./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/ps2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e32db47-6eb2-4f2a-9760-96389be3024a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e32db47-6eb2-4f2a-9760-96389be3024a/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e32db47-6eb2-4f2a-9760-96389be3024a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e32db47-6eb2-4f2a-9760-96389be3024a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e32db47-6eb2-4f2a-9760-96389be3024a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e32db47-6eb2-4f2a-9760-96389be3024a/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 25490720cd12fbf92ba4299aab4e23d4e509bef5b5242c3c32f3ef2d8d785b67 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:06:14,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:06:14,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e32db47-6eb2-4f2a-9760-96389be3024a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:06:14,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:06:14,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:06:14,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:06:14,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:06:14,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:06:14,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:06:14,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:06:14,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:06:14,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:06:14,941 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:06:14,942 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:06:14,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:06:14,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:06:14,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:06:14,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:06:14,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:06:14,945 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:06:14,945 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:06:14,946 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:06:14,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:06:14,947 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:06:14,947 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:06:14,948 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:06:14,948 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:06:14,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:06:14,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:14,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:06:14,950 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:06:14,950 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:06:14,951 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:06:14,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:06:14,952 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:06:14,952 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_4e32db47-6eb2-4f2a-9760-96389be3024a/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e32db47-6eb2-4f2a-9760-96389be3024a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25490720cd12fbf92ba4299aab4e23d4e509bef5b5242c3c32f3ef2d8d785b67 [2023-11-23 20:06:15,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:06:15,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:06:15,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:06:15,269 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:06:15,269 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:06:15,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e32db47-6eb2-4f2a-9760-96389be3024a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench/ps2.c [2023-11-23 20:06:18,479 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:06:18,769 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:06:18,770 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e32db47-6eb2-4f2a-9760-96389be3024a/sv-benchmarks/c/nla-digbench/ps2.c [2023-11-23 20:06:18,780 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e32db47-6eb2-4f2a-9760-96389be3024a/bin/ukojak-verify-1t5iHCbJaC/data/28b0239e1/87b3dc4ffcfb4ef58d4fb6fcfda954af/FLAGc708f0f06 [2023-11-23 20:06:18,803 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e32db47-6eb2-4f2a-9760-96389be3024a/bin/ukojak-verify-1t5iHCbJaC/data/28b0239e1/87b3dc4ffcfb4ef58d4fb6fcfda954af [2023-11-23 20:06:18,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:06:18,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:06:18,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:18,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:06:18,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:06:18,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:18" (1/1) ... [2023-11-23 20:06:18,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fefbedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:18, skipping insertion in model container [2023-11-23 20:06:18,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:18" (1/1) ... [2023-11-23 20:06:18,861 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:06:19,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:19,075 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:06:19,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:19,113 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:06:19,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19 WrapperNode [2023-11-23 20:06:19,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:19,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:19,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:06:19,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:06:19,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,159 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-11-23 20:06:19,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:19,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:06:19,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:06:19,160 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:06:19,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,178 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:06:19,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:06:19,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:06:19,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:06:19,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:19,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e32db47-6eb2-4f2a-9760-96389be3024a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:06:19,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e32db47-6eb2-4f2a-9760-96389be3024a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:06:19,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e32db47-6eb2-4f2a-9760-96389be3024a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:06:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:06:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:06:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:06:19,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:06:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:06:19,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:06:19,358 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:06:19,361 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:06:19,589 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:06:19,642 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:06:19,647 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:06:19,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:19 BoogieIcfgContainer [2023-11-23 20:06:19,649 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:06:19,650 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:06:19,650 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:06:19,661 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:06:19,661 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:06:19,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:19,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 53 states and 55 transitions. [2023-11-23 20:06:19,744 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2023-11-23 20:06:19,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:06:19,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:19,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:19,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:19,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:19,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 52 states and 53 transitions. [2023-11-23 20:06:19,970 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2023-11-23 20:06:19,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:06:19,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:19,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:20,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:06:20,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:20,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:20,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:20,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 55 states and 57 transitions. [2023-11-23 20:06:20,125 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2023-11-23 20:06:20,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:06:20,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:20,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:20,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:20,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:20,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:20,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:20,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 59 states and 63 transitions. [2023-11-23 20:06:20,347 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2023-11-23 20:06:20,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:06:20,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:20,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:20,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:20,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:20,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:20,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:20,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 64 states and 70 transitions. [2023-11-23 20:06:20,570 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2023-11-23 20:06:20,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:06:20,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:20,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:20,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:06:20,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:20,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:20,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 65 states and 71 transitions. [2023-11-23 20:06:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2023-11-23 20:06:20,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:06:20,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:20,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:20,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:06:20,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:20,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:21,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:21,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 68 states and 75 transitions. [2023-11-23 20:06:21,057 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2023-11-23 20:06:21,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:06:21,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:21,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:21,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:06:21,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:21,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:21,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:21,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2023-11-23 20:06:21,362 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2023-11-23 20:06:21,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:06:21,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:21,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:21,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:06:21,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:21,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:21,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:21,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2023-11-23 20:06:21,807 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2023-11-23 20:06:21,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:06:21,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:21,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:21,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:21,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:21,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:22,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:22,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 91 states and 106 transitions. [2023-11-23 20:06:22,308 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2023-11-23 20:06:22,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:06:22,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:22,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:22,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:06:22,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:22,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:22,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:22,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 90 states and 105 transitions. [2023-11-23 20:06:22,348 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2023-11-23 20:06:22,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:06:22,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:22,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:22,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:22,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:22,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:22,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:22,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 103 states and 123 transitions. [2023-11-23 20:06:22,901 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2023-11-23 20:06:22,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:06:22,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:22,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:22,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:22,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:23,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:23,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:23,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 107 states and 131 transitions. [2023-11-23 20:06:23,292 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 131 transitions. [2023-11-23 20:06:23,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:06:23,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:23,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:23,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:23,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:23,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:24,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:24,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 113 states and 144 transitions. [2023-11-23 20:06:24,075 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 144 transitions. [2023-11-23 20:06:24,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:06:24,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:24,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:24,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:24,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:24,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:24,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:24,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 116 states and 149 transitions. [2023-11-23 20:06:24,600 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 149 transitions. [2023-11-23 20:06:24,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:06:24,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:24,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:24,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:24,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:24,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:25,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:25,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 122 states and 160 transitions. [2023-11-23 20:06:25,300 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 160 transitions. [2023-11-23 20:06:25,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:06:25,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:25,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:25,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:25,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:25,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:26,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:26,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 129 states and 173 transitions. [2023-11-23 20:06:26,058 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 173 transitions. [2023-11-23 20:06:26,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:06:26,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:26,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:26,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:06:26,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:26,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:26,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 136 states and 185 transitions. [2023-11-23 20:06:26,925 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 185 transitions. [2023-11-23 20:06:26,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:06:26,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:26,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:26,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:26,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:27,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:27,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:27,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 135 states and 184 transitions. [2023-11-23 20:06:27,133 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 184 transitions. [2023-11-23 20:06:27,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:06:27,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:27,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:27,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:06:27,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:27,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:28,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:28,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 144 states and 198 transitions. [2023-11-23 20:06:28,149 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 198 transitions. [2023-11-23 20:06:28,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:06:28,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:28,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:28,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:28,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:28,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:29,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:29,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 150 states and 208 transitions. [2023-11-23 20:06:29,062 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2023-11-23 20:06:29,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:06:29,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:29,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:29,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:29,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:29,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:29,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:29,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 149 states and 207 transitions. [2023-11-23 20:06:29,897 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 207 transitions. [2023-11-23 20:06:29,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:06:29,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:29,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:29,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:29,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:30,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:31,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:31,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 157 states and 217 transitions. [2023-11-23 20:06:31,406 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 217 transitions. [2023-11-23 20:06:31,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:06:31,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:31,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:31,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:06:31,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:31,529 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:31,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:31,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 161 states and 225 transitions. [2023-11-23 20:06:31,791 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 225 transitions. [2023-11-23 20:06:31,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:06:31,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:31,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:31,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:06:31,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:32,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:32,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 165 states and 228 transitions. [2023-11-23 20:06:32,121 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 228 transitions. [2023-11-23 20:06:32,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:06:32,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:32,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:32,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:06:32,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:32,269 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:32,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:32,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 170 states and 235 transitions. [2023-11-23 20:06:32,607 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 235 transitions. [2023-11-23 20:06:32,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:06:32,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:32,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:32,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:06:32,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:32,775 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:33,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:33,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 173 states and 238 transitions. [2023-11-23 20:06:33,208 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 238 transitions. [2023-11-23 20:06:33,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:06:33,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:33,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:33,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:06:33,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:33,374 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:34,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:34,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 175 states and 242 transitions. [2023-11-23 20:06:34,035 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 242 transitions. [2023-11-23 20:06:34,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:06:34,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:34,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:34,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:06:34,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:34,329 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:35,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:35,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 178 states and 249 transitions. [2023-11-23 20:06:35,200 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 249 transitions. [2023-11-23 20:06:35,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:06:35,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:35,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:35,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:06:35,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:35,292 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:36,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:36,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 192 states and 264 transitions. [2023-11-23 20:06:36,195 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 264 transitions. [2023-11-23 20:06:36,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:06:36,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:36,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:36,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:06:36,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:36,316 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:37,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:37,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 209 states and 296 transitions. [2023-11-23 20:06:37,633 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 296 transitions. [2023-11-23 20:06:37,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:06:37,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:37,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:37,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:37,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:37,683 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:06:37,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:37,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 211 states and 300 transitions. [2023-11-23 20:06:37,950 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-11-23 20:06:37,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:06:37,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:37,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:37,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:06:37,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:38,053 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:38,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:38,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 215 states and 310 transitions. [2023-11-23 20:06:38,548 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 310 transitions. [2023-11-23 20:06:38,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:06:38,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:38,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:38,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:38,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:38,594 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:06:38,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:38,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 215 states and 309 transitions. [2023-11-23 20:06:38,849 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 309 transitions. [2023-11-23 20:06:38,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:06:38,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:38,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:38,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:06:38,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:40,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:40,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 224 states and 329 transitions. [2023-11-23 20:06:40,207 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 329 transitions. [2023-11-23 20:06:40,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:06:40,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:40,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:40,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:40,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:40,254 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:06:40,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:40,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 229 states and 336 transitions. [2023-11-23 20:06:40,885 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 336 transitions. [2023-11-23 20:06:40,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:06:40,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:40,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:40,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:06:40,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:41,109 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:41,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:41,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 235 states and 346 transitions. [2023-11-23 20:06:41,712 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 346 transitions. [2023-11-23 20:06:41,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:06:41,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:41,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:41,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:06:41,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:41,993 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:43,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:43,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 246 states and 365 transitions. [2023-11-23 20:06:43,031 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 365 transitions. [2023-11-23 20:06:43,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:06:43,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:43,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:43,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:06:43,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:43,218 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:43,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:43,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 251 states and 375 transitions. [2023-11-23 20:06:43,844 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 375 transitions. [2023-11-23 20:06:43,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:06:43,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:43,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:43,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:06:43,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:44,061 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:44,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:44,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 256 states and 380 transitions. [2023-11-23 20:06:44,857 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 380 transitions. [2023-11-23 20:06:44,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:06:44,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:44,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:44,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:06:44,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:45,114 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:45,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 261 states and 388 transitions. [2023-11-23 20:06:45,603 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 388 transitions. [2023-11-23 20:06:45,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:06:45,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:45,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:45,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:06:45,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:45,918 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:46,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:46,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 264 states and 398 transitions. [2023-11-23 20:06:46,773 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 398 transitions. [2023-11-23 20:06:46,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:06:46,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:46,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:46,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:06:46,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:47,052 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:47,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:47,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 267 states and 403 transitions. [2023-11-23 20:06:47,770 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 403 transitions. [2023-11-23 20:06:47,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:06:47,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:47,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:47,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:06:47,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:48,146 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:48,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:48,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 270 states and 408 transitions. [2023-11-23 20:06:48,860 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 408 transitions. [2023-11-23 20:06:48,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:06:48,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:48,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:48,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:06:48,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:49,020 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:06:49,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:49,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 280 states and 417 transitions. [2023-11-23 20:06:49,678 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 417 transitions. [2023-11-23 20:06:49,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:06:49,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:49,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:49,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:06:49,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:49,832 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:06:51,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:51,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 297 states and 455 transitions. [2023-11-23 20:06:51,565 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 455 transitions. [2023-11-23 20:06:51,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:06:51,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:51,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:51,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:51,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:51,637 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-23 20:06:52,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:52,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 299 states and 459 transitions. [2023-11-23 20:06:52,022 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 459 transitions. [2023-11-23 20:06:52,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:06:52,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:52,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:52,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:06:52,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:52,200 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:06:53,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:53,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 306 states and 475 transitions. [2023-11-23 20:06:53,454 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 475 transitions. [2023-11-23 20:06:53,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:06:53,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:53,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:53,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:53,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:53,502 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-23 20:06:53,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:53,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 306 states and 474 transitions. [2023-11-23 20:06:53,881 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 474 transitions. [2023-11-23 20:06:53,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:06:53,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:53,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:53,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:06:53,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:54,087 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:06:55,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:55,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 315 states and 495 transitions. [2023-11-23 20:06:55,701 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 495 transitions. [2023-11-23 20:06:55,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:06:55,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:55,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:55,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:55,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:55,751 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-23 20:06:56,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:56,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 320 states and 502 transitions. [2023-11-23 20:06:56,609 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 502 transitions. [2023-11-23 20:06:56,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:06:56,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:56,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:56,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:06:56,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:56,903 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:06:58,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:58,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 329 states and 516 transitions. [2023-11-23 20:06:58,214 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 516 transitions. [2023-11-23 20:06:58,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:06:58,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:58,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:58,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:06:58,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:58,577 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:00,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:00,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 340 states and 538 transitions. [2023-11-23 20:07:00,100 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 538 transitions. [2023-11-23 20:07:00,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:07:00,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:00,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:00,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:07:00,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:00,327 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:01,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:01,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 345 states and 549 transitions. [2023-11-23 20:07:01,415 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 549 transitions. [2023-11-23 20:07:01,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:07:01,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:01,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:01,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:07:01,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:01,739 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 51 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:02,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:02,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 350 states and 554 transitions. [2023-11-23 20:07:02,717 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 554 transitions. [2023-11-23 20:07:02,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:07:02,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:02,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:02,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:07:02,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:03,135 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:03,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 355 states and 563 transitions. [2023-11-23 20:07:03,872 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 563 transitions. [2023-11-23 20:07:03,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:07:03,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:03,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:03,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:07:03,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:04,252 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:05,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:05,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 358 states and 578 transitions. [2023-11-23 20:07:05,361 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 578 transitions. [2023-11-23 20:07:05,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:07:05,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:05,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:05,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:07:05,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:05,853 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:06,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:06,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 361 states and 585 transitions. [2023-11-23 20:07:06,921 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 585 transitions. [2023-11-23 20:07:06,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:07:06,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:06,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:06,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:07:06,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:07,445 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:08,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:08,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 364 states and 591 transitions. [2023-11-23 20:07:08,464 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 591 transitions. [2023-11-23 20:07:08,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-23 20:07:08,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:08,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:08,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:07:08,507 INFO L285 TraceCheckSpWp]: Computing forward predicates...