./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_81bacfaf-5dd3-4333-9e86-cdd126b2b37d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bacfaf-5dd3-4333-9e86-cdd126b2b37d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bacfaf-5dd3-4333-9e86-cdd126b2b37d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bacfaf-5dd3-4333-9e86-cdd126b2b37d/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bacfaf-5dd3-4333-9e86-cdd126b2b37d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bacfaf-5dd3-4333-9e86-cdd126b2b37d/bin/ukojak-verify-G8NBE6pJGL --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 b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:32:31,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:32:31,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bacfaf-5dd3-4333-9e86-cdd126b2b37d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:32:31,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:32:31,717 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:32:31,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:32:31,745 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:32:31,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:32:31,746 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:32:31,747 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:32:31,747 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:32:31,748 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:32:31,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:32:31,749 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:32:31,750 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:32:31,750 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:32:31,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:32:31,752 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:32:31,752 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:32:31,753 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:32:31,753 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:32:31,755 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:32:31,755 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:32:31,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:32:31,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:31,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:32:31,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:32:31,758 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:32:31,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:32:31,759 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_81bacfaf-5dd3-4333-9e86-cdd126b2b37d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bacfaf-5dd3-4333-9e86-cdd126b2b37d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 [2023-11-19 03:32:32,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:32:32,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:32:32,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:32:32,122 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:32:32,123 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:32:32,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bacfaf-5dd3-4333-9e86-cdd126b2b37d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2023-11-19 03:32:35,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:32:35,801 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:32:35,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bacfaf-5dd3-4333-9e86-cdd126b2b37d/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2023-11-19 03:32:35,844 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bacfaf-5dd3-4333-9e86-cdd126b2b37d/bin/ukojak-verify-G8NBE6pJGL/data/6e2821982/6244249e2334465fb88ebc94ae6ecf80/FLAG6210e3a53 [2023-11-19 03:32:35,862 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bacfaf-5dd3-4333-9e86-cdd126b2b37d/bin/ukojak-verify-G8NBE6pJGL/data/6e2821982/6244249e2334465fb88ebc94ae6ecf80 [2023-11-19 03:32:35,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:32:35,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:32:35,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:35,879 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:32:35,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:32:35,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:35" (1/1) ... [2023-11-19 03:32:35,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@650f5cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:35, skipping insertion in model container [2023-11-19 03:32:35,887 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:35" (1/1) ... [2023-11-19 03:32:35,967 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:32:38,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:38,169 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:32:38,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:38,592 WARN L675 CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:32:38,601 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:32:38,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:38 WrapperNode [2023-11-19 03:32:38,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:38,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:38,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:32:38,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:32:38,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:38" (1/1) ... [2023-11-19 03:32:38,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:38" (1/1) ... [2023-11-19 03:32:38,891 INFO L138 Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 202, calls inlined = 324, statements flattened = 2351 [2023-11-19 03:32:38,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:38,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:32:38,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:32:38,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:32:38,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:38" (1/1) ... [2023-11-19 03:32:38,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:38" (1/1) ... [2023-11-19 03:32:38,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:38" (1/1) ... [2023-11-19 03:32:38,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:38" (1/1) ... [2023-11-19 03:32:39,017 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:38" (1/1) ... [2023-11-19 03:32:39,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:38" (1/1) ... [2023-11-19 03:32:39,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:38" (1/1) ... [2023-11-19 03:32:39,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:38" (1/1) ... [2023-11-19 03:32:39,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:32:39,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:32:39,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:32:39,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:32:39,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:38" (1/1) ... [2023-11-19 03:32:39,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:39,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bacfaf-5dd3-4333-9e86-cdd126b2b37d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:32:39,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bacfaf-5dd3-4333-9e86-cdd126b2b37d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:32:39,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bacfaf-5dd3-4333-9e86-cdd126b2b37d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:32:39,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:32:39,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:32:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:32:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:32:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:32:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:32:39,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:32:39,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:32:39,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:32:39,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:32:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:32:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:32:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:32:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:32:39,671 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:32:39,673 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:32:43,289 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:32:44,278 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:32:44,279 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:32:44,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:44 BoogieIcfgContainer [2023-11-19 03:32:44,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:32:44,296 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:32:44,296 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:32:44,306 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:32:44,307 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:44" (1/1) ... [2023-11-19 03:32:44,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:32:44,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:44,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 700 states and 812 transitions. [2023-11-19 03:32:44,409 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 812 transitions. [2023-11-19 03:32:44,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:32:44,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:44,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:45,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:46,338 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 [] [2023-11-19 03:32:46,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:46,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 699 states and 811 transitions. [2023-11-19 03:32:46,376 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 811 transitions. [2023-11-19 03:32:46,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:32:46,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:46,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:46,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:47,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:47,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 698 states and 810 transitions. [2023-11-19 03:32:47,952 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 810 transitions. [2023-11-19 03:32:47,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:32:47,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:47,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:48,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:48,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:48,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 697 states and 809 transitions. [2023-11-19 03:32:48,166 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 809 transitions. [2023-11-19 03:32:48,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:32:48,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:48,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:48,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:48,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:48,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 696 states and 808 transitions. [2023-11-19 03:32:48,672 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 808 transitions. [2023-11-19 03:32:48,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:32:48,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:48,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:48,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:49,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:49,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 695 states and 807 transitions. [2023-11-19 03:32:49,875 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 807 transitions. [2023-11-19 03:32:49,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:32:49,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:49,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:50,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:51,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:51,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 697 states and 809 transitions. [2023-11-19 03:32:51,723 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 809 transitions. [2023-11-19 03:32:51,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:32:51,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:51,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:52,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:53,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 03:32:54,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:54,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 699 states and 811 transitions. [2023-11-19 03:32:54,373 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 811 transitions. [2023-11-19 03:32:54,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:32:54,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:54,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:55,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:55,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 701 states and 813 transitions. [2023-11-19 03:32:55,242 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 813 transitions. [2023-11-19 03:32:55,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:32:55,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:55,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:55,786 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:56,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:56,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 703 states and 815 transitions. [2023-11-19 03:32:56,187 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 815 transitions. [2023-11-19 03:32:56,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:32:56,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:56,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:56,792 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:57,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:57,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 705 states and 817 transitions. [2023-11-19 03:32:57,235 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 817 transitions. [2023-11-19 03:32:57,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:32:57,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:57,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:58,132 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:59,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:59,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 704 states and 816 transitions. [2023-11-19 03:32:59,421 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 816 transitions. [2023-11-19 03:32:59,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:32:59,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:59,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:59,917 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:00,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:00,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 705 states and 817 transitions. [2023-11-19 03:33:00,537 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 817 transitions. [2023-11-19 03:33:00,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:33:00,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:00,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:00,853 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:01,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:01,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 707 states and 819 transitions. [2023-11-19 03:33:01,400 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 819 transitions. [2023-11-19 03:33:01,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:33:01,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:01,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:01,794 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:02,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:02,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 709 states and 821 transitions. [2023-11-19 03:33:02,453 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 821 transitions. [2023-11-19 03:33:02,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:33:02,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:02,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:02,851 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:03,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:03,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 711 states and 823 transitions. [2023-11-19 03:33:03,544 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 823 transitions. [2023-11-19 03:33:03,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:33:03,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:03,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:03,997 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:04,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:04,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 713 states and 824 transitions. [2023-11-19 03:33:04,562 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 824 transitions. [2023-11-19 03:33:04,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:33:04,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:04,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:05,009 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:33:06,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 03:33:10,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:10,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 715 states and 829 transitions. [2023-11-19 03:33:10,759 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 829 transitions. [2023-11-19 03:33:10,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:33:10,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:10,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:11,430 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:33:12,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 03:33:18,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:18,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 717 states and 831 transitions. [2023-11-19 03:33:18,867 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 831 transitions. [2023-11-19 03:33:18,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:33:18,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:18,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:19,164 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:33:19,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:19,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 716 states and 830 transitions. [2023-11-19 03:33:19,333 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 830 transitions. [2023-11-19 03:33:19,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:33:19,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:19,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:19,836 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:33:20,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:20,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 717 states and 831 transitions. [2023-11-19 03:33:20,311 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 831 transitions. [2023-11-19 03:33:20,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:33:20,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:20,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:20,668 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:33:21,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:21,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 710 states and 820 transitions. [2023-11-19 03:33:21,265 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 820 transitions. [2023-11-19 03:33:21,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:33:21,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:21,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:33:21,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:33:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat