./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label49.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_bc622654-88ae-431a-b25f-d61f154b0100/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc622654-88ae-431a-b25f-d61f154b0100/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_bc622654-88ae-431a-b25f-d61f154b0100/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc622654-88ae-431a-b25f-d61f154b0100/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label49.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc622654-88ae-431a-b25f-d61f154b0100/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_bc622654-88ae-431a-b25f-d61f154b0100/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 485d88f458f8870df6b5d35e67b31c4269bf2fa69d345d076214685bdf67ec74 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:15:40,542 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:15:40,613 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc622654-88ae-431a-b25f-d61f154b0100/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:15:40,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:15:40,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:15:40,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:15:40,644 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:15:40,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:15:40,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:15:40,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:15:40,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:15:40,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:15:40,649 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:15:40,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:15:40,650 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:15:40,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:15:40,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:15:40,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:15:40,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:15:40,654 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:15:40,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:15:40,655 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:15:40,655 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:15:40,656 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:15:40,656 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:15:40,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:15:40,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:40,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:15:40,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:15:40,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:15:40,660 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:15:40,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:15:40,661 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:15:40,661 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_bc622654-88ae-431a-b25f-d61f154b0100/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc622654-88ae-431a-b25f-d61f154b0100/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 485d88f458f8870df6b5d35e67b31c4269bf2fa69d345d076214685bdf67ec74 [2023-11-24 22:15:40,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:15:40,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:15:40,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:15:40,994 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:15:40,994 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:15:40,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc622654-88ae-431a-b25f-d61f154b0100/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/eca-rers2012/Problem04_label49.c [2023-11-24 22:15:44,188 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:15:44,875 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:15:44,876 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc622654-88ae-431a-b25f-d61f154b0100/sv-benchmarks/c/eca-rers2012/Problem04_label49.c [2023-11-24 22:15:44,915 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc622654-88ae-431a-b25f-d61f154b0100/bin/ukojak-verify-afCqCEvfdi/data/499dff4a2/5acd701dff5e4dd0995126ba064c9401/FLAGaaa5baaed [2023-11-24 22:15:44,933 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc622654-88ae-431a-b25f-d61f154b0100/bin/ukojak-verify-afCqCEvfdi/data/499dff4a2/5acd701dff5e4dd0995126ba064c9401 [2023-11-24 22:15:44,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:15:44,942 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:15:44,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:44,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:15:44,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:15:44,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:44" (1/1) ... [2023-11-24 22:15:44,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d7c290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:44, skipping insertion in model container [2023-11-24 22:15:44,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:44" (1/1) ... [2023-11-24 22:15:45,131 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:15:46,523 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_bc622654-88ae-431a-b25f-d61f154b0100/sv-benchmarks/c/eca-rers2012/Problem04_label49.c[181143,181156] [2023-11-24 22:15:46,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:46,559 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:15:47,312 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_bc622654-88ae-431a-b25f-d61f154b0100/sv-benchmarks/c/eca-rers2012/Problem04_label49.c[181143,181156] [2023-11-24 22:15:47,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:47,358 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:15:47,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47 WrapperNode [2023-11-24 22:15:47,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:47,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:47,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:15:47,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:15:47,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:47,448 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:47,764 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5573 [2023-11-24 22:15:47,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:47,765 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:15:47,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:15:47,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:15:47,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:47,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:47,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:47,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:47,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:48,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:48,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:48,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:48,094 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:15:48,096 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:15:48,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:15:48,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:15:48,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:48,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:48,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc622654-88ae-431a-b25f-d61f154b0100/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:15:48,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc622654-88ae-431a-b25f-d61f154b0100/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:15:48,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc622654-88ae-431a-b25f-d61f154b0100/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:15:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:15:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:15:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:15:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:15:48,311 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:15:48,314 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:15:53,289 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:15:53,731 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:15:53,731 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:15:53,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:53 BoogieIcfgContainer [2023-11-24 22:15:53,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:15:53,735 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:15:53,735 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:15:53,747 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:15:53,747 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:53" (1/1) ... [2023-11-24 22:15:53,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:15:53,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:53,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 763 states and 1515 transitions. [2023-11-24 22:15:53,853 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1515 transitions. [2023-11-24 22:15:53,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-11-24 22:15:53,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:53,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:56,504 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 22:16:01,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:01,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 1516 states and 2700 transitions. [2023-11-24 22:16:01,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2700 transitions. [2023-11-24 22:16:01,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2023-11-24 22:16:01,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:01,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:03,611 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:03,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:03,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 1519 states and 2705 transitions. [2023-11-24 22:16:03,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2705 transitions. [2023-11-24 22:16:03,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2023-11-24 22:16:03,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:03,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:04,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:05,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:05,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 1523 states and 2712 transitions. [2023-11-24 22:16:05,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2712 transitions. [2023-11-24 22:16:05,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 762 [2023-11-24 22:16:05,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:05,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:06,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:06,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:06,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 1525 states and 2715 transitions. [2023-11-24 22:16:06,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2715 transitions. [2023-11-24 22:16:06,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2023-11-24 22:16:06,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:06,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:06,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:07,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:07,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 1528 states and 2720 transitions. [2023-11-24 22:16:07,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2720 transitions. [2023-11-24 22:16:07,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 764 [2023-11-24 22:16:07,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:07,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:08,001 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:08,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:08,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 1529 states and 2721 transitions. [2023-11-24 22:16:08,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 2721 transitions. [2023-11-24 22:16:08,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 765 [2023-11-24 22:16:08,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:08,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:08,719 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:09,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:09,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 1537 states and 2734 transitions. [2023-11-24 22:16:09,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2734 transitions. [2023-11-24 22:16:09,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2023-11-24 22:16:09,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:09,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:10,022 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:10,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:10,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 1546 states and 2749 transitions. [2023-11-24 22:16:10,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2749 transitions. [2023-11-24 22:16:10,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2023-11-24 22:16:10,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:10,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:11,410 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:12,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:12,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 1556 states and 2766 transitions. [2023-11-24 22:16:12,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2766 transitions. [2023-11-24 22:16:12,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2023-11-24 22:16:12,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:12,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:13,156 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:14,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:14,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 1567 states and 2785 transitions. [2023-11-24 22:16:14,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2785 transitions. [2023-11-24 22:16:14,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2023-11-24 22:16:14,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:14,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:15,185 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:15,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:16,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 1572 states and 2793 transitions. [2023-11-24 22:16:16,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2793 transitions. [2023-11-24 22:16:16,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 770 [2023-11-24 22:16:16,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:16,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:16,521 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:16,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:16,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 1574 states and 2796 transitions. [2023-11-24 22:16:16,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2796 transitions. [2023-11-24 22:16:16,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2023-11-24 22:16:16,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:16,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:17,634 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:18,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:18,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 1575 states and 2801 transitions. [2023-11-24 22:16:18,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2801 transitions. [2023-11-24 22:16:18,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 772 [2023-11-24 22:16:18,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:18,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:19,495 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:19,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:19,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 1577 states and 2803 transitions. [2023-11-24 22:16:19,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 2803 transitions. [2023-11-24 22:16:19,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 773 [2023-11-24 22:16:19,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:19,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:20,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:20,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 1585 states and 2814 transitions. [2023-11-24 22:16:20,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2814 transitions. [2023-11-24 22:16:20,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2023-11-24 22:16:20,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:20,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:20,858 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:21,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:21,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 1599 states and 2832 transitions. [2023-11-24 22:16:21,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 2832 transitions. [2023-11-24 22:16:21,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2023-11-24 22:16:21,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:21,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:22,245 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:16:23,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:23,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 1604 states and 2850 transitions. [2023-11-24 22:16:23,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2850 transitions. [2023-11-24 22:16:23,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2023-11-24 22:16:23,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:23,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:23,879 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:16:24,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:24,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 1607 states and 2854 transitions. [2023-11-24 22:16:24,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 2854 transitions. [2023-11-24 22:16:24,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2023-11-24 22:16:24,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:24,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:25,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:25,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 1615 states and 2864 transitions. [2023-11-24 22:16:25,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 2864 transitions. [2023-11-24 22:16:25,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-24 22:16:25,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:25,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:25,420 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:16:26,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:26,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2873 states to 1618 states and 2873 transitions. [2023-11-24 22:16:26,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 2873 transitions. [2023-11-24 22:16:26,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-24 22:16:26,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:26,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:26,978 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:16:27,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:27,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2873 states to 1619 states and 2873 transitions. [2023-11-24 22:16:27,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2873 transitions. [2023-11-24 22:16:27,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-24 22:16:27,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:27,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:27,526 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:16:27,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:27,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 1623 states and 2880 transitions. [2023-11-24 22:16:27,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 2880 transitions. [2023-11-24 22:16:27,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-24 22:16:27,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:27,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:28,254 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:16:28,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:28,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 1626 states and 2885 transitions. [2023-11-24 22:16:28,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 2885 transitions. [2023-11-24 22:16:28,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-24 22:16:28,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:28,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms