./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5dac5c-49f0-40f5-8b09-1ddc238795b1/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5dac5c-49f0-40f5-8b09-1ddc238795b1/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5dac5c-49f0-40f5-8b09-1ddc238795b1/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5dac5c-49f0-40f5-8b09-1ddc238795b1/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5dac5c-49f0-40f5-8b09-1ddc238795b1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5dac5c-49f0-40f5-8b09-1ddc238795b1/bin/ukojak-verify-G8NBE6pJGL --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 34fd2c5bce28a2f0a39de6b9c2d306403d911c32b4998862fc7a657ddcb319f4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:05:46,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:05:46,743 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5dac5c-49f0-40f5-8b09-1ddc238795b1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:05:46,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:05:46,750 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:05:46,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:05:46,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:05:46,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:05:46,781 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:05:46,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:05:46,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:05:46,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:05:46,784 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:05:46,785 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:05:46,786 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:05:46,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:05:46,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:05:46,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:05:46,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:05:46,789 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:05:46,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:05:46,791 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:05:46,791 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:05:46,792 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:05:46,793 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:05:46,793 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:05:46,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:46,795 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:05:46,795 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:05:46,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:05:46,796 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:05:46,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:05:46,798 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:05:46,798 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_6e5dac5c-49f0-40f5-8b09-1ddc238795b1/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5dac5c-49f0-40f5-8b09-1ddc238795b1/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34fd2c5bce28a2f0a39de6b9c2d306403d911c32b4998862fc7a657ddcb319f4 [2023-11-19 04:05:47,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:05:47,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:05:47,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:05:47,141 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:05:47,141 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:05:47,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5dac5c-49f0-40f5-8b09-1ddc238795b1/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c [2023-11-19 04:05:50,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:05:50,893 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:05:50,894 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5dac5c-49f0-40f5-8b09-1ddc238795b1/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c [2023-11-19 04:05:50,903 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5dac5c-49f0-40f5-8b09-1ddc238795b1/bin/ukojak-verify-G8NBE6pJGL/data/18e84b844/0d9037bc9f254c369f404921fbc5d08d/FLAG5407eacbb [2023-11-19 04:05:50,919 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5dac5c-49f0-40f5-8b09-1ddc238795b1/bin/ukojak-verify-G8NBE6pJGL/data/18e84b844/0d9037bc9f254c369f404921fbc5d08d [2023-11-19 04:05:50,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:05:50,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:05:50,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:50,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:05:50,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:05:50,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:50" (1/1) ... [2023-11-19 04:05:50,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7a7ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:50, skipping insertion in model container [2023-11-19 04:05:50,935 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:50" (1/1) ... [2023-11-19 04:05:50,963 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:05:51,159 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_6e5dac5c-49f0-40f5-8b09-1ddc238795b1/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c[458,471] [2023-11-19 04:05:51,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:51,192 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:05:51,205 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_6e5dac5c-49f0-40f5-8b09-1ddc238795b1/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c[458,471] [2023-11-19 04:05:51,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:51,231 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:05:51,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:51 WrapperNode [2023-11-19 04:05:51,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:51,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:51,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:05:51,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:05:51,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:51" (1/1) ... [2023-11-19 04:05:51,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:51" (1/1) ... [2023-11-19 04:05:51,272 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2023-11-19 04:05:51,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:51,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:05:51,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:05:51,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:05:51,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:51" (1/1) ... [2023-11-19 04:05:51,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:51" (1/1) ... [2023-11-19 04:05:51,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:51" (1/1) ... [2023-11-19 04:05:51,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:51" (1/1) ... [2023-11-19 04:05:51,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:51" (1/1) ... [2023-11-19 04:05:51,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:51" (1/1) ... [2023-11-19 04:05:51,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:51" (1/1) ... [2023-11-19 04:05:51,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:51" (1/1) ... [2023-11-19 04:05:51,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:05:51,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:05:51,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:05:51,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:05:51,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:51" (1/1) ... [2023-11-19 04:05:51,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:51,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5dac5c-49f0-40f5-8b09-1ddc238795b1/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:05:51,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5dac5c-49f0-40f5-8b09-1ddc238795b1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:05:51,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5dac5c-49f0-40f5-8b09-1ddc238795b1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:05:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:05:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:05:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:05:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:05:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:05:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:05:51,483 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:05:51,486 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:05:51,636 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:05:51,660 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:05:51,660 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:05:51,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:51 BoogieIcfgContainer [2023-11-19 04:05:51,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:05:51,670 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:05:51,670 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:05:51,681 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:05:51,681 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:51" (1/1) ... [2023-11-19 04:05:51,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:05:51,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:51,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-19 04:05:51,752 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-19 04:05:51,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:05:51,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:51,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:51,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:05:51,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:51,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:51,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:51,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-19 04:05:51,999 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-19 04:05:52,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:05:52,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:52,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:52,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:05:52,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:52,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:52,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:52,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 04:05:52,300 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 04:05:52,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:05:52,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:52,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:52,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:05:52,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:52,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:52,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:52,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-19 04:05:52,763 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-19 04:05:52,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:05:52,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:52,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:52,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:05:52,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:52,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:53,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:53,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2023-11-19 04:05:53,013 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2023-11-19 04:05:53,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:05:53,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:53,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:53,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:05:53,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:53,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:54,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:54,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 32 states and 62 transitions. [2023-11-19 04:05:54,110 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 62 transitions. [2023-11-19 04:05:54,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:05:54,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:54,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:54,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:05:54,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:54,292 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:54,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:54,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 36 states and 73 transitions. [2023-11-19 04:05:54,905 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 73 transitions. [2023-11-19 04:05:54,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:05:54,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:54,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:54,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:05:54,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:55,095 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:55,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:55,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 79 transitions. [2023-11-19 04:05:55,955 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2023-11-19 04:05:55,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:05:55,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:55,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:55,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:05:55,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:56,037 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:05:56,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:56,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 42 states and 89 transitions. [2023-11-19 04:05:56,207 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 89 transitions. [2023-11-19 04:05:56,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:05:56,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:56,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:56,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:05:56,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:56,629 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:05:58,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:58,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 51 states and 120 transitions. [2023-11-19 04:05:58,451 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 120 transitions. [2023-11-19 04:05:58,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:05:58,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:58,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:58,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:05:58,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:58,693 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:05:59,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:59,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 53 states and 122 transitions. [2023-11-19 04:05:59,354 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 122 transitions. [2023-11-19 04:05:59,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:05:59,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:59,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:59,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:05:59,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:59,563 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:01,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:01,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 61 states and 162 transitions. [2023-11-19 04:06:01,411 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 162 transitions. [2023-11-19 04:06:01,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:06:01,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:01,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:01,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:06:01,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:01,604 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:06:02,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:02,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 65 states and 178 transitions. [2023-11-19 04:06:02,665 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 178 transitions. [2023-11-19 04:06:02,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:06:02,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:02,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:02,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:06:02,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:02,774 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:06:03,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:03,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 67 states and 180 transitions. [2023-11-19 04:06:03,369 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 180 transitions. [2023-11-19 04:06:03,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:06:03,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:03,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:03,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:06:03,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:03,462 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:03,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:03,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 67 states and 179 transitions. [2023-11-19 04:06:03,772 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 179 transitions. [2023-11-19 04:06:03,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:06:03,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:03,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:03,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:06:03,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:03,891 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:06:04,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:04,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 69 states and 181 transitions. [2023-11-19 04:06:04,493 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 181 transitions. [2023-11-19 04:06:04,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:06:04,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:04,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:04,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:06:04,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:04,766 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 04:06:05,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:05,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 71 states and 196 transitions. [2023-11-19 04:06:05,688 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 196 transitions. [2023-11-19 04:06:05,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:06:05,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:05,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:05,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 04:06:05,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:06,115 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:06:08,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:08,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 80 states and 239 transitions. [2023-11-19 04:06:08,697 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 239 transitions. [2023-11-19 04:06:08,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:06:08,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:08,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:08,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 04:06:08,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:08,948 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:06:10,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:10,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 84 states and 242 transitions. [2023-11-19 04:06:10,476 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 242 transitions. [2023-11-19 04:06:10,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:06:10,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:10,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:10,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 04:06:10,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:10,586 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:06:11,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:11,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 86 states and 244 transitions. [2023-11-19 04:06:11,379 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 244 transitions. [2023-11-19 04:06:11,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:06:11,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:11,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:11,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 04:06:11,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:11,615 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:06:13,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 92 states and 266 transitions. [2023-11-19 04:06:13,792 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 266 transitions. [2023-11-19 04:06:13,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:06:13,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:13,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:13,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:06:13,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:13,926 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:06:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:14,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 94 states and 268 transitions. [2023-11-19 04:06:14,755 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 268 transitions. [2023-11-19 04:06:14,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:06:14,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:14,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:14,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:06:14,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:14,876 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:06:15,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:15,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 96 states and 270 transitions. [2023-11-19 04:06:15,756 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 270 transitions. [2023-11-19 04:06:15,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:06:15,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:15,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:15,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:06:15,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:16,054 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:18,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:18,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 104 states and 328 transitions. [2023-11-19 04:06:18,744 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 328 transitions. [2023-11-19 04:06:18,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:06:18,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:18,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:18,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:06:18,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:18,869 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:06:19,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:19,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 106 states and 330 transitions. [2023-11-19 04:06:19,795 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 330 transitions. [2023-11-19 04:06:19,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:06:19,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:19,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:19,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:06:19,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:19,880 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:20,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:20,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 106 states and 329 transitions. [2023-11-19 04:06:20,350 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 329 transitions. [2023-11-19 04:06:20,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:06:20,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:20,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:20,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:06:20,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:20,452 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:20,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:21,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 106 states and 328 transitions. [2023-11-19 04:06:21,000 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 328 transitions. [2023-11-19 04:06:21,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:06:21,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:21,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:21,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:06:21,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:21,090 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 04:06:21,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:21,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 107 states and 334 transitions. [2023-11-19 04:06:21,675 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 334 transitions. [2023-11-19 04:06:21,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:06:21,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:21,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:21,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:06:21,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:22,238 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:06:26,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:26,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 116 states and 388 transitions. [2023-11-19 04:06:26,596 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 388 transitions. [2023-11-19 04:06:26,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:06:26,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:26,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:26,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 04:06:26,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:26,950 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:06:28,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:28,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 118 states and 390 transitions. [2023-11-19 04:06:28,301 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 390 transitions. [2023-11-19 04:06:28,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:06:28,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:28,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:28,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:06:28,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:28,430 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:06:29,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:29,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 120 states and 392 transitions. [2023-11-19 04:06:29,553 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 392 transitions. [2023-11-19 04:06:29,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:06:29,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:29,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:29,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:06:29,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:29,672 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:06:30,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:30,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 122 states and 394 transitions. [2023-11-19 04:06:30,750 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 394 transitions. [2023-11-19 04:06:30,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:06:30,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:30,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:30,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-19 04:06:30,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:30,918 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 11 proven. 30 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 04:06:31,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:31,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 124 states and 395 transitions. [2023-11-19 04:06:31,926 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 395 transitions. [2023-11-19 04:06:31,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:06:31,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:31,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:31,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:06:31,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:32,064 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:06:33,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:33,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 126 states and 396 transitions. [2023-11-19 04:06:33,115 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 396 transitions. [2023-11-19 04:06:33,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:06:33,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:33,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:33,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:06:33,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:33,428 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:06:35,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:35,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 130 states and 417 transitions. [2023-11-19 04:06:35,331 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 417 transitions. [2023-11-19 04:06:35,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:06:35,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:35,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:35,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:06:35,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:35,913 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:39,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:39,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 138 states and 490 transitions. [2023-11-19 04:06:39,419 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 490 transitions. [2023-11-19 04:06:39,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:06:39,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:39,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:39,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:06:39,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:39,557 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:06:40,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:40,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 140 states and 492 transitions. [2023-11-19 04:06:40,790 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 492 transitions. [2023-11-19 04:06:40,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:06:40,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:40,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:40,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:06:40,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:41,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:41,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 140 states and 491 transitions. [2023-11-19 04:06:41,447 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 491 transitions. [2023-11-19 04:06:41,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:06:41,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:41,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:41,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:06:41,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:41,577 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.