./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s3lif.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_9b205a90-e7ca-46c7-97d1-2454dcd526f8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b205a90-e7ca-46c7-97d1-2454dcd526f8/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_9b205a90-e7ca-46c7-97d1-2454dcd526f8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b205a90-e7ca-46c7-97d1-2454dcd526f8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s3lif.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b205a90-e7ca-46c7-97d1-2454dcd526f8/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_9b205a90-e7ca-46c7-97d1-2454dcd526f8/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 3aac75742402b60de8e734a48b2dd5180b95add96e084901e84c53f880aa300a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:36,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:36,849 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b205a90-e7ca-46c7-97d1-2454dcd526f8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:16:36,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:36,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:36,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:36,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:36,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:36,884 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:36,884 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:36,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:36,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:36,886 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:36,887 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:36,888 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:36,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:36,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:36,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:36,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:36,890 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:36,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:36,892 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:36,892 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:36,893 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:36,893 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:36,894 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:36,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:36,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:36,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:36,896 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:36,896 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:36,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:36,897 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:36,897 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_9b205a90-e7ca-46c7-97d1-2454dcd526f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b205a90-e7ca-46c7-97d1-2454dcd526f8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3aac75742402b60de8e734a48b2dd5180b95add96e084901e84c53f880aa300a [2023-11-24 22:16:37,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:37,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:37,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:37,164 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:37,165 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:37,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b205a90-e7ca-46c7-97d1-2454dcd526f8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-fpi/s3lif.c [2023-11-24 22:16:40,301 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:40,565 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:40,566 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b205a90-e7ca-46c7-97d1-2454dcd526f8/sv-benchmarks/c/array-fpi/s3lif.c [2023-11-24 22:16:40,574 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b205a90-e7ca-46c7-97d1-2454dcd526f8/bin/ukojak-verify-afCqCEvfdi/data/11b61f626/4989656e865b4691a18bbdad30de4257/FLAG9046462bf [2023-11-24 22:16:40,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b205a90-e7ca-46c7-97d1-2454dcd526f8/bin/ukojak-verify-afCqCEvfdi/data/11b61f626/4989656e865b4691a18bbdad30de4257 [2023-11-24 22:16:40,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:40,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:40,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:40,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:40,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:40,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:40" (1/1) ... [2023-11-24 22:16:40,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d1ebc07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:40, skipping insertion in model container [2023-11-24 22:16:40,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:40" (1/1) ... [2023-11-24 22:16:40,638 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:40,784 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_9b205a90-e7ca-46c7-97d1-2454dcd526f8/sv-benchmarks/c/array-fpi/s3lif.c[588,601] [2023-11-24 22:16:40,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:40,817 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:40,833 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_9b205a90-e7ca-46c7-97d1-2454dcd526f8/sv-benchmarks/c/array-fpi/s3lif.c[588,601] [2023-11-24 22:16:40,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:40,858 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:40,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:40 WrapperNode [2023-11-24 22:16:40,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:40,860 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:40,860 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:40,860 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:40,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:40" (1/1) ... [2023-11-24 22:16:40,874 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:40" (1/1) ... [2023-11-24 22:16:40,896 INFO L138 Inliner]: procedures = 17, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2023-11-24 22:16:40,897 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:40,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:40,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:40,898 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:40,907 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:40" (1/1) ... [2023-11-24 22:16:40,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:40" (1/1) ... [2023-11-24 22:16:40,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:40" (1/1) ... [2023-11-24 22:16:40,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:40" (1/1) ... [2023-11-24 22:16:40,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:40" (1/1) ... [2023-11-24 22:16:40,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:40" (1/1) ... [2023-11-24 22:16:40,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:40" (1/1) ... [2023-11-24 22:16:40,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:40" (1/1) ... [2023-11-24 22:16:40,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:40,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:40,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:40,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:40,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:40" (1/1) ... [2023-11-24 22:16:40,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:40,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b205a90-e7ca-46c7-97d1-2454dcd526f8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:40,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b205a90-e7ca-46c7-97d1-2454dcd526f8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:40,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b205a90-e7ca-46c7-97d1-2454dcd526f8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:16:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:16:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:16:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:41,126 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:41,128 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:41,318 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:41,392 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:41,392 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:16:41,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:41 BoogieIcfgContainer [2023-11-24 22:16:41,394 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:41,395 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:41,395 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:41,407 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:41,407 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:41" (1/1) ... [2023-11-24 22:16:41,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:41,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:41,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-24 22:16:41,471 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-24 22:16:41,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:16:41,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:41,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:41,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:41,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:41,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-24 22:16:41,910 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-24 22:16:41,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:16:41,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:41,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:42,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:42,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-11-24 22:16:42,092 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-11-24 22:16:42,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:16:42,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:42,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:42,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:42,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:42,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2023-11-24 22:16:42,299 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2023-11-24 22:16:42,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:16:42,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:42,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:43,470 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 22:16:44,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:44,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 21 states and 42 transitions. [2023-11-24 22:16:44,671 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 42 transitions. [2023-11-24 22:16:44,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:16:44,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:44,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:44,883 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:45,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:45,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 24 states and 52 transitions. [2023-11-24 22:16:45,690 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 52 transitions. [2023-11-24 22:16:45,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:16:45,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:45,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:45,942 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 22:16:46,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:46,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 27 states and 58 transitions. [2023-11-24 22:16:46,946 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 58 transitions. [2023-11-24 22:16:46,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:16:46,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:46,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:47,090 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 22:16:47,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:47,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 27 states and 56 transitions. [2023-11-24 22:16:47,394 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 56 transitions. [2023-11-24 22:16:47,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:16:47,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:47,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:47,518 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:16:47,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:47,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 28 states and 57 transitions. [2023-11-24 22:16:47,783 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 57 transitions. [2023-11-24 22:16:47,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:16:47,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:47,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:47,941 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:16:48,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:48,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 31 states and 61 transitions. [2023-11-24 22:16:48,959 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 61 transitions. [2023-11-24 22:16:48,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:16:48,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:48,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:50,952 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:53,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:53,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 35 states and 76 transitions. [2023-11-24 22:16:53,149 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 76 transitions. [2023-11-24 22:16:53,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:16:53,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:53,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:54,938 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:57,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:57,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 41 states and 97 transitions. [2023-11-24 22:16:57,972 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 97 transitions. [2023-11-24 22:16:57,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:16:57,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:57,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:58,468 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:59,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:59,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 35 states and 75 transitions. [2023-11-24 22:16:59,298 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 75 transitions. [2023-11-24 22:16:59,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:16:59,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:59,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:59,758 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 22:17:02,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:02,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 41 states and 86 transitions. [2023-11-24 22:17:02,487 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 86 transitions. [2023-11-24 22:17:02,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:17:02,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:02,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:02,666 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:17:03,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:03,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 41 states and 83 transitions. [2023-11-24 22:17:03,207 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 83 transitions. [2023-11-24 22:17:03,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:17:03,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:03,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:03,699 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 22:17:06,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:06,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 45 states and 98 transitions. [2023-11-24 22:17:06,098 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 98 transitions. [2023-11-24 22:17:06,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:17:06,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:06,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:06,449 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 22:17:07,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:07,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 46 states and 100 transitions. [2023-11-24 22:17:07,062 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 100 transitions. [2023-11-24 22:17:07,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:17:07,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:07,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:10,230 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:16,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:16,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 51 states and 117 transitions. [2023-11-24 22:17:16,458 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 117 transitions. [2023-11-24 22:17:16,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:17:16,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:16,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:19,414 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:22,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:22,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 53 states and 122 transitions. [2023-11-24 22:17:22,084 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 122 transitions. [2023-11-24 22:17:22,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:17:22,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:22,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:24,564 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.