./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/mbpr3.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_aeea78e2-3014-4d1f-8f16-a0c39219fe15/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea78e2-3014-4d1f-8f16-a0c39219fe15/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_aeea78e2-3014-4d1f-8f16-a0c39219fe15/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea78e2-3014-4d1f-8f16-a0c39219fe15/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/mbpr3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea78e2-3014-4d1f-8f16-a0c39219fe15/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_aeea78e2-3014-4d1f-8f16-a0c39219fe15/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 a50e57e46342104030586dde3ea26bc2e3984490f4fdef34fa383d24842d8980 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:10:45,578 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:45,672 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea78e2-3014-4d1f-8f16-a0c39219fe15/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:10:45,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:10:45,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:10:45,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:45,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:10:45,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:10:45,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:45,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:45,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:45,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:45,714 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:10:45,715 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:10:45,715 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:10:45,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:45,717 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:45,717 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:45,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:45,719 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:10:45,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:45,720 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:45,721 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:45,721 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:45,722 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:45,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:45,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:45,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:45,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:45,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:10:45,725 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:10:45,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:10:45,726 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:10:45,727 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_aeea78e2-3014-4d1f-8f16-a0c39219fe15/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea78e2-3014-4d1f-8f16-a0c39219fe15/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50e57e46342104030586dde3ea26bc2e3984490f4fdef34fa383d24842d8980 [2023-11-24 23:10:46,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:46,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:46,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:46,048 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:46,049 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:46,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea78e2-3014-4d1f-8f16-a0c39219fe15/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-tiling/mbpr3.c [2023-11-24 23:10:49,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:49,583 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:49,584 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea78e2-3014-4d1f-8f16-a0c39219fe15/sv-benchmarks/c/array-tiling/mbpr3.c [2023-11-24 23:10:49,592 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea78e2-3014-4d1f-8f16-a0c39219fe15/bin/ukojak-verify-afCqCEvfdi/data/61c80027b/2b9888dd5b954bf49abfe7558aed9cf7/FLAG9aeec1e43 [2023-11-24 23:10:49,609 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea78e2-3014-4d1f-8f16-a0c39219fe15/bin/ukojak-verify-afCqCEvfdi/data/61c80027b/2b9888dd5b954bf49abfe7558aed9cf7 [2023-11-24 23:10:49,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:49,613 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:49,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:49,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:49,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:49,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d36dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49, skipping insertion in model container [2023-11-24 23:10:49,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,645 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:49,809 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_aeea78e2-3014-4d1f-8f16-a0c39219fe15/sv-benchmarks/c/array-tiling/mbpr3.c[396,409] [2023-11-24 23:10:49,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:49,852 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:49,866 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_aeea78e2-3014-4d1f-8f16-a0c39219fe15/sv-benchmarks/c/array-tiling/mbpr3.c[396,409] [2023-11-24 23:10:49,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:49,899 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:49,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49 WrapperNode [2023-11-24 23:10:49,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:49,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:49,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:49,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:49,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,950 INFO L138 Inliner]: procedures = 15, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 116 [2023-11-24 23:10:49,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:49,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:49,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:49,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:49,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,975 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:49,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:49,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:49,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:49,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:50,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea78e2-3014-4d1f-8f16-a0c39219fe15/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:50,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea78e2-3014-4d1f-8f16-a0c39219fe15/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:50,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea78e2-3014-4d1f-8f16-a0c39219fe15/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:50,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:50,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:10:50,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:10:50,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:10:50,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:50,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:50,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:10:50,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:10:50,149 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:50,151 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:10:50,416 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:10:50,608 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:10:50,609 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 23:10:50,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:50 BoogieIcfgContainer [2023-11-24 23:10:50,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:10:50,612 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:10:50,612 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:10:50,635 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:10:50,636 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:50" (1/1) ... [2023-11-24 23:10:50,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:10:50,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:50,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2023-11-24 23:10:50,714 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2023-11-24 23:10:50,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:10:50,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:50,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:51,388 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 23:10:51,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:51,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2023-11-24 23:10:51,481 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2023-11-24 23:10:51,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:10:51,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:51,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:51,741 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 23:10:51,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:51,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2023-11-24 23:10:51,910 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2023-11-24 23:10:51,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:10:51,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:51,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:52,262 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 23:10:52,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:52,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2023-11-24 23:10:52,330 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2023-11-24 23:10:52,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:10:52,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:52,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:53,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:55,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:55,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 25 states and 47 transitions. [2023-11-24 23:10:55,597 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 47 transitions. [2023-11-24 23:10:55,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:10:55,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:55,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:56,159 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:10:57,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:57,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 28 states and 55 transitions. [2023-11-24 23:10:57,444 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 55 transitions. [2023-11-24 23:10:57,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:10:57,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:57,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:57,882 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:10:59,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:59,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2023-11-24 23:10:59,065 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2023-11-24 23:10:59,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:10:59,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:59,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:59,666 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:11:01,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:01,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 31 states and 58 transitions. [2023-11-24 23:11:01,610 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 58 transitions. [2023-11-24 23:11:01,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:11:01,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:01,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:02,838 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:11:05,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2023-11-24 23:11:05,590 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2023-11-24 23:11:05,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:11:05,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:05,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:05,977 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:08,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:08,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 42 states and 77 transitions. [2023-11-24 23:11:08,687 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 77 transitions. [2023-11-24 23:11:08,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:11:08,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:08,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:09,236 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:11:10,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:10,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 45 states and 83 transitions. [2023-11-24 23:11:10,891 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2023-11-24 23:11:10,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:11:10,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:10,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:11,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:11:13,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:13,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 49 states and 89 transitions. [2023-11-24 23:11:13,599 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 89 transitions. [2023-11-24 23:11:13,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:11:13,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:13,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:13,917 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:16,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:16,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2023-11-24 23:11:16,577 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2023-11-24 23:11:16,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:11:16,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:16,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:17,820 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:11:22,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:22,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 60 states and 108 transitions. [2023-11-24 23:11:22,436 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 108 transitions. [2023-11-24 23:11:22,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:11:22,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:22,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:24,450 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:11:28,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:28,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 65 states and 123 transitions. [2023-11-24 23:11:28,859 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 123 transitions. [2023-11-24 23:11:28,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:11:28,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:28,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:31,988 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:11:37,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:37,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 69 states and 136 transitions. [2023-11-24 23:11:37,084 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 136 transitions. [2023-11-24 23:11:37,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:11:37,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:37,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:37,321 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.