./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_1a8976ff-faf2-40c1-bdca-f7c43554cc9a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8976ff-faf2-40c1-bdca-f7c43554cc9a/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_1a8976ff-faf2-40c1-bdca-f7c43554cc9a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8976ff-faf2-40c1-bdca-f7c43554cc9a/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8976ff-faf2-40c1-bdca-f7c43554cc9a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8976ff-faf2-40c1-bdca-f7c43554cc9a/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 923bc1d588e1fd31be856d665fc28cbbbed3a9b002263483bc91775fdffd6378 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:05,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:05,218 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8976ff-faf2-40c1-bdca-f7c43554cc9a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:55:05,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:55:05,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:55:05,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:05,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:05,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:05,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:05,294 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:55:05,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:55:05,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:55:05,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:05,298 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:55:05,298 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:55:05,299 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:55:05,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:05,300 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:05,300 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:55:05,301 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:05,301 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:05,302 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:05,302 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:05,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:05,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:05,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:05,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:05,305 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:55:05,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:55:05,306 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_1a8976ff-faf2-40c1-bdca-f7c43554cc9a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8976ff-faf2-40c1-bdca-f7c43554cc9a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 923bc1d588e1fd31be856d665fc28cbbbed3a9b002263483bc91775fdffd6378 [2023-11-24 22:55:05,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:05,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:05,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:05,596 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:05,596 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:05,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8976ff-faf2-40c1-bdca-f7c43554cc9a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2023-11-24 22:55:08,832 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:09,402 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:09,403 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8976ff-faf2-40c1-bdca-f7c43554cc9a/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2023-11-24 22:55:09,461 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8976ff-faf2-40c1-bdca-f7c43554cc9a/bin/ukojak-verify-afCqCEvfdi/data/587da0e66/fc1fce7371be47ff970529f010c60e5a/FLAG3f6c11cef [2023-11-24 22:55:09,483 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8976ff-faf2-40c1-bdca-f7c43554cc9a/bin/ukojak-verify-afCqCEvfdi/data/587da0e66/fc1fce7371be47ff970529f010c60e5a [2023-11-24 22:55:09,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:09,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:09,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:09,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:09,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:09,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:09" (1/1) ... [2023-11-24 22:55:09,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45feb9e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:09, skipping insertion in model container [2023-11-24 22:55:09,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:09" (1/1) ... [2023-11-24 22:55:09,620 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:11,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:11,528 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:11,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:12,128 WARN L675 CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:12,138 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:12,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:12 WrapperNode [2023-11-24 22:55:12,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:12,141 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:12,141 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:12,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:12,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:12" (1/1) ... [2023-11-24 22:55:12,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:12" (1/1) ... [2023-11-24 22:55:12,426 INFO L138 Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 202, calls inlined = 246, statements flattened = 1996 [2023-11-24 22:55:12,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:12,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:12,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:12,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:12,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:12" (1/1) ... [2023-11-24 22:55:12,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:12" (1/1) ... [2023-11-24 22:55:12,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:12" (1/1) ... [2023-11-24 22:55:12,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:12" (1/1) ... [2023-11-24 22:55:12,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:12" (1/1) ... [2023-11-24 22:55:12,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:12" (1/1) ... [2023-11-24 22:55:12,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:12" (1/1) ... [2023-11-24 22:55:12,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:12" (1/1) ... [2023-11-24 22:55:12,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:12,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:12,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:12,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:12,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:12" (1/1) ... [2023-11-24 22:55:12,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:12,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8976ff-faf2-40c1-bdca-f7c43554cc9a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:12,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8976ff-faf2-40c1-bdca-f7c43554cc9a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:12,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8976ff-faf2-40c1-bdca-f7c43554cc9a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:55:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:55:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:55:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:55:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:55:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 22:55:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:55:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:55:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:55:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:55:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:13,325 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:13,328 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:16,329 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:17,249 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:17,249 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-24 22:55:17,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:17 BoogieIcfgContainer [2023-11-24 22:55:17,252 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:17,253 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:17,253 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:17,263 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:17,264 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:17" (1/1) ... [2023-11-24 22:55:17,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:17,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:17,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 536 states and 605 transitions. [2023-11-24 22:55:17,365 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 605 transitions. [2023-11-24 22:55:17,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:55:17,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:17,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:18,206 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 22:55:19,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 22:55:19,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:19,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 535 states and 604 transitions. [2023-11-24 22:55:19,307 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 604 transitions. [2023-11-24 22:55:19,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:55:19,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:19,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:19,861 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 22:55:20,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:20,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 534 states and 603 transitions. [2023-11-24 22:55:20,955 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 603 transitions. [2023-11-24 22:55:20,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:55:20,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:20,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:21,115 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 22:55:21,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:21,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 533 states and 602 transitions. [2023-11-24 22:55:21,142 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 602 transitions. [2023-11-24 22:55:21,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:55:21,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:21,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:21,540 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 22:55:21,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:21,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 532 states and 601 transitions. [2023-11-24 22:55:21,627 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 601 transitions. [2023-11-24 22:55:21,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:55:21,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:21,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:21,894 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 22:55:23,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:23,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 531 states and 600 transitions. [2023-11-24 22:55:23,102 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 600 transitions. [2023-11-24 22:55:23,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:55:23,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:23,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:23,498 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 22:55:24,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 22:55:25,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:25,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 533 states and 602 transitions. [2023-11-24 22:55:25,187 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 602 transitions. [2023-11-24 22:55:25,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:55:25,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:25,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:25,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:26,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:26,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 532 states and 601 transitions. [2023-11-24 22:55:26,197 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 601 transitions. [2023-11-24 22:55:26,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:55:26,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:26,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:26,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:26,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:26,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 533 states and 602 transitions. [2023-11-24 22:55:26,724 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 602 transitions. [2023-11-24 22:55:26,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:55:26,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:26,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:26,985 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 22:55:27,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:27,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 535 states and 604 transitions. [2023-11-24 22:55:27,405 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 604 transitions. [2023-11-24 22:55:27,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:55:27,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:27,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:27,692 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:55:30,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:30,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 537 states and 609 transitions. [2023-11-24 22:55:30,310 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 609 transitions. [2023-11-24 22:55:30,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:55:30,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:30,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:30,597 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 22:55:31,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:31,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 539 states and 611 transitions. [2023-11-24 22:55:31,113 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 611 transitions. [2023-11-24 22:55:31,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:55:31,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:31,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:31,532 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:55:32,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 22:55:35,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:35,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 541 states and 613 transitions. [2023-11-24 22:55:35,995 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 613 transitions. [2023-11-24 22:55:35,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:55:35,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:35,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:36,236 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:55:36,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:36,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 540 states and 612 transitions. [2023-11-24 22:55:36,328 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 612 transitions. [2023-11-24 22:55:36,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:55:36,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:36,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:36,673 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:37,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:37,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 542 states and 614 transitions. [2023-11-24 22:55:37,424 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 614 transitions. [2023-11-24 22:55:37,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:55:37,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:37,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:37,772 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:38,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:38,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 544 states and 616 transitions. [2023-11-24 22:55:38,553 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 616 transitions. [2023-11-24 22:55:38,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:55:38,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:38,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:38,945 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:39,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:39,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 546 states and 618 transitions. [2023-11-24 22:55:39,781 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 618 transitions. [2023-11-24 22:55:39,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:55:39,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:39,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:40,215 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:41,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:41,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 548 states and 620 transitions. [2023-11-24 22:55:41,094 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 620 transitions. [2023-11-24 22:55:41,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:55:41,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:41,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:41,547 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:42,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:42,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 550 states and 622 transitions. [2023-11-24 22:55:42,399 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 622 transitions. [2023-11-24 22:55:42,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:55:42,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:42,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:42,857 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:43,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:43,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 552 states and 623 transitions. [2023-11-24 22:55:43,525 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 623 transitions. [2023-11-24 22:55:43,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:55:43,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:43,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:44,400 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-24 22:55:46,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 22:55:53,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:53,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 553 states and 624 transitions. [2023-11-24 22:55:53,338 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 624 transitions. [2023-11-24 22:55:53,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:55:53,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:53,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:53,760 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-24 22:55:54,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:54,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 546 states and 613 transitions. [2023-11-24 22:55:54,451 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 613 transitions. [2023-11-24 22:55:54,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:55:54,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:54,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-24 22:55:55,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:55,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 545 states and 612 transitions. [2023-11-24 22:55:55,422 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 612 transitions. [2023-11-24 22:55:55,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:55:55,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:55,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:56,647 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked.