./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_666a9911-1921-45ef-95b5-c72e4869fa28/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_666a9911-1921-45ef-95b5-c72e4869fa28/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_666a9911-1921-45ef-95b5-c72e4869fa28/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_666a9911-1921-45ef-95b5-c72e4869fa28/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_666a9911-1921-45ef-95b5-c72e4869fa28/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_666a9911-1921-45ef-95b5-c72e4869fa28/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 345f2c82068eea48aca6314e15d35413af585b08222f0693277bcfbc8625f6ae --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:05,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:05,434 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_666a9911-1921-45ef-95b5-c72e4869fa28/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:51:05,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:51:05,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:51:05,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:05,487 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:05,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:05,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:05,494 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:51:05,495 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:05,495 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:51:05,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:05,498 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:51:05,498 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:51:05,499 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:51:05,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:05,500 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:51:05,500 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:51:05,501 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:05,501 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:05,502 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:05,502 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:05,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:05,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:05,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:05,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:05,505 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:51:05,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:51:05,506 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_666a9911-1921-45ef-95b5-c72e4869fa28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_666a9911-1921-45ef-95b5-c72e4869fa28/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 345f2c82068eea48aca6314e15d35413af585b08222f0693277bcfbc8625f6ae [2023-11-24 22:51:05,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:05,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:05,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:05,922 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:05,923 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:05,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_666a9911-1921-45ef-95b5-c72e4869fa28/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2023-11-24 22:51:09,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:09,467 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:09,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_666a9911-1921-45ef-95b5-c72e4869fa28/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2023-11-24 22:51:09,513 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_666a9911-1921-45ef-95b5-c72e4869fa28/bin/ukojak-verify-afCqCEvfdi/data/14ecf6f46/594e44779241486baab4054831692dfb/FLAG8e64cdfa1 [2023-11-24 22:51:09,531 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_666a9911-1921-45ef-95b5-c72e4869fa28/bin/ukojak-verify-afCqCEvfdi/data/14ecf6f46/594e44779241486baab4054831692dfb [2023-11-24 22:51:09,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:09,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:09,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:09,542 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:09,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:09,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:09" (1/1) ... [2023-11-24 22:51:09,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12be44c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:09, skipping insertion in model container [2023-11-24 22:51:09,550 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:09" (1/1) ... [2023-11-24 22:51:09,656 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:11,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:11,288 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:11,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:11,739 WARN L675 CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:11,747 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:11,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11 WrapperNode [2023-11-24 22:51:11,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:11,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:11,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:11,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:11,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:11,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:11,986 INFO L138 Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 202, calls inlined = 246, statements flattened = 1996 [2023-11-24 22:51:11,991 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:11,992 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:11,992 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:11,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:12,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:12,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:12,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:12,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:12,105 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:12,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:12,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:12,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:12,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:12,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:12,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:12,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:12,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:12,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:12,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_666a9911-1921-45ef-95b5-c72e4869fa28/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:12,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_666a9911-1921-45ef-95b5-c72e4869fa28/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:12,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_666a9911-1921-45ef-95b5-c72e4869fa28/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:12,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:51:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:51:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:51:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:51:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:51:12,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:12,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:12,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 22:51:12,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:51:12,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:51:12,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:51:12,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:51:12,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:51:12,692 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:12,694 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:15,523 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:16,427 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:16,427 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-24 22:51:16,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:16 BoogieIcfgContainer [2023-11-24 22:51:16,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:16,432 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:16,432 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:16,443 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:16,443 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:16" (1/1) ... [2023-11-24 22:51:16,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:16,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 536 states and 605 transitions. [2023-11-24 22:51:16,541 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 605 transitions. [2023-11-24 22:51:16,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:51:16,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:17,280 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 22:51:18,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:18,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 535 states and 604 transitions. [2023-11-24 22:51:18,256 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 604 transitions. [2023-11-24 22:51:18,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:51:18,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:18,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:18,728 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 22:51:19,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 22:51:19,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:19,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 534 states and 603 transitions. [2023-11-24 22:51:19,864 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 603 transitions. [2023-11-24 22:51:19,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:51:19,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:19,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:20,027 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 22:51:20,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:20,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 533 states and 602 transitions. [2023-11-24 22:51:20,059 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 602 transitions. [2023-11-24 22:51:20,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:51:20,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:20,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:20,505 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 22:51:20,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:20,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 532 states and 601 transitions. [2023-11-24 22:51:20,603 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 601 transitions. [2023-11-24 22:51:20,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:51:20,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:20,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:20,874 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 22:51:22,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:22,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 531 states and 600 transitions. [2023-11-24 22:51:22,100 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 600 transitions. [2023-11-24 22:51:22,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:51:22,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:22,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:22,571 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 22:51:24,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:24,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 533 states and 602 transitions. [2023-11-24 22:51:24,021 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 602 transitions. [2023-11-24 22:51:24,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:51:24,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:24,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:24,453 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 22:51:25,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:25,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 532 states and 601 transitions. [2023-11-24 22:51:25,029 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 601 transitions. [2023-11-24 22:51:25,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:51:25,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:25,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:25,308 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 22:51:25,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:25,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 533 states and 602 transitions. [2023-11-24 22:51:25,600 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 602 transitions. [2023-11-24 22:51:25,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:51:25,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:25,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:25,845 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 22:51:26,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:26,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 535 states and 604 transitions. [2023-11-24 22:51:26,253 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 604 transitions. [2023-11-24 22:51:26,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:51:26,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:26,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:26,548 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 22:51:29,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:29,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 537 states and 609 transitions. [2023-11-24 22:51:29,418 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 609 transitions. [2023-11-24 22:51:29,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:51:29,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:29,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:29,765 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 22:51:30,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:30,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 539 states and 611 transitions. [2023-11-24 22:51:30,401 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 611 transitions. [2023-11-24 22:51:30,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:51:30,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:30,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:30,960 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 22:51:32,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 22:51:36,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:36,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 541 states and 613 transitions. [2023-11-24 22:51:36,457 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 613 transitions. [2023-11-24 22:51:36,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:51:36,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:36,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:36,757 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 22:51:36,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:36,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 540 states and 612 transitions. [2023-11-24 22:51:36,878 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 612 transitions. [2023-11-24 22:51:36,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:51:36,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:36,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:37,245 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 22:51:38,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:38,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 542 states and 614 transitions. [2023-11-24 22:51:38,209 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 614 transitions. [2023-11-24 22:51:38,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:51:38,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:38,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:38,719 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 22:51:39,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:39,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 544 states and 616 transitions. [2023-11-24 22:51:39,735 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 616 transitions. [2023-11-24 22:51:39,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:51:39,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:39,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:40,240 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 22:51:41,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:41,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 546 states and 618 transitions. [2023-11-24 22:51:41,384 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 618 transitions. [2023-11-24 22:51:41,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:51:41,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:41,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:41,988 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 22:51:43,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:43,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 548 states and 620 transitions. [2023-11-24 22:51:43,109 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 620 transitions. [2023-11-24 22:51:43,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:51:43,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:43,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:43,710 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 22:51:44,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:44,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 550 states and 622 transitions. [2023-11-24 22:51:44,953 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 622 transitions. [2023-11-24 22:51:44,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:51:44,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:44,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:45,575 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 22:51:46,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:46,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 552 states and 623 transitions. [2023-11-24 22:51:46,461 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 623 transitions. [2023-11-24 22:51:46,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:51:46,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:46,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:47,481 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 22:51:49,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []