./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array22_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_2649f1f8-4549-40e6-bc7e-8ee47a23c576/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2649f1f8-4549-40e6-bc7e-8ee47a23c576/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2649f1f8-4549-40e6-bc7e-8ee47a23c576/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2649f1f8-4549-40e6-bc7e-8ee47a23c576/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array22_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2649f1f8-4549-40e6-bc7e-8ee47a23c576/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2649f1f8-4549-40e6-bc7e-8ee47a23c576/bin/ukojak-verify-0OAaufAVZV --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 31d323b6985f030ac0fb5fda45d0cb8af14c3bb3898c8ff09cf5a292e40f357b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:51:58,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:51:58,557 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2649f1f8-4549-40e6-bc7e-8ee47a23c576/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:51:58,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:51:58,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:51:58,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:51:58,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:51:58,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:51:58,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:51:58,611 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:51:58,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:51:58,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:51:58,613 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:51:58,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:51:58,616 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:51:58,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:51:58,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:51:58,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:51:58,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:51:58,618 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:51:58,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:51:58,619 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:51:58,619 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:51:58,620 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:51:58,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:51:58,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:58,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:51:58,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:51:58,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:51:58,623 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:51:58,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:51:58,624 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:51:58,625 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_2649f1f8-4549-40e6-bc7e-8ee47a23c576/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2649f1f8-4549-40e6-bc7e-8ee47a23c576/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31d323b6985f030ac0fb5fda45d0cb8af14c3bb3898c8ff09cf5a292e40f357b [2023-11-11 23:51:58,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:51:58,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:51:58,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:51:58,917 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:51:58,917 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:51:58,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2649f1f8-4549-40e6-bc7e-8ee47a23c576/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/array-patterns/array22_pattern.c [2023-11-11 23:52:02,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:52:02,370 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:52:02,371 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2649f1f8-4549-40e6-bc7e-8ee47a23c576/sv-benchmarks/c/array-patterns/array22_pattern.c [2023-11-11 23:52:02,384 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2649f1f8-4549-40e6-bc7e-8ee47a23c576/bin/ukojak-verify-0OAaufAVZV/data/3725541d3/7340fc52505e4dc8be411f79cd49d989/FLAG0e7d7d7f5 [2023-11-11 23:52:02,399 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2649f1f8-4549-40e6-bc7e-8ee47a23c576/bin/ukojak-verify-0OAaufAVZV/data/3725541d3/7340fc52505e4dc8be411f79cd49d989 [2023-11-11 23:52:02,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:52:02,403 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:52:02,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:02,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:52:02,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:52:02,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:02" (1/1) ... [2023-11-11 23:52:02,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52abc33c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:02, skipping insertion in model container [2023-11-11 23:52:02,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:02" (1/1) ... [2023-11-11 23:52:02,441 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:52:02,608 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_2649f1f8-4549-40e6-bc7e-8ee47a23c576/sv-benchmarks/c/array-patterns/array22_pattern.c[1347,1360] [2023-11-11 23:52:02,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:02,643 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:52:02,657 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_2649f1f8-4549-40e6-bc7e-8ee47a23c576/sv-benchmarks/c/array-patterns/array22_pattern.c[1347,1360] [2023-11-11 23:52:02,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:02,690 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:52:02,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:02 WrapperNode [2023-11-11 23:52:02,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:02,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:02,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:52:02,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:52:02,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:02" (1/1) ... [2023-11-11 23:52:02,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:02" (1/1) ... [2023-11-11 23:52:02,752 INFO L138 Inliner]: procedures = 17, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111 [2023-11-11 23:52:02,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:02,757 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:52:02,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:52:02,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:52:02,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:02" (1/1) ... [2023-11-11 23:52:02,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:02" (1/1) ... [2023-11-11 23:52:02,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:02" (1/1) ... [2023-11-11 23:52:02,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:02" (1/1) ... [2023-11-11 23:52:02,801 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:02" (1/1) ... [2023-11-11 23:52:02,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:02" (1/1) ... [2023-11-11 23:52:02,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:02" (1/1) ... [2023-11-11 23:52:02,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:02" (1/1) ... [2023-11-11 23:52:02,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:52:02,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:52:02,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:52:02,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:52:02,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:02" (1/1) ... [2023-11-11 23:52:02,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:02,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2649f1f8-4549-40e6-bc7e-8ee47a23c576/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:52:02,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2649f1f8-4549-40e6-bc7e-8ee47a23c576/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:52:02,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2649f1f8-4549-40e6-bc7e-8ee47a23c576/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:52:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2023-11-11 23:52:02,922 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2023-11-11 23:52:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:52:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:52:02,923 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:52:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:52:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:52:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:52:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:52:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:52:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:52:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:52:03,043 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:52:03,045 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:52:03,365 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:52:03,470 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:52:03,470 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-11 23:52:03,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:03 BoogieIcfgContainer [2023-11-11 23:52:03,473 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:52:03,474 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:52:03,474 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:52:03,486 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:52:03,486 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:03" (1/1) ... [2023-11-11 23:52:03,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:52:03,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:03,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2023-11-11 23:52:03,556 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2023-11-11 23:52:03,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:52:03,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:03,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:03,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:52:03,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:03,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:03,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:03,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2023-11-11 23:52:03,743 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-11-11 23:52:03,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:52:03,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:03,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:03,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-11 23:52:03,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:03,955 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:52:04,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:04,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2023-11-11 23:52:04,096 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2023-11-11 23:52:04,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:52:04,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:04,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:04,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:52:04,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:04,294 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:52:04,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:04,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2023-11-11 23:52:04,456 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2023-11-11 23:52:04,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:52:04,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:04,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:04,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:52:04,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:04,614 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:52:05,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:05,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 85 transitions. [2023-11-11 23:52:05,106 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 85 transitions. [2023-11-11 23:52:05,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:52:05,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:05,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:05,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:52:05,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:05,279 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:52:05,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:05,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 64 states and 103 transitions. [2023-11-11 23:52:05,676 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 103 transitions. [2023-11-11 23:52:05,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:52:05,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:05,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:05,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:52:05,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:05,881 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:52:06,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:06,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 66 states and 109 transitions. [2023-11-11 23:52:06,299 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 109 transitions. [2023-11-11 23:52:06,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:52:06,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:06,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:06,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:52:06,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:06,468 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:52:06,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:06,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 69 states and 115 transitions. [2023-11-11 23:52:06,741 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 115 transitions. [2023-11-11 23:52:06,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:52:06,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:06,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:06,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:52:06,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:06,983 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:52:07,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:07,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 71 states and 120 transitions. [2023-11-11 23:52:07,664 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 120 transitions. [2023-11-11 23:52:07,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:52:07,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:07,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:07,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-11 23:52:07,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:07,872 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:52:08,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:08,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2023-11-11 23:52:08,630 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2023-11-11 23:52:08,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:52:08,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:08,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:08,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:52:08,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:08,930 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:52:10,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:10,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 62 states and 106 transitions. [2023-11-11 23:52:10,072 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 106 transitions. [2023-11-11 23:52:10,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:52:10,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:10,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:10,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:52:10,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:10,168 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:52:10,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:10,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 63 states and 107 transitions. [2023-11-11 23:52:10,420 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 107 transitions. [2023-11-11 23:52:10,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-11 23:52:10,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:10,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:10,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:52:10,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:10,523 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:52:10,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:10,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2023-11-11 23:52:10,756 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2023-11-11 23:52:10,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-11 23:52:10,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:10,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:10,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:52:10,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:10,897 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-11 23:52:12,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:12,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 79 states and 135 transitions. [2023-11-11 23:52:12,092 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 135 transitions. [2023-11-11 23:52:12,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-11 23:52:12,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:12,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:12,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:52:12,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:12,265 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-11 23:52:12,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:12,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 88 transitions. [2023-11-11 23:52:12,969 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2023-11-11 23:52:12,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-11 23:52:12,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:12,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:13,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:52:13,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:13,097 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-11 23:52:14,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:14,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 60 states and 97 transitions. [2023-11-11 23:52:14,340 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 97 transitions. [2023-11-11 23:52:14,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-11 23:52:14,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:14,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:15,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 92 conjunts are in the unsatisfiable core [2023-11-11 23:52:15,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:16,433 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-11 23:52:16,586 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-11 23:52:17,061 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:52:17,063 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-11 23:52:17,224 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:52:17,225 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-11-11 23:52:35,375 INFO L322 Elim1Store]: treesize reduction 70, result has 48.9 percent of original size [2023-11-11 23:52:35,376 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 53 treesize of output 93