./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-crafted/zero_sum_const_m4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2d21e3-fcfc-4ebb-b9a6-d6ac85a24623/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2d21e3-fcfc-4ebb-b9a6-d6ac85a24623/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2d21e3-fcfc-4ebb-b9a6-d6ac85a24623/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2d21e3-fcfc-4ebb-b9a6-d6ac85a24623/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/array-crafted/zero_sum_const_m4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2d21e3-fcfc-4ebb-b9a6-d6ac85a24623/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2d21e3-fcfc-4ebb-b9a6-d6ac85a24623/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aec2f9127d2f09ac657db5f4ff454a031f6027c12ee4edfdaac8d9dd392f7955 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:30,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:30,981 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2d21e3-fcfc-4ebb-b9a6-d6ac85a24623/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:54:30,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:30,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:31,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:31,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:31,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:31,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:31,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:31,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:31,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:31,014 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:31,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:31,015 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:31,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:31,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:31,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:31,017 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:31,018 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:31,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:31,019 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:31,020 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:31,020 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:31,021 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:31,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:31,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:31,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:31,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:31,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:31,024 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:31,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:31,025 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:31,025 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_5e2d21e3-fcfc-4ebb-b9a6-d6ac85a24623/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2d21e3-fcfc-4ebb-b9a6-d6ac85a24623/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aec2f9127d2f09ac657db5f4ff454a031f6027c12ee4edfdaac8d9dd392f7955 [2023-11-24 22:54:31,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:31,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:31,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:31,330 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:31,331 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:31,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2d21e3-fcfc-4ebb-b9a6-d6ac85a24623/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-crafted/zero_sum_const_m4.c [2023-11-24 22:54:34,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:34,758 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:34,758 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2d21e3-fcfc-4ebb-b9a6-d6ac85a24623/sv-benchmarks/c/array-crafted/zero_sum_const_m4.c [2023-11-24 22:54:34,766 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2d21e3-fcfc-4ebb-b9a6-d6ac85a24623/bin/ukojak-verify-afCqCEvfdi/data/c90a773ef/1fd7b66df8214723ae04c7eea78667f8/FLAG1b1608819 [2023-11-24 22:54:34,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2d21e3-fcfc-4ebb-b9a6-d6ac85a24623/bin/ukojak-verify-afCqCEvfdi/data/c90a773ef/1fd7b66df8214723ae04c7eea78667f8 [2023-11-24 22:54:34,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:34,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:34,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:34,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:34,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:34,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:34" (1/1) ... [2023-11-24 22:54:34,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c47a8c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:34, skipping insertion in model container [2023-11-24 22:54:34,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:34" (1/1) ... [2023-11-24 22:54:34,818 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:34,994 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2d21e3-fcfc-4ebb-b9a6-d6ac85a24623/sv-benchmarks/c/array-crafted/zero_sum_const_m4.c[408,421] [2023-11-24 22:54:35,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:35,039 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:35,051 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2d21e3-fcfc-4ebb-b9a6-d6ac85a24623/sv-benchmarks/c/array-crafted/zero_sum_const_m4.c[408,421] [2023-11-24 22:54:35,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:35,089 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:35,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:35 WrapperNode [2023-11-24 22:54:35,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:35,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:35,092 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:35,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:35,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:35" (1/1) ... [2023-11-24 22:54:35,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:35" (1/1) ... [2023-11-24 22:54:35,137 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 127 [2023-11-24 22:54:35,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:35,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:35,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:35,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:35,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:35" (1/1) ... [2023-11-24 22:54:35,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:35" (1/1) ... [2023-11-24 22:54:35,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:35" (1/1) ... [2023-11-24 22:54:35,153 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:35" (1/1) ... [2023-11-24 22:54:35,159 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:35" (1/1) ... [2023-11-24 22:54:35,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:35" (1/1) ... [2023-11-24 22:54:35,166 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:35" (1/1) ... [2023-11-24 22:54:35,167 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:35" (1/1) ... [2023-11-24 22:54:35,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:35,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:35,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:35,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:35,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:35" (1/1) ... [2023-11-24 22:54:35,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:35,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2d21e3-fcfc-4ebb-b9a6-d6ac85a24623/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:35,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2d21e3-fcfc-4ebb-b9a6-d6ac85a24623/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:35,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2d21e3-fcfc-4ebb-b9a6-d6ac85a24623/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:35,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:35,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:35,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:54:35,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:54:35,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:35,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:35,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:54:35,336 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:35,338 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:35,567 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:35,638 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:35,638 INFO L309 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-24 22:54:35,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:35 BoogieIcfgContainer [2023-11-24 22:54:35,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:35,641 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:35,641 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:35,652 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:35,653 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:35" (1/1) ... [2023-11-24 22:54:35,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:35,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:35,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2023-11-24 22:54:35,722 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2023-11-24 22:54:35,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:35,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:35,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:36,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:36,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:36,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2023-11-24 22:54:36,288 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2023-11-24 22:54:36,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:54:36,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:36,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:36,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:36,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:36,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2023-11-24 22:54:36,515 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2023-11-24 22:54:36,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:54:36,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:36,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:36,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:36,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:36,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2023-11-24 22:54:36,719 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2023-11-24 22:54:36,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:54:36,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:36,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:36,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:54:36,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:36,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2023-11-24 22:54:36,871 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2023-11-24 22:54:36,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:54:36,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:36,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:36,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:54:36,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:36,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 22 states and 36 transitions. [2023-11-24 22:54:36,986 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2023-11-24 22:54:36,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:54:36,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:36,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:37,054 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 22:54:37,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:37,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2023-11-24 22:54:37,092 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2023-11-24 22:54:37,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:54:37,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:37,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:37,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:37,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:37,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2023-11-24 22:54:37,185 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2023-11-24 22:54:37,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:54:37,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:37,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:54:37,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:37,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2023-11-24 22:54:37,277 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2023-11-24 22:54:37,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:54:37,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:37,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:37,332 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:54:37,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:37,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2023-11-24 22:54:37,376 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2023-11-24 22:54:37,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:54:37,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:37,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:37,465 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:54:37,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:37,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2023-11-24 22:54:37,559 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2023-11-24 22:54:37,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:54:37,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:37,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:37,626 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:54:37,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:37,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2023-11-24 22:54:37,658 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2023-11-24 22:54:37,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:54:37,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:37,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:37,727 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:54:37,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:37,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2023-11-24 22:54:37,758 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2023-11-24 22:54:37,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:54:37,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:37,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:37,821 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-24 22:54:37,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:37,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2023-11-24 22:54:37,856 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2023-11-24 22:54:37,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:54:37,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:37,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:37,945 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:54:37,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:37,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2023-11-24 22:54:37,983 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2023-11-24 22:54:37,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:54:37,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:37,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:38,065 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-24 22:54:38,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:38,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2023-11-24 22:54:38,115 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2023-11-24 22:54:38,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:54:38,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:38,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:38,193 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:54:38,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:38,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2023-11-24 22:54:38,238 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2023-11-24 22:54:38,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:54:38,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:38,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:38,313 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-24 22:54:38,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:38,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2023-11-24 22:54:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2023-11-24 22:54:38,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:54:38,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:38,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:38,445 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 22:54:38,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:38,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2023-11-24 22:54:38,543 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2023-11-24 22:54:38,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:54:38,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:38,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:42,233 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:49,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:49,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 63 states and 131 transitions. [2023-11-24 22:54:49,966 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 131 transitions. [2023-11-24 22:54:49,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:54:49,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:49,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:50,588 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-24 22:54:52,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:52,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 64 states and 133 transitions. [2023-11-24 22:54:52,698 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 133 transitions. [2023-11-24 22:54:52,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:54:52,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:52,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:53,213 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-24 22:54:54,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:54,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 67 states and 139 transitions. [2023-11-24 22:54:54,530 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 139 transitions. [2023-11-24 22:54:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:54:54,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:54,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:54,903 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-24 22:54:56,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:56,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 71 states and 145 transitions. [2023-11-24 22:54:56,680 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 145 transitions. [2023-11-24 22:54:56,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:54:56,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:56,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:57,078 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-24 22:54:58,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:58,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 75 states and 151 transitions. [2023-11-24 22:54:58,944 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 151 transitions. [2023-11-24 22:54:58,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:54:58,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:58,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:59,322 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-24 22:55:03,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:03,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 85 states and 173 transitions. [2023-11-24 22:55:03,214 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 173 transitions. [2023-11-24 22:55:03,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:55:03,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:03,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:03,593 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-24 22:55:05,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:05,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 92 states and 187 transitions. [2023-11-24 22:55:05,266 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 187 transitions. [2023-11-24 22:55:05,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:55:05,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:05,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:05,629 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-24 22:55:06,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:06,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 93 states and 187 transitions. [2023-11-24 22:55:06,202 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 187 transitions. [2023-11-24 22:55:06,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:55:06,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:06,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:06,570 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-24 22:55:07,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:07,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 94 states and 187 transitions. [2023-11-24 22:55:07,180 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 187 transitions. [2023-11-24 22:55:07,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:55:07,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:07,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:07,578 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-24 22:55:08,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:08,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 95 states and 187 transitions. [2023-11-24 22:55:08,199 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 187 transitions. [2023-11-24 22:55:08,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:55:08,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:08,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:08,290 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 22:55:11,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:11,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 100 states and 197 transitions. [2023-11-24 22:55:11,013 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 197 transitions. [2023-11-24 22:55:11,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:55:11,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:11,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:11,090 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-24 22:55:14,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:14,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 101 states and 195 transitions. [2023-11-24 22:55:14,899 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 195 transitions. [2023-11-24 22:55:14,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:55:14,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:14,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:14,989 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 22:55:18,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:18,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 102 states and 194 transitions. [2023-11-24 22:55:18,661 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 194 transitions. [2023-11-24 22:55:18,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:55:18,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:18,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:18,747 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-24 22:55:21,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:21,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 102 states and 191 transitions. [2023-11-24 22:55:21,958 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 191 transitions. [2023-11-24 22:55:21,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:55:21,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:21,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:22,046 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked.