./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.14-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_b257ad08-76f6-4693-a378-f430428c3de1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b257ad08-76f6-4693-a378-f430428c3de1/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_b257ad08-76f6-4693-a378-f430428c3de1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b257ad08-76f6-4693-a378-f430428c3de1/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.14-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b257ad08-76f6-4693-a378-f430428c3de1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b257ad08-76f6-4693-a378-f430428c3de1/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3bd2edbf3e593c12fc0be33924c944159e0cb6d32e04e77d638ccd9d0e66fc4a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:45,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:45,887 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b257ad08-76f6-4693-a378-f430428c3de1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:10:45,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:10:45,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:10:45,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:45,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:45,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:45,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:45,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:45,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:45,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:45,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:10:45,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:45,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:45,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:45,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:45,934 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:10:45,935 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:10:45,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:45,937 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:45,938 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:45,938 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:45,939 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:45,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:45,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:45,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:45,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:45,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:45,941 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:10:45,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:10:45,943 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:45,943 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_b257ad08-76f6-4693-a378-f430428c3de1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b257ad08-76f6-4693-a378-f430428c3de1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bd2edbf3e593c12fc0be33924c944159e0cb6d32e04e77d638ccd9d0e66fc4a [2023-11-24 22:10:46,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:46,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:46,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:46,336 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:46,337 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:46,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b257ad08-76f6-4693-a378-f430428c3de1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/termination-memory-alloca/b.14-alloca.i [2023-11-24 22:10:49,499 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:49,844 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:49,845 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b257ad08-76f6-4693-a378-f430428c3de1/sv-benchmarks/c/termination-memory-alloca/b.14-alloca.i [2023-11-24 22:10:49,867 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b257ad08-76f6-4693-a378-f430428c3de1/bin/ukojak-verify-afCqCEvfdi/data/870863af3/6013ae88bb564cabbd818434a8880fe2/FLAG4888971ea [2023-11-24 22:10:49,884 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b257ad08-76f6-4693-a378-f430428c3de1/bin/ukojak-verify-afCqCEvfdi/data/870863af3/6013ae88bb564cabbd818434a8880fe2 [2023-11-24 22:10:49,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:49,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:49,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:49,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:49,918 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:49,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:49" (1/1) ... [2023-11-24 22:10:49,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33184ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:49, skipping insertion in model container [2023-11-24 22:10:49,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:49" (1/1) ... [2023-11-24 22:10:49,983 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:50,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:50,382 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:50,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:50,454 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:50,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:50 WrapperNode [2023-11-24 22:10:50,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:50,456 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:50,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:50,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:50,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:50" (1/1) ... [2023-11-24 22:10:50,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:50" (1/1) ... [2023-11-24 22:10:50,498 INFO L138 Inliner]: procedures = 111, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2023-11-24 22:10:50,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:50,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:50,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:50,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:50,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:50" (1/1) ... [2023-11-24 22:10:50,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:50" (1/1) ... [2023-11-24 22:10:50,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:50" (1/1) ... [2023-11-24 22:10:50,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:50" (1/1) ... [2023-11-24 22:10:50,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:50" (1/1) ... [2023-11-24 22:10:50,528 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:50" (1/1) ... [2023-11-24 22:10:50,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:50" (1/1) ... [2023-11-24 22:10:50,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:50" (1/1) ... [2023-11-24 22:10:50,548 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:50,549 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:50,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:50,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:50,551 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:50" (1/1) ... [2023-11-24 22:10:50,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:50,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b257ad08-76f6-4693-a378-f430428c3de1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:50,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b257ad08-76f6-4693-a378-f430428c3de1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:50,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b257ad08-76f6-4693-a378-f430428c3de1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:10:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:10:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:10:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:10:50,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:50,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:50,767 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:50,769 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:50,961 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:51,002 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:10:51,002 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:10:51,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:51 BoogieIcfgContainer [2023-11-24 22:10:51,004 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:10:51,005 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:10:51,005 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:10:51,016 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:10:51,016 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:51" (1/1) ... [2023-11-24 22:10:51,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:10:51,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:51,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-24 22:10:51,081 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-24 22:10:51,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:10:51,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:51,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:51,618 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 22:10:51,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:51,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2023-11-24 22:10:51,787 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-11-24 22:10:51,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:10:51,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:51,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:52,457 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 22:10:52,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:52,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2023-11-24 22:10:52,885 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-11-24 22:10:52,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:10:52,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:52,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:53,223 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 22:10:54,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:54,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2023-11-24 22:10:54,465 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2023-11-24 22:10:54,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:10:54,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:54,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:54,832 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 22:10:55,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:55,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2023-11-24 22:10:55,796 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2023-11-24 22:10:55,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:10:55,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:55,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:56,768 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 22:10:59,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:59,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2023-11-24 22:10:59,868 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2023-11-24 22:10:59,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:10:59,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:59,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:00,044 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 22:11:01,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:01,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 53 states and 95 transitions. [2023-11-24 22:11:01,857 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 95 transitions. [2023-11-24 22:11:01,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:11:01,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:01,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:03,098 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 22:11:05,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:05,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 115 transitions. [2023-11-24 22:11:05,933 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 115 transitions. [2023-11-24 22:11:05,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:11:05,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:05,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:06,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:10,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:10,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 67 states and 129 transitions. [2023-11-24 22:11:10,121 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 129 transitions. [2023-11-24 22:11:10,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:11:10,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:10,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:11,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:12,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:12,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 69 states and 137 transitions. [2023-11-24 22:11:12,482 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 137 transitions. [2023-11-24 22:11:12,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:11:12,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:12,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:12,889 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:11:13,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:13,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 71 states and 143 transitions. [2023-11-24 22:11:13,868 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 143 transitions. [2023-11-24 22:11:13,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:11:13,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:13,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:15,506 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:20,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:20,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 79 states and 161 transitions. [2023-11-24 22:11:20,572 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 161 transitions. [2023-11-24 22:11:20,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:11:20,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:20,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:22,665 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:27,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:27,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 86 states and 181 transitions. [2023-11-24 22:11:27,760 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 181 transitions. [2023-11-24 22:11:27,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:11:27,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:27,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:30,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:30,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 90 states and 191 transitions. [2023-11-24 22:11:30,878 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 191 transitions. [2023-11-24 22:11:30,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:11:30,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:30,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:32,993 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:38,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 98 states and 218 transitions. [2023-11-24 22:11:38,725 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2023-11-24 22:11:38,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:11:38,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:38,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:38,944 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:42,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:42,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 102 states and 225 transitions. [2023-11-24 22:11:42,015 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 225 transitions. [2023-11-24 22:11:42,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:11:42,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:42,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:42,673 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.