./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9c5dd-1139-4feb-b206-1798d761b802/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9c5dd-1139-4feb-b206-1798d761b802/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9c5dd-1139-4feb-b206-1798d761b802/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9c5dd-1139-4feb-b206-1798d761b802/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9c5dd-1139-4feb-b206-1798d761b802/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9c5dd-1139-4feb-b206-1798d761b802/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63cd3e528fa28694be9f2ecbe948122395c3f48db5408253e949dc50f2a74038 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:57,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:57,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9c5dd-1139-4feb-b206-1798d761b802/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:01:57,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:01:57,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:01:57,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:57,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:01:57,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:01:57,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:57,425 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:57,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:57,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:01:57,426 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:01:57,428 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:01:57,428 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:01:57,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:57,429 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:01:57,430 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:57,430 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:01:57,431 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:01:57,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:01:57,432 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:57,433 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:57,433 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:57,434 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:57,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:57,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:57,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:57,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:57,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:01:57,437 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:01:57,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:01:57,438 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:01:57,438 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_f1d9c5dd-1139-4feb-b206-1798d761b802/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9c5dd-1139-4feb-b206-1798d761b802/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63cd3e528fa28694be9f2ecbe948122395c3f48db5408253e949dc50f2a74038 [2023-11-24 23:01:57,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:57,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:57,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:57,781 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:57,781 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:57,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9c5dd-1139-4feb-b206-1798d761b802/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound50.c [2023-11-24 23:02:00,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:01,151 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:01,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9c5dd-1139-4feb-b206-1798d761b802/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound50.c [2023-11-24 23:02:01,160 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9c5dd-1139-4feb-b206-1798d761b802/bin/ukojak-verify-afCqCEvfdi/data/91ad0429d/da6eaa029cdc4d04aa03034bf039f95d/FLAGa600a0ea6 [2023-11-24 23:02:01,178 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9c5dd-1139-4feb-b206-1798d761b802/bin/ukojak-verify-afCqCEvfdi/data/91ad0429d/da6eaa029cdc4d04aa03034bf039f95d [2023-11-24 23:02:01,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:01,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:01,184 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:01,184 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:01,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:01,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:01" (1/1) ... [2023-11-24 23:02:01,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@388319b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:01, skipping insertion in model container [2023-11-24 23:02:01,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:01" (1/1) ... [2023-11-24 23:02:01,215 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:01,390 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9c5dd-1139-4feb-b206-1798d761b802/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound50.c[526,539] [2023-11-24 23:02:01,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:01,438 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:01,455 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9c5dd-1139-4feb-b206-1798d761b802/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound50.c[526,539] [2023-11-24 23:02:01,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:01,489 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:01,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:01 WrapperNode [2023-11-24 23:02:01,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:01,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:01,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:01,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:01,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:01" (1/1) ... [2023-11-24 23:02:01,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:01" (1/1) ... [2023-11-24 23:02:01,536 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2023-11-24 23:02:01,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:01,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:01,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:01,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:01,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:01" (1/1) ... [2023-11-24 23:02:01,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:01" (1/1) ... [2023-11-24 23:02:01,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:01" (1/1) ... [2023-11-24 23:02:01,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:01" (1/1) ... [2023-11-24 23:02:01,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:01" (1/1) ... [2023-11-24 23:02:01,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:01" (1/1) ... [2023-11-24 23:02:01,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:01" (1/1) ... [2023-11-24 23:02:01,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:01" (1/1) ... [2023-11-24 23:02:01,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:01,581 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:01,581 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:01,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:01,582 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:01" (1/1) ... [2023-11-24 23:02:01,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:01,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9c5dd-1139-4feb-b206-1798d761b802/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:01,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9c5dd-1139-4feb-b206-1798d761b802/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:01,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9c5dd-1139-4feb-b206-1798d761b802/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:01,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:01,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:02:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:01,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:02:01,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:02:01,756 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:01,758 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:01,990 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:02,094 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:02,097 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:02:02,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:02 BoogieIcfgContainer [2023-11-24 23:02:02,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:02,101 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:02,101 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:02,116 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:02,116 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:02" (1/1) ... [2023-11-24 23:02:02,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:02,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:02,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-24 23:02:02,196 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-24 23:02:02,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:02:02,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:02,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:02,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:02,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:02,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 38 transitions. [2023-11-24 23:02:02,684 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-11-24 23:02:02,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:02:02,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:02,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:02,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:02,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:02,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 42 transitions. [2023-11-24 23:02:02,901 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2023-11-24 23:02:02,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:02:02,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:02,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:02,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:02:02,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:03,280 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:02:03,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:03,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2023-11-24 23:02:03,906 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2023-11-24 23:02:03,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:02:03,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:03,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:03,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:02:03,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:04,019 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:02:04,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:04,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 54 transitions. [2023-11-24 23:02:04,276 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2023-11-24 23:02:04,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:02:04,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:04,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:04,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:02:04,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:04,444 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:02:04,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:04,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 59 transitions. [2023-11-24 23:02:04,665 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2023-11-24 23:02:04,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:02:04,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:04,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:04,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:02:04,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:04,836 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 23:02:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:05,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 69 transitions. [2023-11-24 23:02:05,532 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2023-11-24 23:02:05,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:02:05,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:05,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:05,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:02:05,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:05,685 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 23:02:05,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:05,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 77 transitions. [2023-11-24 23:02:05,848 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 77 transitions. [2023-11-24 23:02:05,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:02:05,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:05,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:05,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:02:05,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:05,954 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-24 23:02:06,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:06,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 85 transitions. [2023-11-24 23:02:06,338 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2023-11-24 23:02:06,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:02:06,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:06,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:06,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:02:06,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:06,484 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 23:02:06,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:06,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 50 states and 86 transitions. [2023-11-24 23:02:06,835 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2023-11-24 23:02:06,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:02:06,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:06,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:06,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:02:06,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:07,023 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-24 23:02:07,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:07,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 50 states and 85 transitions. [2023-11-24 23:02:07,293 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2023-11-24 23:02:07,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 23:02:07,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:07,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:07,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:02:07,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:07,534 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 23:02:08,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:08,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 55 states and 95 transitions. [2023-11-24 23:02:08,404 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 95 transitions. [2023-11-24 23:02:08,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 23:02:08,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:08,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:08,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:02:08,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:08,848 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 15 proven. 29 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 23:02:09,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:09,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 61 states and 110 transitions. [2023-11-24 23:02:09,608 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 110 transitions. [2023-11-24 23:02:09,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:02:09,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:09,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:09,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:02:09,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:09,822 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 17 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-24 23:02:10,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:10,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 115 transitions. [2023-11-24 23:02:10,067 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 115 transitions. [2023-11-24 23:02:10,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:02:10,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:10,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:10,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:02:10,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:10,220 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-24 23:02:10,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:10,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 63 states and 114 transitions. [2023-11-24 23:02:10,488 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 114 transitions. [2023-11-24 23:02:10,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 23:02:10,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:10,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:10,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 23:02:10,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:10,984 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 19 proven. 37 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-24 23:02:11,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:11,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 66 states and 120 transitions. [2023-11-24 23:02:11,712 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 120 transitions. [2023-11-24 23:02:11,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 23:02:11,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:11,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:11,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:02:11,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:11,987 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 21 proven. 58 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 23:02:13,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:13,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 71 states and 130 transitions. [2023-11-24 23:02:13,122 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 130 transitions. [2023-11-24 23:02:13,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 23:02:13,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:13,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:13,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 23:02:13,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:13,330 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-24 23:02:13,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:13,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 71 states and 129 transitions. [2023-11-24 23:02:13,759 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 129 transitions. [2023-11-24 23:02:13,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 23:02:13,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:13,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:13,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:02:13,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:14,229 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 21 proven. 48 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 23:02:15,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:15,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 77 states and 144 transitions. [2023-11-24 23:02:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 144 transitions. [2023-11-24 23:02:15,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-24 23:02:15,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:15,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:15,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:02:15,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:15,437 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 23 proven. 52 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-24 23:02:15,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:15,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 79 states and 149 transitions. [2023-11-24 23:02:15,709 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 149 transitions. [2023-11-24 23:02:15,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-24 23:02:15,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:15,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:15,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:02:15,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:15,914 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 23 proven. 34 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-11-24 23:02:16,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:16,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 79 states and 148 transitions. [2023-11-24 23:02:16,205 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 148 transitions. [2023-11-24 23:02:16,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-24 23:02:16,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:16,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:16,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:02:16,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:16,502 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 41 proven. 4 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-24 23:02:17,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:17,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 81 states and 158 transitions. [2023-11-24 23:02:17,368 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 158 transitions. [2023-11-24 23:02:17,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-24 23:02:17,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:17,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:17,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-24 23:02:17,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 54 proven. 61 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-11-24 23:02:18,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:18,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 85 states and 171 transitions. [2023-11-24 23:02:18,950 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 171 transitions. [2023-11-24 23:02:18,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-24 23:02:18,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:18,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:18,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:02:19,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:19,263 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 27 proven. 