./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.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_50256650-a415-48d3-8ab1-9da55fd365b8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50256650-a415-48d3-8ab1-9da55fd365b8/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_50256650-a415-48d3-8ab1-9da55fd365b8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50256650-a415-48d3-8ab1-9da55fd365b8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50256650-a415-48d3-8ab1-9da55fd365b8/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_50256650-a415-48d3-8ab1-9da55fd365b8/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 5446997f7b2d7b76d63a39784df785fb06bbab562e365ba547eeee8a855e283e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:31,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:31,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50256650-a415-48d3-8ab1-9da55fd365b8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:12:31,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:12:31,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:12:31,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:31,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:12:31,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:12:31,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:31,725 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:31,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:31,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:31,727 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:12:31,728 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:12:31,728 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:12:31,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:31,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:31,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:31,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:31,731 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:12:31,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:31,739 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:31,739 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:31,740 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:31,740 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:31,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:31,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:31,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:31,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:31,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:12:31,743 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:12:31,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:12:31,744 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:12:31,744 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_50256650-a415-48d3-8ab1-9da55fd365b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50256650-a415-48d3-8ab1-9da55fd365b8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5446997f7b2d7b76d63a39784df785fb06bbab562e365ba547eeee8a855e283e [2023-11-24 23:12:32,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:32,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:32,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:32,073 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:32,074 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:32,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50256650-a415-48d3-8ab1-9da55fd365b8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.c [2023-11-24 23:12:35,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:35,493 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:35,494 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50256650-a415-48d3-8ab1-9da55fd365b8/sv-benchmarks/c/array-cav19/array_tiling_tcpy.c [2023-11-24 23:12:35,500 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50256650-a415-48d3-8ab1-9da55fd365b8/bin/ukojak-verify-afCqCEvfdi/data/aea954e8f/a5436144f27b4e1aa991f686d30702a4/FLAGbd8acf877 [2023-11-24 23:12:35,513 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50256650-a415-48d3-8ab1-9da55fd365b8/bin/ukojak-verify-afCqCEvfdi/data/aea954e8f/a5436144f27b4e1aa991f686d30702a4 [2023-11-24 23:12:35,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:35,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:35,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:35,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:35,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:35,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:35,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ed795f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35, skipping insertion in model container [2023-11-24 23:12:35,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:35,556 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:35,700 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_50256650-a415-48d3-8ab1-9da55fd365b8/sv-benchmarks/c/array-cav19/array_tiling_tcpy.c[408,421] [2023-11-24 23:12:35,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:35,723 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:35,733 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_50256650-a415-48d3-8ab1-9da55fd365b8/sv-benchmarks/c/array-cav19/array_tiling_tcpy.c[408,421] [2023-11-24 23:12:35,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:35,756 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:35,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35 WrapperNode [2023-11-24 23:12:35,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:35,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:35,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:35,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:35,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:35,774 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:35,794 INFO L138 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2023-11-24 23:12:35,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:35,795 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:35,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:35,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:35,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:35,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:35,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:35,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:35,813 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:35,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:35,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:35,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:35,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:35,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:35,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:35,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:35,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:35,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:35,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50256650-a415-48d3-8ab1-9da55fd365b8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:35,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50256650-a415-48d3-8ab1-9da55fd365b8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:35,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50256650-a415-48d3-8ab1-9da55fd365b8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:12:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:12:35,927 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:12:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:12:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:12:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:12:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:12:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:12:36,033 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:36,036 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:36,285 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:12:36,335 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:12:36,335 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:12:36,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:36 BoogieIcfgContainer [2023-11-24 23:12:36,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:12:36,339 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:12:36,339 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:12:36,352 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:12:36,352 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:36" (1/1) ... [2023-11-24 23:12:36,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:12:36,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:36,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-11-24 23:12:36,437 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-24 23:12:36,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:12:36,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:36,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:36,881 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 23:12:36,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:36,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2023-11-24 23:12:36,961 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2023-11-24 23:12:36,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:12:36,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:36,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:12:38,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:38,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 19 states and 34 transitions. [2023-11-24 23:12:38,130 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 34 transitions. [2023-11-24 23:12:38,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:12:38,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:38,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:12:39,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:39,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2023-11-24 23:12:39,518 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2023-11-24 23:12:39,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:12:39,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:39,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:39,820 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:12:40,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:40,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 23 transitions. [2023-11-24 23:12:40,408 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2023-11-24 23:12:40,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:12:40,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:40,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:41,059 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:12:42,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:42,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 35 transitions. [2023-11-24 23:12:42,631 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2023-11-24 23:12:42,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:12:42,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:42,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:43,723 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:12:44,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:44,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 32 transitions. [2023-11-24 23:12:44,800 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2023-11-24 23:12:44,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:12:44,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:44,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:45,863 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:12:49,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:49,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 48 transitions. [2023-11-24 23:12:49,275 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2023-11-24 23:12:49,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:12:49,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:49,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:50,097 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:12:54,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:54,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 63 transitions. [2023-11-24 23:12:54,203 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2023-11-24 23:12:54,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:12:54,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:54,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:55,925 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:12:57,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:57,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 60 transitions. [2023-11-24 23:12:57,790 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2023-11-24 23:12:57,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:12:57,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:57,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:59,277 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:13:07,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:07,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 48 states and 78 transitions. [2023-11-24 23:13:07,190 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2023-11-24 23:13:07,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:13:07,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:07,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:08,608 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:13:13,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:13,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 55 states and 88 transitions. [2023-11-24 23:13:13,801 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2023-11-24 23:13:13,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:13:13,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:13,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:15,399 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:13:21,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:21,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 63 states and 100 transitions. [2023-11-24 23:13:21,842 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 100 transitions. [2023-11-24 23:13:21,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:13:21,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:21,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:23,003 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:13:25,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:25,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 61 states and 92 transitions. [2023-11-24 23:13:25,524 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 92 transitions. [2023-11-24 23:13:25,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:13:25,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:25,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat