./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 527bcce2 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_99a2f26a-4b88-4625-a0c6-8596948c0d41/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a2f26a-4b88-4625-a0c6-8596948c0d41/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a2f26a-4b88-4625-a0c6-8596948c0d41/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a2f26a-4b88-4625-a0c6-8596948c0d41/bin/ukojak-verify-i0I2FZA1j2/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a2f26a-4b88-4625-a0c6-8596948c0d41/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a2f26a-4b88-4625-a0c6-8596948c0d41/bin/ukojak-verify-i0I2FZA1j2 --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 ba885d2ca843c278430bc3d4272c307ea7df8f1fbcd0da84e81382a8c1939a93 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:51:34,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:51:34,276 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a2f26a-4b88-4625-a0c6-8596948c0d41/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-21 18:51:34,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:51:34,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:51:34,304 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:51:34,306 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:51:34,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:51:34,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:51:34,308 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:51:34,312 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:51:34,313 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:51:34,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:51:34,316 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 18:51:34,317 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 18:51:34,317 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 18:51:34,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:51:34,320 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:51:34,321 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:51:34,321 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:51:34,322 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:51:34,323 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:51:34,323 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:51:34,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:51:34,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:34,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:51:34,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:51:34,328 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:51:34,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:51:34,329 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_99a2f26a-4b88-4625-a0c6-8596948c0d41/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a2f26a-4b88-4625-a0c6-8596948c0d41/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba885d2ca843c278430bc3d4272c307ea7df8f1fbcd0da84e81382a8c1939a93 [2023-11-21 18:51:34,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:51:34,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:51:34,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:51:34,732 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:51:34,733 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:51:34,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a2f26a-4b88-4625-a0c6-8596948c0d41/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i [2023-11-21 18:51:37,886 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:51:38,255 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:51:38,263 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a2f26a-4b88-4625-a0c6-8596948c0d41/sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i [2023-11-21 18:51:38,289 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a2f26a-4b88-4625-a0c6-8596948c0d41/bin/ukojak-verify-i0I2FZA1j2/data/279f151a7/3332cdd183bc411793b1c8c8d84f2778/FLAG1f3c61028 [2023-11-21 18:51:38,307 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a2f26a-4b88-4625-a0c6-8596948c0d41/bin/ukojak-verify-i0I2FZA1j2/data/279f151a7/3332cdd183bc411793b1c8c8d84f2778 [2023-11-21 18:51:38,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:51:38,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:51:38,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:38,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:51:38,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:51:38,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:38" (1/1) ... [2023-11-21 18:51:38,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cea7c53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:38, skipping insertion in model container [2023-11-21 18:51:38,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:38" (1/1) ... [2023-11-21 18:51:38,392 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:51:38,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:38,843 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:51:38,887 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:38,924 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:51:38,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:38 WrapperNode [2023-11-21 18:51:38,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:38,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:38,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:51:38,928 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:51:38,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:38" (1/1) ... [2023-11-21 18:51:38,953 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:38" (1/1) ... [2023-11-21 18:51:38,974 INFO L138 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-11-21 18:51:38,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:38,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:51:38,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:51:38,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:51:38,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:38" (1/1) ... [2023-11-21 18:51:38,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:38" (1/1) ... [2023-11-21 18:51:38,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:38" (1/1) ... [2023-11-21 18:51:38,989 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:38" (1/1) ... [2023-11-21 18:51:38,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:38" (1/1) ... [2023-11-21 18:51:38,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:38" (1/1) ... [2023-11-21 18:51:39,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:38" (1/1) ... [2023-11-21 18:51:39,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:38" (1/1) ... [2023-11-21 18:51:39,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:51:39,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:51:39,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:51:39,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:51:39,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:38" (1/1) ... [2023-11-21 18:51:39,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:39,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a2f26a-4b88-4625-a0c6-8596948c0d41/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:51:39,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a2f26a-4b88-4625-a0c6-8596948c0d41/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:51:39,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a2f26a-4b88-4625-a0c6-8596948c0d41/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:51:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:51:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:51:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:51:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:51:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:51:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:51:39,223 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:51:39,224 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:51:39,472 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:51:39,559 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:51:39,559 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:51:39,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:39 BoogieIcfgContainer [2023-11-21 18:51:39,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:51:39,569 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:51:39,569 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:51:39,577 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:51:39,578 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:39" (1/1) ... [2023-11-21 18:51:39,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:51:39,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:39,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2023-11-21 18:51:39,633 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2023-11-21 18:51:39,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:51:39,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:39,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:40,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:40,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2023-11-21 18:51:40,050 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2023-11-21 18:51:40,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:51:40,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:40,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:40,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:40,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:40,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2023-11-21 18:51:40,680 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2023-11-21 18:51:40,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:51:40,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:40,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:40,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:41,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:41,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2023-11-21 18:51:41,029 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2023-11-21 18:51:41,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:51:41,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:41,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:41,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:42,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:42,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2023-11-21 18:51:42,094 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2023-11-21 18:51:42,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:51:42,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:42,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:42,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:43,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:43,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2023-11-21 18:51:43,097 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-11-21 18:51:43,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:51:43,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:43,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:43,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:43,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:43,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2023-11-21 18:51:43,486 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2023-11-21 18:51:43,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:51:43,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:43,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:43,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:43,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:43,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 46 transitions. [2023-11-21 18:51:43,852 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2023-11-21 18:51:43,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:51:43,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:43,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:44,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:45,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:45,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2023-11-21 18:51:45,575 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2023-11-21 18:51:45,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:51:45,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:45,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:45,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:46,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:46,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 58 transitions. [2023-11-21 18:51:46,027 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2023-11-21 18:51:46,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:51:46,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:46,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:46,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:49,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:49,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 47 states and 77 transitions. [2023-11-21 18:51:49,918 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 77 transitions. [2023-11-21 18:51:49,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:51:49,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:49,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:50,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:51,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:51,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2023-11-21 18:51:51,142 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2023-11-21 18:51:51,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:51:51,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:51,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:51,666 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:53,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:53,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2023-11-21 18:51:53,837 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2023-11-21 18:51:53,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:51:53,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:53,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:53,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:51:53,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:53,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2023-11-21 18:51:53,901 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2023-11-21 18:51:53,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:51:53,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:53,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:54,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:54,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:54,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2023-11-21 18:51:54,892 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2023-11-21 18:51:54,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:51:54,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:54,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:54,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:51:54,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:54,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2023-11-21 18:51:54,948 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2023-11-21 18:51:54,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:51:54,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:54,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:55,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:51:55,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 45 states and 69 transitions. [2023-11-21 18:51:55,757 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2023-11-21 18:51:55,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:51:55,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:55,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:55,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:51:55,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:55,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2023-11-21 18:51:55,799 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2023-11-21 18:51:55,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:51:55,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:55,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:56,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:51:57,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:57,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2023-11-21 18:51:57,119 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2023-11-21 18:51:57,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:51:57,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:57,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:57,142 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:51:57,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:57,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 66 transitions. [2023-11-21 18:51:57,185 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2023-11-21 18:51:57,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:51:57,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:57,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:57,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:51:57,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:57,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2023-11-21 18:51:57,251 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2023-11-21 18:51:57,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:51:57,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:57,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:57,922 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:02,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:02,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2023-11-21 18:52:02,060 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2023-11-21 18:52:02,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:52:02,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:02,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:52:02,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:02,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2023-11-21 18:52:02,559 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2023-11-21 18:52:02,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:52:02,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:02,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:02,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:52:02,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:02,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 86 transitions. [2023-11-21 18:52:02,621 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2023-11-21 18:52:02,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:52:02,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:02,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:02,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:52:02,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:02,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 85 transitions. [2023-11-21 18:52:02,691 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2023-11-21 18:52:02,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:52:02,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:02,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:02,803 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:52:04,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:04,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 55 states and 95 transitions. [2023-11-21 18:52:04,759 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 95 transitions. [2023-11-21 18:52:04,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:52:04,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:04,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:05,976 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:11,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:11,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 63 states and 116 transitions. [2023-11-21 18:52:11,596 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 116 transitions. [2023-11-21 18:52:11,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:52:11,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:11,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:11,866 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:52:13,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:13,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 65 states and 121 transitions. [2023-11-21 18:52:13,227 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 121 transitions. [2023-11-21 18:52:13,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:52:13,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:13,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:13,257 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:52:13,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:13,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 65 states and 120 transitions. [2023-11-21 18:52:13,552 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 120 transitions. [2023-11-21 18:52:13,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:52:13,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:13,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:13,767 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:52:14,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:14,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 66 states and 121 transitions. [2023-11-21 18:52:14,508 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 121 transitions. [2023-11-21 18:52:14,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:52:14,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:14,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:15,333 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:18,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:18,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 71 states and 128 transitions. [2023-11-21 18:52:18,031 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 128 transitions. [2023-11-21 18:52:18,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:52:18,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:18,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:19,580 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:21,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:21,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 72 states and 129 transitions. [2023-11-21 18:52:21,303 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 129 transitions. [2023-11-21 18:52:21,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:52:21,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:21,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:21,331 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:52:22,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:22,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 72 states and 128 transitions. [2023-11-21 18:52:22,003 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 128 transitions. [2023-11-21 18:52:22,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:52:22,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:22,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:22,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:22,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:22,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 76 states and 131 transitions. [2023-11-21 18:52:22,482 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 131 transitions. [2023-11-21 18:52:22,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:52:22,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:22,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:22,552 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:52:22,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:22,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 80 states and 134 transitions. [2023-11-21 18:52:22,591 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 134 transitions. [2023-11-21 18:52:22,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:52:22,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:22,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:22,750 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:23,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:23,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 84 states and 137 transitions. [2023-11-21 18:52:23,182 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 137 transitions. [2023-11-21 18:52:23,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:52:23,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:23,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:23,246 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:52:23,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:23,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 85 states and 139 transitions. [2023-11-21 18:52:23,959 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 139 transitions. [2023-11-21 18:52:23,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:52:23,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:23,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:24,871 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:27,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:27,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 91 states and 147 transitions. [2023-11-21 18:52:27,338 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2023-11-21 18:52:27,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:52:27,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:27,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat