./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/sll-sorted-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff 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_f12e0b1e-26a9-4195-8d08-4a782c0f610f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e0b1e-26a9-4195-8d08-4a782c0f610f/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e0b1e-26a9-4195-8d08-4a782c0f610f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e0b1e-26a9-4195-8d08-4a782c0f610f/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-sorted-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e0b1e-26a9-4195-8d08-4a782c0f610f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e0b1e-26a9-4195-8d08-4a782c0f610f/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e45b14428dafe2f20aeac8c38d2592befc15b6791b0365935474ded4fd47d0f2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:47:25,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:47:25,739 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e0b1e-26a9-4195-8d08-4a782c0f610f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 02:47:25,745 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:47:25,745 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:47:25,772 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:47:25,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:47:25,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:47:25,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:47:25,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:47:25,776 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:47:25,777 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:47:25,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:47:25,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:47:25,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:47:25,779 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:47:25,780 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:47:25,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:47:25,781 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:47:25,782 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:47:25,782 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:47:25,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:47:25,783 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:47:25,784 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:47:25,784 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:47:25,785 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:47:25,785 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:47:25,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:25,786 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:47:25,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:47:25,787 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:47:25,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:47:25,788 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_f12e0b1e-26a9-4195-8d08-4a782c0f610f/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e0b1e-26a9-4195-8d08-4a782c0f610f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e45b14428dafe2f20aeac8c38d2592befc15b6791b0365935474ded4fd47d0f2 [2023-11-19 02:47:26,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:47:26,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:47:26,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:47:26,077 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:47:26,078 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:47:26,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e0b1e-26a9-4195-8d08-4a782c0f610f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/forester-heap/sll-sorted-1.i [2023-11-19 02:47:29,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:47:29,648 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:47:29,652 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e0b1e-26a9-4195-8d08-4a782c0f610f/sv-benchmarks/c/forester-heap/sll-sorted-1.i [2023-11-19 02:47:29,681 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e0b1e-26a9-4195-8d08-4a782c0f610f/bin/ukojak-verify-G8NBE6pJGL/data/33f4ec716/6c627bc544584dd4a3945641b5195d08/FLAGa47d71f39 [2023-11-19 02:47:29,697 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e0b1e-26a9-4195-8d08-4a782c0f610f/bin/ukojak-verify-G8NBE6pJGL/data/33f4ec716/6c627bc544584dd4a3945641b5195d08 [2023-11-19 02:47:29,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:47:29,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:47:29,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:29,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:47:29,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:47:29,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:29" (1/1) ... [2023-11-19 02:47:29,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22b512b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:29, skipping insertion in model container [2023-11-19 02:47:29,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:29" (1/1) ... [2023-11-19 02:47:29,778 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:47:30,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:30,151 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:47:30,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:30,231 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:47:30,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:30 WrapperNode [2023-11-19 02:47:30,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:30,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:30,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:47:30,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:47:30,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:30" (1/1) ... [2023-11-19 02:47:30,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:30" (1/1) ... [2023-11-19 02:47:30,298 INFO L138 Inliner]: procedures = 119, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2023-11-19 02:47:30,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:30,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:47:30,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:47:30,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:47:30,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:30" (1/1) ... [2023-11-19 02:47:30,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:30" (1/1) ... [2023-11-19 02:47:30,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:30" (1/1) ... [2023-11-19 02:47:30,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:30" (1/1) ... [2023-11-19 02:47:30,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:30" (1/1) ... [2023-11-19 02:47:30,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:30" (1/1) ... [2023-11-19 02:47:30,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:30" (1/1) ... [2023-11-19 02:47:30,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:30" (1/1) ... [2023-11-19 02:47:30,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:47:30,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:47:30,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:47:30,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:47:30,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:30" (1/1) ... [2023-11-19 02:47:30,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:30,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e0b1e-26a9-4195-8d08-4a782c0f610f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:47:30,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e0b1e-26a9-4195-8d08-4a782c0f610f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:47:30,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12e0b1e-26a9-4195-8d08-4a782c0f610f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:47:30,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:47:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:47:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:47:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:47:30,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:47:30,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:47:30,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:47:30,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:47:30,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:47:30,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:47:30,643 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:47:30,645 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:47:31,024 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:47:31,135 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:47:31,135 INFO L302 CfgBuilder]: Removed 18 assume(true) statements. [2023-11-19 02:47:31,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:31 BoogieIcfgContainer [2023-11-19 02:47:31,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:47:31,142 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:47:31,143 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:47:31,155 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:47:31,155 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:31" (1/1) ... [2023-11-19 02:47:31,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:47:31,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:31,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 58 states and 91 transitions. [2023-11-19 02:47:31,222 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 91 transitions. [2023-11-19 02:47:31,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:47:31,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:31,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:31,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:31,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:31,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 85 transitions. [2023-11-19 02:47:31,445 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2023-11-19 02:47:31,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:47:31,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:31,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:31,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:31,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:31,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2023-11-19 02:47:31,578 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2023-11-19 02:47:31,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:47:31,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:31,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:31,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:47:32,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:32,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 56 states and 85 transitions. [2023-11-19 02:47:32,068 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2023-11-19 02:47:32,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:47:32,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:32,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:32,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:47:32,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:32,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 56 states and 81 transitions. [2023-11-19 02:47:32,254 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2023-11-19 02:47:32,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:47:32,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:32,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:33,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:34,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:34,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 69 states and 103 transitions. [2023-11-19 02:47:34,367 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2023-11-19 02:47:34,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:47:34,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:34,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:36,293 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:38,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:38,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 79 states and 127 transitions. [2023-11-19 02:47:38,579 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 127 transitions. [2023-11-19 02:47:38,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:47:38,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:38,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:40,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:41,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:41,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 82 states and 135 transitions. [2023-11-19 02:47:41,034 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 135 transitions. [2023-11-19 02:47:41,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:47:41,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:41,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:41,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:47:41,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:41,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 90 states and 154 transitions. [2023-11-19 02:47:41,626 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 154 transitions. [2023-11-19 02:47:41,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:47:41,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:41,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:42,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:43,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:43,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 95 states and 160 transitions. [2023-11-19 02:47:43,987 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 160 transitions. [2023-11-19 02:47:43,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:47:43,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:43,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:45,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:49,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:49,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 109 states and 184 transitions. [2023-11-19 02:47:49,323 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 184 transitions. [2023-11-19 02:47:49,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:47:49,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:49,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:51,779 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:56,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:56,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 119 states and 204 transitions. [2023-11-19 02:47:56,678 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 204 transitions. [2023-11-19 02:47:56,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:47:56,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:56,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:59,593 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:01,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:01,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 121 states and 212 transitions. [2023-11-19 02:48:01,619 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 212 transitions. [2023-11-19 02:48:01,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:48:01,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:01,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:03,693 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:05,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:05,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 123 states and 217 transitions. [2023-11-19 02:48:05,417 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 217 transitions. [2023-11-19 02:48:05,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:48:05,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:05,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:05,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:05,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:05,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 122 states and 210 transitions. [2023-11-19 02:48:05,472 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 210 transitions. [2023-11-19 02:48:05,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:48:05,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:05,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:06,843 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:10,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:10,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 130 states and 229 transitions. [2023-11-19 02:48:10,189 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 229 transitions. [2023-11-19 02:48:10,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:48:10,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:10,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:11,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:12,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:12,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 132 states and 231 transitions. [2023-11-19 02:48:12,428 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 231 transitions. [2023-11-19 02:48:12,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:48:12,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:12,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:13,409 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:14,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:14,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 134 states and 238 transitions. [2023-11-19 02:48:14,392 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 238 transitions. [2023-11-19 02:48:14,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:48:14,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:14,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:14,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:15,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:15,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 130 states and 230 transitions. [2023-11-19 02:48:15,876 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 230 transitions. [2023-11-19 02:48:15,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:48:15,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:15,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat