d37e1edb0c7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:06:13,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11e0aa4-860c-4cfb-bd90-1d37e1edb0c7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:06:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:06:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:06:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:06:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:06:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:06:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:06:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:06:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:06:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:06:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:06:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:06:13,908 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:06:13,910 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:06:14,179 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:06:14,255 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:06:14,255 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:06:14,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:06:14 BoogieIcfgContainer [2023-11-12 00:06:14,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:06:14,259 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:06:14,259 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:06:14,270 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:06:14,270 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:06:14" (1/1) ... [2023-11-12 00:06:14,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:06:14,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:14,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2023-11-12 00:06:14,330 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2023-11-12 00:06:14,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:06:14,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:14,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:14,698 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 00:06:14,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:14,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 42 states and 46 transitions. [2023-11-12 00:06:14,765 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2023-11-12 00:06:14,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:06:14,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:14,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:14,927 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 00:06:15,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:15,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 41 states and 45 transitions. [2023-11-12 00:06:15,073 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2023-11-12 00:06:15,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:06:15,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:15,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:15,138 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 00:06:15,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:15,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 42 states and 47 transitions. [2023-11-12 00:06:15,176 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2023-11-12 00:06:15,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:06:15,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:15,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:15,244 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 00:06:15,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:15,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 41 states and 46 transitions. [2023-11-12 00:06:15,289 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2023-11-12 00:06:15,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:06:15,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:15,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:15,378 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 00:06:15,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:15,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2023-11-12 00:06:15,523 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-11-12 00:06:15,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:06:15,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:15,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:15,627 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 00:06:15,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:15,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 39 states and 44 transitions. [2023-11-12 00:06:15,666 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2023-11-12 00:06:15,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:06:15,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:15,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:15,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:16,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:16,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 38 states and 43 transitions. [2023-11-12 00:06:16,139 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2023-11-12 00:06:16,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:06:16,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:16,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:16,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:16,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:16,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2023-11-12 00:06:16,720 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2023-11-12 00:06:16,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:06:16,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:16,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:16,999 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:06:18,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:18,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 55 states and 68 transitions. [2023-11-12 00:06:18,334 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2023-11-12 00:06:18,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:06:18,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:18,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:18,763 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:06:20,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:20,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 68 states and 91 transitions. [2023-11-12 00:06:20,929 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2023-11-12 00:06:20,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:06:20,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:20,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:21,868 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:06:25,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:25,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 81 states and 114 transitions. [2023-11-12 00:06:25,416 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 114 transitions. [2023-11-12 00:06:25,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:06:25,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:25,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:26,024 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:06:27,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:27,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 84 states and 120 transitions. [2023-11-12 00:06:27,722 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2023-11-12 00:06:27,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:06:27,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:27,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:28,576 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:06:31,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:31,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 87 states and 126 transitions. [2023-11-12 00:06:31,301 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2023-11-12 00:06:31,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:06:31,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:31,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:31,343 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 00:06:31,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:31,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 88 states and 128 transitions. [2023-11-12 00:06:31,854 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 128 transitions. [2023-11-12 00:06:31,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:06:31,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:31,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:32,224 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 00:06:33,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:33,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 90 states and 131 transitions. [2023-11-12 00:06:33,047 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2023-11-12 00:06:33,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:06:33,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:33,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:33,851 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:06:35,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:35,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 92 states and 134 transitions. [2023-11-12 00:06:35,837 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 134 transitions. [2023-11-12 00:06:35,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:06:35,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:35,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:37,054 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:06:44,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:44,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 98 states and 143 transitions. [2023-11-12 00:06:44,051 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 143 transitions. [2023-11-12 00:06:44,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:06:44,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:44,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:44,517 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 00:06:48,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:48,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 102 states and 149 transitions. [2023-11-12 00:06:48,095 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 149 transitions. [2023-11-12 00:06:48,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:06:48,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:48,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:49,905 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:07:04,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:04,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 121 states and 182 transitions. [2023-11-12 00:07:04,223 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 182 transitions. [2023-11-12 00:07:04,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:07:04,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:04,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:04,300 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 00:07:07,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:07,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 125 states and 194 transitions. [2023-11-12 00:07:07,121 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 194 transitions. [2023-11-12 00:07:07,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:07:07,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:07,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat