./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_e0542d2c-ded3-4b29-b62d-0ac5ac3e41e7/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0542d2c-ded3-4b29-b62d-0ac5ac3e41e7/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0542d2c-ded3-4b29-b62d-0ac5ac3e41e7/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0542d2c-ded3-4b29-b62d-0ac5ac3e41e7/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0542d2c-ded3-4b29-b62d-0ac5ac3e41e7/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0542d2c-ded3-4b29-b62d-0ac5ac3e41e7/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68d290aa6e6a124b20d02df1a641bd7e739f143db7416cdcc7b7048aed53c326 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:57:20,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:57:20,919 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0542d2c-ded3-4b29-b62d-0ac5ac3e41e7/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 19:57:20,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 19:57:20,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 19:57:20,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:57:20,988 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:57:20,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:57:20,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:57:21,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:57:21,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:57:21,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:57:21,003 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 19:57:21,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 19:57:21,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 19:57:21,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:57:21,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:57:21,007 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:57:21,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:57:21,008 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:57:21,009 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:57:21,010 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 19:57:21,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:57:21,011 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:57:21,012 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:57:21,012 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:57:21,013 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:57:21,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:57:21,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:57:21,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:57:21,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:57:21,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:57:21,017 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 19:57:21,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 19:57:21,018 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:57:21,018 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_e0542d2c-ded3-4b29-b62d-0ac5ac3e41e7/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0542d2c-ded3-4b29-b62d-0ac5ac3e41e7/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68d290aa6e6a124b20d02df1a641bd7e739f143db7416cdcc7b7048aed53c326 [2023-11-23 19:57:21,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:57:21,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:57:21,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:57:21,432 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:57:21,432 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:57:21,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0542d2c-ded3-4b29-b62d-0ac5ac3e41e7/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c [2023-11-23 19:57:24,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:57:24,891 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:57:24,892 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0542d2c-ded3-4b29-b62d-0ac5ac3e41e7/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c [2023-11-23 19:57:24,899 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0542d2c-ded3-4b29-b62d-0ac5ac3e41e7/bin/ukojak-verify-1t5iHCbJaC/data/8b41a24c2/6838acdd7f1844c79b07c959cbe61cac/FLAGdfa42c693 [2023-11-23 19:57:24,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0542d2c-ded3-4b29-b62d-0ac5ac3e41e7/bin/ukojak-verify-1t5iHCbJaC/data/8b41a24c2/6838acdd7f1844c79b07c959cbe61cac [2023-11-23 19:57:24,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:57:24,918 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:57:24,920 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:57:24,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:57:24,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:57:24,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:57:24" (1/1) ... [2023-11-23 19:57:24,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67c7a16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:24, skipping insertion in model container [2023-11-23 19:57:24,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:57:24" (1/1) ... [2023-11-23 19:57:24,951 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:57:25,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:57:25,141 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:57:25,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:57:25,175 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:57:25,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25 WrapperNode [2023-11-23 19:57:25,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:57:25,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:57:25,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:57:25,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:57:25,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,229 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 104 [2023-11-23 19:57:25,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:57:25,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:57:25,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:57:25,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:57:25,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,250 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:57:25,257 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:57:25,257 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:57:25,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:57:25,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:57:25,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0542d2c-ded3-4b29-b62d-0ac5ac3e41e7/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:57:25,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0542d2c-ded3-4b29-b62d-0ac5ac3e41e7/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:57:25,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0542d2c-ded3-4b29-b62d-0ac5ac3e41e7/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:57:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 19:57:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 19:57:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:57:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:57:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 19:57:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 19:57:25,400 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:57:25,402 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:57:25,824 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:57:25,879 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 19:57:25,879 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 19:57:25,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:57:25 BoogieIcfgContainer [2023-11-23 19:57:25,881 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 19:57:25,882 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 19:57:25,882 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 19:57:25,893 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 19:57:25,894 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 19:57:25,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:25,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 130 states and 133 transitions. [2023-11-23 19:57:25,992 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 133 transitions. [2023-11-23 19:57:25,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 19:57:25,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:25,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:26,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:26,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:26,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 132 states and 135 transitions. [2023-11-23 19:57:26,285 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 135 transitions. [2023-11-23 19:57:26,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 19:57:26,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:26,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:26,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:26,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:26,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 135 states and 139 transitions. [2023-11-23 19:57:26,442 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 139 transitions. [2023-11-23 19:57:26,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 19:57:26,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:26,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:26,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:26,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:26,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 134 states and 138 transitions. [2023-11-23 19:57:26,473 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 138 transitions. [2023-11-23 19:57:26,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 19:57:26,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:26,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:26,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:26,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:26,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:26,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:26,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 139 states and 146 transitions. [2023-11-23 19:57:26,723 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 146 transitions. [2023-11-23 19:57:26,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 19:57:26,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:26,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:26,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:26,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:26,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:26,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:26,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 140 states and 147 transitions. [2023-11-23 19:57:26,811 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 147 transitions. [2023-11-23 19:57:26,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 19:57:26,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:26,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:26,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:26,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:26,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:26,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:26,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 141 states and 148 transitions. [2023-11-23 19:57:26,897 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2023-11-23 19:57:26,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 19:57:26,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:26,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:26,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:57:26,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:26,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:26,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:26,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 140 states and 147 transitions. [2023-11-23 19:57:26,947 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 147 transitions. [2023-11-23 19:57:26,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 19:57:26,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:26,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:26,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:26,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:26,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:27,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:27,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 142 states and 149 transitions. [2023-11-23 19:57:27,011 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 149 transitions. [2023-11-23 19:57:27,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 19:57:27,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:27,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:27,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:27,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:27,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:27,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:27,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 150 states and 158 transitions. [2023-11-23 19:57:27,211 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 158 transitions. [2023-11-23 19:57:27,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 19:57:27,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:27,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:27,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:57:27,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:27,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:27,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:27,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 158 states and 167 transitions. [2023-11-23 19:57:27,475 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 167 transitions. [2023-11-23 19:57:27,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 19:57:27,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:27,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:27,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:27,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:27,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:27,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:27,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 159 states and 169 transitions. [2023-11-23 19:57:27,581 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2023-11-23 19:57:27,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 19:57:27,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:27,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:27,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:27,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:27,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:27,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:27,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 161 states and 172 transitions. [2023-11-23 19:57:27,686 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 172 transitions. [2023-11-23 19:57:27,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 19:57:27,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:27,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:27,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:57:27,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:27,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:27,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:27,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 160 states and 171 transitions. [2023-11-23 19:57:27,715 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 171 transitions. [2023-11-23 19:57:27,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 19:57:27,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:27,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:27,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:27,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:27,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:27,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:27,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 163 states and 174 transitions. [2023-11-23 19:57:27,792 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 174 transitions. [2023-11-23 19:57:27,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 19:57:27,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:27,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:27,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:27,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:27,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:27,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:27,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 164 states and 175 transitions. [2023-11-23 19:57:27,856 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 175 transitions. [2023-11-23 19:57:27,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 19:57:27,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:27,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:27,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:27,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:27,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:27,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 165 states and 176 transitions. [2023-11-23 19:57:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 176 transitions. [2023-11-23 19:57:27,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 19:57:27,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:27,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:27,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:57:27,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:28,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:28,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:28,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 173 states and 184 transitions. [2023-11-23 19:57:28,123 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 184 transitions. [2023-11-23 19:57:28,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 19:57:28,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:28,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:28,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:57:28,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:28,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:28,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 181 states and 193 transitions. [2023-11-23 19:57:28,284 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 193 transitions. [2023-11-23 19:57:28,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 19:57:28,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:28,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:28,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:57:28,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:28,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:28,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:28,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 180 states and 192 transitions. [2023-11-23 19:57:28,316 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 192 transitions. [2023-11-23 19:57:28,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 19:57:28,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:28,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:28,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:28,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:28,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:28,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:28,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 182 states and 194 transitions. [2023-11-23 19:57:28,469 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 194 transitions. [2023-11-23 19:57:28,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 19:57:28,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:28,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:28,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:57:28,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:28,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:28,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:28,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 186 states and 199 transitions. [2023-11-23 19:57:28,726 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 199 transitions. [2023-11-23 19:57:28,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 19:57:28,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:28,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:28,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:57:28,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:28,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:28,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:28,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 190 states and 204 transitions. [2023-11-23 19:57:28,912 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 204 transitions. [2023-11-23 19:57:28,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 19:57:28,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:28,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:28,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:28,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:28,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:29,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:29,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 193 states and 210 transitions. [2023-11-23 19:57:29,019 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 210 transitions. [2023-11-23 19:57:29,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 19:57:29,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:29,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:29,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:29,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:29,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:29,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:29,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 219 states and 242 transitions. [2023-11-23 19:57:29,509 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 242 transitions. [2023-11-23 19:57:29,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 19:57:29,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:29,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:29,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:29,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:29,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:29,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:29,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 220 states and 243 transitions. [2023-11-23 19:57:29,605 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 243 transitions. [2023-11-23 19:57:29,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 19:57:29,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:29,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:29,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:29,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:29,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:30,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:30,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 247 states and 276 transitions. [2023-11-23 19:57:30,219 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 276 transitions. [2023-11-23 19:57:30,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 19:57:30,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:30,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:30,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:57:30,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:30,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:30,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:30,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 246 states and 275 transitions. [2023-11-23 19:57:30,264 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 275 transitions. [2023-11-23 19:57:30,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 19:57:30,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:30,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:30,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:30,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:30,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:30,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:30,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 249 states and 281 transitions. [2023-11-23 19:57:30,603 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 281 transitions. [2023-11-23 19:57:30,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 19:57:30,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:30,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:30,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:30,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:30,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:30,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:30,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 251 states and 283 transitions. [2023-11-23 19:57:30,941 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 283 transitions. [2023-11-23 19:57:30,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 19:57:30,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:30,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:30,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:30,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:31,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:31,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:31,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 255 states and 290 transitions. [2023-11-23 19:57:31,368 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 290 transitions. [2023-11-23 19:57:31,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 19:57:31,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:31,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:31,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:31,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:31,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:31,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:31,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 258 states and 293 transitions. [2023-11-23 19:57:31,533 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 293 transitions. [2023-11-23 19:57:31,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 19:57:31,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:31,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:31,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:57:31,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:31,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:31,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:31,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 257 states and 292 transitions. [2023-11-23 19:57:31,575 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 292 transitions. [2023-11-23 19:57:31,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 19:57:31,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:31,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:31,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:31,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:31,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:31,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 258 states and 293 transitions. [2023-11-23 19:57:31,663 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 293 transitions. [2023-11-23 19:57:31,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 19:57:31,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:31,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:31,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:57:31,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:31,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:32,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:32,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 264 states and 301 transitions. [2023-11-23 19:57:32,153 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 301 transitions. [2023-11-23 19:57:32,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 19:57:32,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:32,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:32,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:32,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:32,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:32,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:32,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 265 states and 303 transitions. [2023-11-23 19:57:32,300 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 303 transitions. [2023-11-23 19:57:32,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 19:57:32,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:32,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:32,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:32,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:32,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:32,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:32,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 267 states and 305 transitions. [2023-11-23 19:57:32,507 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 305 transitions. [2023-11-23 19:57:32,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 19:57:32,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:32,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:32,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:32,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:32,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:57:33,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:33,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 275 states and 316 transitions. [2023-11-23 19:57:33,003 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 316 transitions. [2023-11-23 19:57:33,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 19:57:33,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:33,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:33,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:33,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:33,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:33,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:33,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 287 states and 334 transitions. [2023-11-23 19:57:33,888 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 334 transitions. [2023-11-23 19:57:33,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 19:57:33,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:33,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:33,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:33,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:34,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:57:34,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:34,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 296 states and 346 transitions. [2023-11-23 19:57:34,525 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 346 transitions. [2023-11-23 19:57:34,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 19:57:34,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:34,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:34,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:34,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:34,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:35,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:35,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 308 states and 367 transitions. [2023-11-23 19:57:35,683 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 367 transitions. [2023-11-23 19:57:35,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 19:57:35,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:35,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:35,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:57:35,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:35,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:57:35,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:35,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 307 states and 366 transitions. [2023-11-23 19:57:35,729 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 366 transitions. [2023-11-23 19:57:35,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 19:57:35,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:35,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:35,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:35,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:57:36,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:36,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 312 states and 372 transitions. [2023-11-23 19:57:36,635 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 372 transitions. [2023-11-23 19:57:36,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 19:57:36,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:36,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:36,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 19:57:36,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:37,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:38,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:38,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 311 states and 367 transitions. [2023-11-23 19:57:38,124 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 367 transitions. [2023-11-23 19:57:38,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 19:57:38,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:38,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:38,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:38,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:38,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:57:39,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:39,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 317 states and 374 transitions. [2023-11-23 19:57:39,760 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 374 transitions. [2023-11-23 19:57:39,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 19:57:39,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:39,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:39,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:57:39,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:40,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:40,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:40,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 320 states and 380 transitions. [2023-11-23 19:57:40,610 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 380 transitions. [2023-11-23 19:57:40,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 19:57:40,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:40,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:40,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:40,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:40,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:57:41,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:41,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 327 states and 388 transitions. [2023-11-23 19:57:41,730 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 388 transitions. [2023-11-23 19:57:41,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 19:57:41,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:41,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:41,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:57:41,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:41,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:57:41,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:41,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 326 states and 387 transitions. [2023-11-23 19:57:41,775 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 387 transitions. [2023-11-23 19:57:41,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 19:57:41,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:41,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:41,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:41,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:42,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:42,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 331 states and 394 transitions. [2023-11-23 19:57:42,165 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 394 transitions. [2023-11-23 19:57:42,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 19:57:42,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:42,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:42,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:42,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:42,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:57:43,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:43,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 340 states and 404 transitions. [2023-11-23 19:57:43,741 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 404 transitions. [2023-11-23 19:57:43,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 19:57:43,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:43,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:43,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:43,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:43,783 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:44,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:44,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 346 states and 412 transitions. [2023-11-23 19:57:44,458 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 412 transitions. [2023-11-23 19:57:44,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 19:57:44,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:44,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:44,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:44,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:57:45,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:45,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 356 states and 423 transitions. [2023-11-23 19:57:45,378 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 423 transitions. [2023-11-23 19:57:45,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 19:57:45,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:45,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:45,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:45,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:45,415 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:46,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:46,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 363 states and 432 transitions. [2023-11-23 19:57:46,149 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 432 transitions. [2023-11-23 19:57:46,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 19:57:46,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:46,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:46,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:46,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:46,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:57:46,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:46,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 362 states and 431 transitions. [2023-11-23 19:57:46,893 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 431 transitions. [2023-11-23 19:57:46,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 19:57:46,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:46,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:46,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:46,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:46,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:57:47,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:47,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 361 states and 430 transitions. [2023-11-23 19:57:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 430 transitions. [2023-11-23 19:57:47,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 19:57:47,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:47,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:47,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:57:47,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:47,708 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:48,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:48,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 370 states and 442 transitions. [2023-11-23 19:57:48,553 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 442 transitions. [2023-11-23 19:57:48,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 19:57:48,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:48,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:48,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:48,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:48,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:57:49,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:49,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 369 states and 441 transitions. [2023-11-23 19:57:49,235 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 441 transitions. [2023-11-23 19:57:49,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 19:57:49,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:49,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:49,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 19:57:49,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:49,801 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:50,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:50,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 375 states and 447 transitions. [2023-11-23 19:57:50,362 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 447 transitions. [2023-11-23 19:57:50,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 19:57:50,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:50,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:50,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:57:50,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:50,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:57:50,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:50,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 374 states and 446 transitions. [2023-11-23 19:57:50,409 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 446 transitions. [2023-11-23 19:57:50,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 19:57:50,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:50,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:50,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:50,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:50,455 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 19:57:51,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:51,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 376 states and 452 transitions. [2023-11-23 19:57:51,086 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 452 transitions. [2023-11-23 19:57:51,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 19:57:51,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:51,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:51,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:51,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:51,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:57:52,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:52,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 375 states and 451 transitions. [2023-11-23 19:57:52,335 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 451 transitions. [2023-11-23 19:57:52,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 19:57:52,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:52,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:52,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:52,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:52,439 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:53,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:53,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 377 states and 454 transitions. [2023-11-23 19:57:53,002 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 454 transitions. [2023-11-23 19:57:53,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 19:57:53,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:53,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:53,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:53,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:53,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:57:54,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:54,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 376 states and 453 transitions. [2023-11-23 19:57:54,358 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 453 transitions. [2023-11-23 19:57:54,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 19:57:54,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:54,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:54,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:54,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:54,462 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:55,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:55,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 380 states and 459 transitions. [2023-11-23 19:57:55,049 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 459 transitions. [2023-11-23 19:57:55,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 19:57:55,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:55,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:55,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:55,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:55,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:57:56,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:56,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 379 states and 458 transitions. [2023-11-23 19:57:56,502 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 458 transitions. [2023-11-23 19:57:56,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 19:57:56,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:56,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:56,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:56,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:56,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:57:59,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:59,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 397 states and 477 transitions. [2023-11-23 19:57:59,833 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 477 transitions. [2023-11-23 19:57:59,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 19:57:59,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:59,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:59,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:57:59,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:59,916 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:59,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:59,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 399 states and 479 transitions. [2023-11-23 19:57:59,951 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 479 transitions. [2023-11-23 19:57:59,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 19:57:59,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:59,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:59,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:59,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:58:00,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:58:02,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:58:02,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 398 states and 478 transitions. [2023-11-23 19:58:02,702 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 478 transitions. [2023-11-23 19:58:02,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 19:58:02,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:58:02,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:58:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:58:02,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:58:02,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:58:03,019 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:58:03,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:58:03,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 399 states and 480 transitions. [2023-11-23 19:58:03,459 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 480 transitions. [2023-11-23 19:58:03,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 19:58:03,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:58:03,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:58:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:58:03,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:58:03,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:58:03,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:58:03,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:58:03,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 398 states and 479 transitions. [2023-11-23 19:58:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 479 transitions. [2023-11-23 19:58:03,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 19:58:03,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:58:03,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:58:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:58:03,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:58:03,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:58:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:58:04,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:58:04,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 400 states and 482 transitions. [2023-11-23 19:58:04,372 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 482 transitions. [2023-11-23 19:58:04,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 19:58:04,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:58:04,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:58:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:58:04,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:58:04,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:58:04,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:58:05,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:58:05,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 399 states and 481 transitions. [2023-11-23 19:58:05,944 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 481 transitions. [2023-11-23 19:58:05,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 19:58:05,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:58:05,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:58:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:58:05,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:58:05,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:58:06,371 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:58:07,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:58:07,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 408 states and 491 transitions. [2023-11-23 19:58:07,854 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 491 transitions. [2023-11-23 19:58:07,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 19:58:07,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:58:07,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:58:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:58:07,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:58:07,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:58:08,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:58:14,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:58:14,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 430 states and 514 transitions. [2023-11-23 19:58:14,386 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 514 transitions. [2023-11-23 19:58:14,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 19:58:14,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:58:14,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:58:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:58:14,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:58:14,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:58:14,482 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:58:15,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:58:15,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 446 states and 533 transitions. [2023-11-23 19:58:15,598 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 533 transitions. [2023-11-23 19:58:15,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 19:58:15,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:58:15,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:58:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:58:15,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:58:15,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:58:15,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 19:58:16,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:58:16,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 445 states and 532 transitions. [2023-11-23 19:58:16,759 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 532 transitions. [2023-11-23 19:58:16,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 19:58:16,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:58:16,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:58:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:58:16,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:58:16,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:58:16,827 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.