86 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-24 23:02:20,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:20,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 90 states and 181 transitions. [2023-11-24 23:02:20,593 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 181 transitions. [2023-11-24 23:02:20,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-24 23:02:20,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:20,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:20,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-24 23:02:20,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:21,289 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 27 proven. 65 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-24 23:02:22,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:22,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 100 states and 200 transitions. [2023-11-24 23:02:22,525 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 200 transitions. [2023-11-24 23:02:22,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-24 23:02:22,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:22,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:22,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:02:22,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:22,767 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 27 proven. 65 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-24 23:02:23,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:23,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 102 states and 205 transitions. [2023-11-24 23:02:23,135 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 205 transitions. [2023-11-24 23:02:23,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-24 23:02:23,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:23,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:23,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 23:02:23,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:23,730 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 27 proven. 72 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-24 23:02:25,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:25,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 108 states and 222 transitions. [2023-11-24 23:02:25,105 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 222 transitions. [2023-11-24 23:02:25,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-24 23:02:25,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:25,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:25,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:02:25,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:25,373 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 29 proven. 76 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-11-24 23:02:25,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:25,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 110 states and 227 transitions. [2023-11-24 23:02:25,740 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 227 transitions. [2023-11-24 23:02:25,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-24 23:02:25,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:25,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:25,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:02:25,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:26,070 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 29 proven. 43 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2023-11-24 23:02:26,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:26,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 110 states and 226 transitions. [2023-11-24 23:02:26,600 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 226 transitions. [2023-11-24 23:02:26,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-24 23:02:26,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:26,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:26,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-24 23:02:26,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:27,641 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 29 proven. 70 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-11-24 23:02:29,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:29,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 115 states and 237 transitions. [2023-11-24 23:02:29,882 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 237 transitions. [2023-11-24 23:02:29,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-24 23:02:29,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:29,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:29,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:29,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-24 23:02:29,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:30,448 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 29 proven. 70 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-11-24 23:02:30,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:30,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 117 states and 240 transitions. [2023-11-24 23:02:30,893 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 240 transitions. [2023-11-24 23:02:30,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-24 23:02:30,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:30,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:30,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-24 23:02:30,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:31,152 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 31 proven. 73 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-24 23:02:31,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:31,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 117 states and 239 transitions. [2023-11-24 23:02:31,859 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 239 transitions. [2023-11-24 23:02:31,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-24 23:02:31,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:31,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:31,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-24 23:02:31,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:32,579 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 31 proven. 84 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-24 23:02:34,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:34,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 121 states and 252 transitions. [2023-11-24 23:02:34,216 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 252 transitions. [2023-11-24 23:02:34,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-24 23:02:34,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:34,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:34,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-24 23:02:34,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:35,213 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 33 proven. 119 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-24 23:02:38,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:38,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 126 states and 263 transitions. [2023-11-24 23:02:38,356 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 263 transitions. [2023-11-24 23:02:38,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-24 23:02:38,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:38,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:38,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-24 23:02:38,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:38,915 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 33 proven. 89 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-24 23:02:39,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:39,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 128 states and 268 transitions. [2023-11-24 23:02:39,604 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 268 transitions. [2023-11-24 23:02:39,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-24 23:02:39,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:39,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:39,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-24 23:02:39,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:39,983 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 33 proven. 89 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-24 23:02:40,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:40,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 130 states and 273 transitions. [2023-11-24 23:02:40,406 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 273 transitions. [2023-11-24 23:02:40,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-24 23:02:40,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:40,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:40,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-24 23:02:40,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:41,113 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 33 proven. 101 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-24 23:02:43,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:43,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 137 states and 292 transitions. [2023-11-24 23:02:43,227 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 292 transitions. [2023-11-24 23:02:43,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-24 23:02:43,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:43,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:43,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 23:02:43,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:43,507 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 35 proven. 105 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-24 23:02:43,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:43,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 139 states and 297 transitions. [2023-11-24 23:02:43,977 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 297 transitions. [2023-11-24 23:02:43,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-24 23:02:43,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:43,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:44,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:02:44,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 35 proven. 52 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2023-11-24 23:02:44,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:44,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 139 states and 296 transitions. [2023-11-24 23:02:44,763 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 296 transitions. [2023-11-24 23:02:44,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-24 23:02:44,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:44,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:44,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-24 23:02:44,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:46,182 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 35 proven. 100 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-24 23:02:49,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:49,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 153 states and 329 transitions. [2023-11-24 23:02:49,923 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 329 transitions. [2023-11-24 23:02:49,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-24 23:02:49,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:49,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:50,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-24 23:02:50,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:50,965 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 35 proven. 100 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked.