./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1fe952d-e8da-4ca4-b2dd-fd2ba2a44ad8/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1fe952d-e8da-4ca4-b2dd-fd2ba2a44ad8/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_f1fe952d-e8da-4ca4-b2dd-fd2ba2a44ad8/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1fe952d-e8da-4ca4-b2dd-fd2ba2a44ad8/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1fe952d-e8da-4ca4-b2dd-fd2ba2a44ad8/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_f1fe952d-e8da-4ca4-b2dd-fd2ba2a44ad8/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 52ed361cdf08860b8c7c7d564ef95393de2d3a38663ac135cf0da9ded1f39b3f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:13:07,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:13:07,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1fe952d-e8da-4ca4-b2dd-fd2ba2a44ad8/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:13:07,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:13:07,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:13:07,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:13:07,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:13:07,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:13:07,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:13:07,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:13:07,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:13:07,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:13:07,143 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:13:07,144 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:13:07,144 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:13:07,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:13:07,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:13:07,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:13:07,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:13:07,147 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:13:07,148 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:13:07,149 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:13:07,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:13:07,150 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:13:07,151 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:13:07,151 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:13:07,152 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:13:07,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:13:07,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:07,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:13:07,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:13:07,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:13:07,155 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:13:07,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:13:07,156 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:13:07,156 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_f1fe952d-e8da-4ca4-b2dd-fd2ba2a44ad8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1fe952d-e8da-4ca4-b2dd-fd2ba2a44ad8/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52ed361cdf08860b8c7c7d564ef95393de2d3a38663ac135cf0da9ded1f39b3f [2023-11-23 20:13:07,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:13:07,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:13:07,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:13:07,513 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:13:07,514 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:13:07,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1fe952d-e8da-4ca4-b2dd-fd2ba2a44ad8/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2023-11-23 20:13:10,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:13:10,987 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:13:10,987 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1fe952d-e8da-4ca4-b2dd-fd2ba2a44ad8/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2023-11-23 20:13:11,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1fe952d-e8da-4ca4-b2dd-fd2ba2a44ad8/bin/ukojak-verify-1t5iHCbJaC/data/b29dc985b/1538b49677444662ae1deb869169fecc/FLAGfb00161e4 [2023-11-23 20:13:11,037 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1fe952d-e8da-4ca4-b2dd-fd2ba2a44ad8/bin/ukojak-verify-1t5iHCbJaC/data/b29dc985b/1538b49677444662ae1deb869169fecc [2023-11-23 20:13:11,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:13:11,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:13:11,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:11,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:13:11,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:13:11,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:11" (1/1) ... [2023-11-23 20:13:11,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364649e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11, skipping insertion in model container [2023-11-23 20:13:11,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:11" (1/1) ... [2023-11-23 20:13:11,140 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:13:11,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:11,655 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:13:11,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:11,774 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:13:11,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11 WrapperNode [2023-11-23 20:13:11,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:11,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:11,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:13:11,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:13:11,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... [2023-11-23 20:13:11,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... [2023-11-23 20:13:11,837 INFO L138 Inliner]: procedures = 142, calls = 66, calls flagged for inlining = 14, calls inlined = 13, statements flattened = 187 [2023-11-23 20:13:11,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:11,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:13:11,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:13:11,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:13:11,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... [2023-11-23 20:13:11,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... [2023-11-23 20:13:11,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... [2023-11-23 20:13:11,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... [2023-11-23 20:13:11,892 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... [2023-11-23 20:13:11,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... [2023-11-23 20:13:11,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... [2023-11-23 20:13:11,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... [2023-11-23 20:13:11,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:13:11,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:13:11,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:13:11,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:13:11,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:11" (1/1) ... [2023-11-23 20:13:11,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:11,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1fe952d-e8da-4ca4-b2dd-fd2ba2a44ad8/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:13:11,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1fe952d-e8da-4ca4-b2dd-fd2ba2a44ad8/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:13:12,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1fe952d-e8da-4ca4-b2dd-fd2ba2a44ad8/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:13:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 20:13:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 20:13:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2023-11-23 20:13:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2023-11-23 20:13:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2023-11-23 20:13:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2023-11-23 20:13:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:13:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:13:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:13:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2023-11-23 20:13:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2023-11-23 20:13:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:13:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:13:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:13:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2023-11-23 20:13:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2023-11-23 20:13:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:13:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2023-11-23 20:13:12,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2023-11-23 20:13:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:13:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:13:12,237 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:13:12,240 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:13:12,649 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:13:12,897 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:13:12,907 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-23 20:13:12,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:12 BoogieIcfgContainer [2023-11-23 20:13:12,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:13:12,912 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:13:12,913 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:13:12,925 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:13:12,925 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:12" (1/1) ... [2023-11-23 20:13:12,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:13:13,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:13,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2023-11-23 20:13:13,032 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2023-11-23 20:13:13,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:13:13,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:13,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:13,483 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 20:13:13,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:13,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2023-11-23 20:13:13,617 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-23 20:13:13,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:13:13,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:13,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:13,813 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 20:13:13,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:13,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 68 states and 89 transitions. [2023-11-23 20:13:13,855 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2023-11-23 20:13:13,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:13:13,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:13,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:14,121 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:13:14,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:14,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 74 states and 99 transitions. [2023-11-23 20:13:14,320 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 99 transitions. [2023-11-23 20:13:14,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:13:14,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:14,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:14,544 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:13:14,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:14,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 81 states and 109 transitions. [2023-11-23 20:13:14,744 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2023-11-23 20:13:14,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:13:14,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:14,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:15,019 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:13:15,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:15,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 74 states and 97 transitions. [2023-11-23 20:13:15,072 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-11-23 20:13:15,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:13:15,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:15,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:15,311 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:13:15,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:15,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 81 states and 107 transitions. [2023-11-23 20:13:15,500 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 107 transitions. [2023-11-23 20:13:15,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:13:15,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:15,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:15,858 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-23 20:13:16,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:16,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 88 states and 117 transitions. [2023-11-23 20:13:16,082 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2023-11-23 20:13:16,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 20:13:16,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:16,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:16,540 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-23 20:13:16,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:16,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 95 states and 127 transitions. [2023-11-23 20:13:16,780 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 127 transitions. [2023-11-23 20:13:16,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 20:13:16,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:16,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:17,369 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-23 20:13:17,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:17,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 102 states and 137 transitions. [2023-11-23 20:13:17,633 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 137 transitions. [2023-11-23 20:13:17,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-23 20:13:17,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:17,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:18,342 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-23 20:13:18,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:18,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 109 states and 147 transitions. [2023-11-23 20:13:18,607 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 147 transitions. [2023-11-23 20:13:18,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-23 20:13:18,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:18,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:19,399 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2023-11-23 20:13:19,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:19,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 116 states and 157 transitions. [2023-11-23 20:13:19,669 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 157 transitions. [2023-11-23 20:13:19,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-23 20:13:19,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:19,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:20,552 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-23 20:13:20,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:20,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 123 states and 167 transitions. [2023-11-23 20:13:20,894 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2023-11-23 20:13:20,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-23 20:13:20,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:20,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:21,868 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2023-11-23 20:13:22,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:22,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 130 states and 177 transitions. [2023-11-23 20:13:22,221 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2023-11-23 20:13:22,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-23 20:13:22,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:22,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:23,406 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2023-11-23 20:13:23,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:23,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 137 states and 187 transitions. [2023-11-23 20:13:23,770 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 187 transitions. [2023-11-23 20:13:23,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 20:13:23,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:23,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:25,131 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2023-11-23 20:13:25,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:25,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 144 states and 197 transitions. [2023-11-23 20:13:25,599 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 197 transitions. [2023-11-23 20:13:25,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-23 20:13:25,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:25,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:27,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2023-11-23 20:13:27,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:27,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 151 states and 207 transitions. [2023-11-23 20:13:27,561 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 207 transitions. [2023-11-23 20:13:27,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-23 20:13:27,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:27,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:29,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 0 proven. 637 refuted. 0 times theorem prover too weak. 728 trivial. 0 not checked. [2023-11-23 20:13:29,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:29,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 158 states and 217 transitions. [2023-11-23 20:13:29,830 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 217 transitions. [2023-11-23 20:13:29,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-11-23 20:13:29,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:29,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:31,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 0 proven. 735 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-23 20:13:32,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:32,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 165 states and 227 transitions. [2023-11-23 20:13:32,551 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 227 transitions. [2023-11-23 20:13:32,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-23 20:13:32,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:32,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:34,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2023-11-23 20:13:35,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:35,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 172 states and 237 transitions. [2023-11-23 20:13:35,289 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 237 transitions. [2023-11-23 20:13:35,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-23 20:13:35,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:35,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:37,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2040 backedges. 0 proven. 952 refuted. 0 times theorem prover too weak. 1088 trivial. 0 not checked. [2023-11-23 20:13:37,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:37,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 179 states and 247 transitions. [2023-11-23 20:13:37,851 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 247 transitions. [2023-11-23 20:13:37,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2023-11-23 20:13:37,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:37,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:39,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2295 backedges. 0 proven. 1071 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2023-11-23 20:13:40,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:40,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 186 states and 257 transitions. [2023-11-23 20:13:40,508 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 257 transitions. [2023-11-23 20:13:40,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2023-11-23 20:13:40,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:40,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:42,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 0 proven. 1197 refuted. 0 times theorem prover too weak. 1368 trivial. 0 not checked. [2023-11-23 20:13:43,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:43,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 193 states and 267 transitions. [2023-11-23 20:13:43,347 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 267 transitions. [2023-11-23 20:13:43,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2023-11-23 20:13:43,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:43,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:46,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 1330 refuted. 0 times theorem prover too weak. 1520 trivial. 0 not checked. [2023-11-23 20:13:46,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:46,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 200 states and 277 transitions. [2023-11-23 20:13:46,694 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 277 transitions. [2023-11-23 20:13:46,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2023-11-23 20:13:46,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:46,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:49,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3150 backedges. 0 proven. 1470 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2023-11-23 20:13:50,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:50,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 207 states and 287 transitions. [2023-11-23 20:13:50,281 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 287 transitions. [2023-11-23 20:13:50,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2023-11-23 20:13:50,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:50,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat