./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d62d003-5464-4a95-a55c-51facdb0960d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d62d003-5464-4a95-a55c-51facdb0960d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d62d003-5464-4a95-a55c-51facdb0960d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d62d003-5464-4a95-a55c-51facdb0960d/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d62d003-5464-4a95-a55c-51facdb0960d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d62d003-5464-4a95-a55c-51facdb0960d/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 56378163c79b0eba0729f8e2dead780600d4e2955d7237f1b64a798c9e152da1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:59,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:17:00,016 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d62d003-5464-4a95-a55c-51facdb0960d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-24 22:17:00,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:17:00,024 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:17:00,063 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:17:00,064 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:17:00,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:17:00,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:17:00,072 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:17:00,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:17:00,073 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:17:00,074 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:17:00,076 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:17:00,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:17:00,077 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:17:00,077 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:17:00,077 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:17:00,078 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:17:00,078 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:17:00,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:17:00,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:00,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:17:00,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:17:00,081 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:17:00,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:17:00,082 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_4d62d003-5464-4a95-a55c-51facdb0960d/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d62d003-5464-4a95-a55c-51facdb0960d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56378163c79b0eba0729f8e2dead780600d4e2955d7237f1b64a798c9e152da1 [2023-11-24 22:17:00,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:17:00,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:17:00,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:17:00,484 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:17:00,484 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:17:00,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d62d003-5464-4a95-a55c-51facdb0960d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2023-11-24 22:17:03,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:17:03,996 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:17:03,997 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d62d003-5464-4a95-a55c-51facdb0960d/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2023-11-24 22:17:04,026 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d62d003-5464-4a95-a55c-51facdb0960d/bin/ukojak-verify-afCqCEvfdi/data/40b264d76/7781b51b3c7348d0b6192c49d61239a9/FLAGfc5afa91f [2023-11-24 22:17:04,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d62d003-5464-4a95-a55c-51facdb0960d/bin/ukojak-verify-afCqCEvfdi/data/40b264d76/7781b51b3c7348d0b6192c49d61239a9 [2023-11-24 22:17:04,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:17:04,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:17:04,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:04,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:17:04,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:17:04,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:04" (1/1) ... [2023-11-24 22:17:04,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b30e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:04, skipping insertion in model container [2023-11-24 22:17:04,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:04" (1/1) ... [2023-11-24 22:17:04,143 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:17:05,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:05,394 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:17:05,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:05,754 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:17:05,762 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:17:05,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05 WrapperNode [2023-11-24 22:17:05,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:05,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:05,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:17:05,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:17:05,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (1/1) ... [2023-11-24 22:17:05,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (1/1) ... [2023-11-24 22:17:05,931 INFO L138 Inliner]: procedures = 597, calls = 171, calls flagged for inlining = 29, calls inlined = 25, statements flattened = 679 [2023-11-24 22:17:05,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:05,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:17:05,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:17:05,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:17:05,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (1/1) ... [2023-11-24 22:17:05,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (1/1) ... [2023-11-24 22:17:05,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (1/1) ... [2023-11-24 22:17:05,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (1/1) ... [2023-11-24 22:17:06,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (1/1) ... [2023-11-24 22:17:06,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (1/1) ... [2023-11-24 22:17:06,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (1/1) ... [2023-11-24 22:17:06,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (1/1) ... [2023-11-24 22:17:06,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:17:06,088 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:17:06,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:17:06,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:17:06,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (1/1) ... [2023-11-24 22:17:06,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:06,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d62d003-5464-4a95-a55c-51facdb0960d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:17:06,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d62d003-5464-4a95-a55c-51facdb0960d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:17:06,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d62d003-5464-4a95-a55c-51facdb0960d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:17:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:17:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 22:17:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:17:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:17:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:17:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-24 22:17:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:17:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:17:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:17:06,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:17:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 22:17:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 22:17:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:17:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:17:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:17:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:17:06,566 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:17:06,569 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:17:07,597 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:17:07,898 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:17:07,898 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-24 22:17:07,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:07 BoogieIcfgContainer [2023-11-24 22:17:07,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:17:07,903 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:17:07,903 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:17:07,913 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:17:07,913 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:07" (1/1) ... [2023-11-24 22:17:07,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:17:07,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:07,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 380 states and 427 transitions. [2023-11-24 22:17:07,998 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 427 transitions. [2023-11-24 22:17:08,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:17:08,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:08,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:08,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:08,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:08,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 379 states and 426 transitions. [2023-11-24 22:17:08,632 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 426 transitions. [2023-11-24 22:17:08,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:17:08,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:08,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:08,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:08,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:08,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 378 states and 425 transitions. [2023-11-24 22:17:08,975 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 425 transitions. [2023-11-24 22:17:08,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:17:08,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:08,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:09,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:09,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:09,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 379 states and 427 transitions. [2023-11-24 22:17:09,172 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 427 transitions. [2023-11-24 22:17:09,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:17:09,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:09,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:09,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:09,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:09,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 380 states and 429 transitions. [2023-11-24 22:17:09,394 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 429 transitions. [2023-11-24 22:17:09,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:17:09,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:09,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:09,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:09,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:09,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 382 states and 431 transitions. [2023-11-24 22:17:09,902 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 431 transitions. [2023-11-24 22:17:09,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:17:09,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:09,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:10,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:10,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:10,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 383 states and 434 transitions. [2023-11-24 22:17:10,148 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 434 transitions. [2023-11-24 22:17:10,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:17:10,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:10,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:10,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:10,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:10,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 383 states and 433 transitions. [2023-11-24 22:17:10,334 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 433 transitions. [2023-11-24 22:17:10,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:17:10,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:10,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:11,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:11,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 385 states and 437 transitions. [2023-11-24 22:17:11,071 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 437 transitions. [2023-11-24 22:17:11,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:17:11,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:11,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:11,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:11,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 387 states and 442 transitions. [2023-11-24 22:17:11,411 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 442 transitions. [2023-11-24 22:17:11,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:17:11,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:11,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:11,483 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:17:11,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:11,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 387 states and 441 transitions. [2023-11-24 22:17:11,609 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 441 transitions. [2023-11-24 22:17:11,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:17:11,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:11,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:11,951 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:12,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:12,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 391 states and 446 transitions. [2023-11-24 22:17:12,855 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 446 transitions. [2023-11-24 22:17:12,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:17:12,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:12,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:13,039 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:13,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:13,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 393 states and 453 transitions. [2023-11-24 22:17:13,339 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 453 transitions. [2023-11-24 22:17:13,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:17:13,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:13,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:13,732 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:14,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:14,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 395 states and 457 transitions. [2023-11-24 22:17:14,492 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 457 transitions. [2023-11-24 22:17:14,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:17:14,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:14,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:14,572 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:17:14,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:14,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 395 states and 456 transitions. [2023-11-24 22:17:14,816 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 456 transitions. [2023-11-24 22:17:14,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:17:14,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:14,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:15,045 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:15,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:15,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 397 states and 465 transitions. [2023-11-24 22:17:15,462 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 465 transitions. [2023-11-24 22:17:15,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:17:15,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:15,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:15,913 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:16,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:16,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 399 states and 466 transitions. [2023-11-24 22:17:16,657 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 466 transitions. [2023-11-24 22:17:16,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:17:16,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:16,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:16,841 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:17,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:17,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 400 states and 466 transitions. [2023-11-24 22:17:17,003 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 466 transitions. [2023-11-24 22:17:17,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:17:17,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:17,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:17,098 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:17:17,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:17,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 400 states and 465 transitions. [2023-11-24 22:17:17,341 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 465 transitions. [2023-11-24 22:17:17,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:17:17,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:17,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:18,007 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 22:17:20,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:20,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 403 states and 477 transitions. [2023-11-24 22:17:20,853 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 477 transitions. [2023-11-24 22:17:20,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:17:20,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:20,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:21,106 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:21,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:21,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 405 states and 486 transitions. [2023-11-24 22:17:21,765 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 486 transitions. [2023-11-24 22:17:21,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:17:21,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:21,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:21,887 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 22:17:22,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:22,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 405 states and 485 transitions. [2023-11-24 22:17:22,223 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 485 transitions. [2023-11-24 22:17:22,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:17:22,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:22,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:22,722 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:23,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:23,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 406 states and 485 transitions. [2023-11-24 22:17:23,446 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 485 transitions. [2023-11-24 22:17:23,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:17:23,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:23,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:23,750 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:24,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:24,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 408 states and 494 transitions. [2023-11-24 22:17:24,409 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 494 transitions. [2023-11-24 22:17:24,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:17:24,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:24,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:24,502 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-24 22:17:24,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:24,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 408 states and 493 transitions. [2023-11-24 22:17:24,856 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 493 transitions. [2023-11-24 22:17:24,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:17:24,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:24,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:25,499 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:26,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:26,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 410 states and 499 transitions. [2023-11-24 22:17:26,979 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 499 transitions. [2023-11-24 22:17:26,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:17:26,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:26,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:27,744 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:28,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:28,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 411 states and 499 transitions. [2023-11-24 22:17:28,702 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 499 transitions. [2023-11-24 22:17:28,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:17:28,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:28,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:29,016 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:29,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:29,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 413 states and 510 transitions. [2023-11-24 22:17:29,842 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 510 transitions. [2023-11-24 22:17:29,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:17:29,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:29,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:30,370 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:31,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:31,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 415 states and 515 transitions. [2023-11-24 22:17:31,730 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 515 transitions. [2023-11-24 22:17:31,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:17:31,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:31,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:31,825 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 22:17:32,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:32,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 415 states and 514 transitions. [2023-11-24 22:17:32,330 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 514 transitions. [2023-11-24 22:17:32,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:17:32,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:32,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:32,711 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:33,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:33,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 417 states and 528 transitions. [2023-11-24 22:17:33,736 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 528 transitions. [2023-11-24 22:17:33,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:17:33,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:33,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:33,979 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:34,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:34,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 419 states and 540 transitions. [2023-11-24 22:17:34,989 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 540 transitions. [2023-11-24 22:17:34,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:17:34,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:34,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:35,088 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-24 22:17:35,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:35,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 419 states and 539 transitions. [2023-11-24 22:17:35,564 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 539 transitions. [2023-11-24 22:17:35,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:17:35,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:35,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:35,793 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:36,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:36,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 420 states and 540 transitions. [2023-11-24 22:17:36,332 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 540 transitions. [2023-11-24 22:17:36,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:17:36,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:36,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:36,806 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:38,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:38,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 423 states and 546 transitions. [2023-11-24 22:17:38,889 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 546 transitions. [2023-11-24 22:17:38,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:17:38,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:38,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:39,514 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 56 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:40,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:40,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 425 states and 549 transitions. [2023-11-24 22:17:40,953 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 549 transitions. [2023-11-24 22:17:40,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:17:40,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:40,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:41,139 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:41,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:41,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 426 states and 549 transitions. [2023-11-24 22:17:41,496 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 549 transitions. [2023-11-24 22:17:41,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:17:41,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:41,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:41,864 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:43,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:43,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 428 states and 555 transitions. [2023-11-24 22:17:43,117 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 555 transitions. [2023-11-24 22:17:43,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:17:43,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:43,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:43,354 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:44,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:44,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 430 states and 561 transitions. [2023-11-24 22:17:44,374 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 561 transitions. [2023-11-24 22:17:44,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:17:44,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:44,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:44,553 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:45,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:45,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 431 states and 561 transitions. [2023-11-24 22:17:45,018 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 561 transitions. [2023-11-24 22:17:45,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:17:45,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:45,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:45,701 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 72 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:46,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:46,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 433 states and 562 transitions. [2023-11-24 22:17:46,990 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 562 transitions. [2023-11-24 22:17:46,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:17:46,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:46,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:47,356 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 72 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:48,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:48,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 397 states and 443 transitions. [2023-11-24 22:17:48,017 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 443 transitions. [2023-11-24 22:17:48,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:17:48,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:48,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:48,113 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-24 22:17:48,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:48,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 394 states and 440 transitions. [2023-11-24 22:17:48,407 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 440 transitions. [2023-11-24 22:17:48,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:17:48,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:48,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:49,111 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.