./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_peterson.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_1c313eac-8c6e-4cec-813f-b0c432134ac7/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c313eac-8c6e-4cec-813f-b0c432134ac7/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c313eac-8c6e-4cec-813f-b0c432134ac7/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c313eac-8c6e-4cec-813f-b0c432134ac7/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_peterson.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c313eac-8c6e-4cec-813f-b0c432134ac7/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c313eac-8c6e-4cec-813f-b0c432134ac7/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a8be7009a37d1df58713fd67cd9771c39e6139a0416009824ceb58da10928b7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:21:07,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:21:07,530 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c313eac-8c6e-4cec-813f-b0c432134ac7/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:21:07,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:21:07,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:21:07,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:21:07,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:21:07,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:21:07,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:21:07,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:21:07,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:21:07,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:21:07,573 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:21:07,573 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:21:07,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:21:07,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:21:07,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:21:07,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:21:07,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:21:07,577 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:21:07,578 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:21:07,579 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:21:07,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:21:07,580 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:21:07,589 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:21:07,590 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:21:07,590 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:21:07,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:21:07,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:21:07,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:21:07,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:21:07,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:21:07,593 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:21:07,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:21:07,595 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:21:07,596 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_1c313eac-8c6e-4cec-813f-b0c432134ac7/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c313eac-8c6e-4cec-813f-b0c432134ac7/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a8be7009a37d1df58713fd67cd9771c39e6139a0416009824ceb58da10928b7 [2023-11-23 20:21:07,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:21:07,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:21:07,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:21:07,923 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:21:07,924 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:21:07,926 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c313eac-8c6e-4cec-813f-b0c432134ac7/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/seq-pthread/cs_peterson.i [2023-11-23 20:21:11,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:21:11,423 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:21:11,423 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c313eac-8c6e-4cec-813f-b0c432134ac7/sv-benchmarks/c/seq-pthread/cs_peterson.i [2023-11-23 20:21:11,445 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c313eac-8c6e-4cec-813f-b0c432134ac7/bin/ukojak-verify-1t5iHCbJaC/data/4af07bb43/9ea2b82e3f8f480591cb458062877657/FLAG2f4303533 [2023-11-23 20:21:11,462 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c313eac-8c6e-4cec-813f-b0c432134ac7/bin/ukojak-verify-1t5iHCbJaC/data/4af07bb43/9ea2b82e3f8f480591cb458062877657 [2023-11-23 20:21:11,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:21:11,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:21:11,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:21:11,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:21:11,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:21:11,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:21:11" (1/1) ... [2023-11-23 20:21:11,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2063bd51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:11, skipping insertion in model container [2023-11-23 20:21:11,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:21:11" (1/1) ... [2023-11-23 20:21:11,547 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:21:12,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:21:12,239 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:21:12,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:21:12,391 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:21:12,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:12 WrapperNode [2023-11-23 20:21:12,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:21:12,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:21:12,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:21:12,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:21:12,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:12" (1/1) ... [2023-11-23 20:21:12,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:12" (1/1) ... [2023-11-23 20:21:12,486 INFO L138 Inliner]: procedures = 145, calls = 277, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 442 [2023-11-23 20:21:12,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:21:12,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:21:12,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:21:12,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:21:12,498 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:12" (1/1) ... [2023-11-23 20:21:12,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:12" (1/1) ... [2023-11-23 20:21:12,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:12" (1/1) ... [2023-11-23 20:21:12,510 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:12" (1/1) ... [2023-11-23 20:21:12,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:12" (1/1) ... [2023-11-23 20:21:12,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:12" (1/1) ... [2023-11-23 20:21:12,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:12" (1/1) ... [2023-11-23 20:21:12,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:12" (1/1) ... [2023-11-23 20:21:12,586 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:21:12,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:21:12,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:21:12,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:21:12,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:12" (1/1) ... [2023-11-23 20:21:12,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:21:12,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c313eac-8c6e-4cec-813f-b0c432134ac7/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:21:12,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c313eac-8c6e-4cec-813f-b0c432134ac7/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:21:12,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c313eac-8c6e-4cec-813f-b0c432134ac7/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:21:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:21:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:21:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:21:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:21:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:21:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:21:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:21:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-23 20:21:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-23 20:21:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:21:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-23 20:21:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-23 20:21:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-23 20:21:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-23 20:21:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:21:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:21:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-23 20:21:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-23 20:21:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:21:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:21:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:21:12,894 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:21:12,897 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:21:23,709 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:21:23,859 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:21:23,860 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:21:23,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:23 BoogieIcfgContainer [2023-11-23 20:21:23,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:21:23,863 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:21:23,863 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:21:23,874 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:21:23,875 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:23" (1/1) ... [2023-11-23 20:21:23,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:21:23,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:23,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 108 states and 148 transitions. [2023-11-23 20:21:23,978 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 148 transitions. [2023-11-23 20:21:23,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:21:23,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:23,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:24,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:34,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:21:34,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:34,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 110 states and 151 transitions. [2023-11-23 20:21:34,888 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 151 transitions. [2023-11-23 20:21:34,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:21:34,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:34,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:35,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:35,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:35,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 111 states and 152 transitions. [2023-11-23 20:21:35,120 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 152 transitions. [2023-11-23 20:21:35,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:21:35,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:35,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:35,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:45,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:21:45,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:45,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 111 states and 153 transitions. [2023-11-23 20:21:45,710 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 153 transitions. [2023-11-23 20:21:45,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:21:45,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:45,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:45,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:46,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:46,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 112 states and 155 transitions. [2023-11-23 20:21:46,080 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 155 transitions. [2023-11-23 20:21:46,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:21:46,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:46,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:46,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:46,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:46,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 114 states and 157 transitions. [2023-11-23 20:21:46,811 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 157 transitions. [2023-11-23 20:21:46,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:21:46,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:46,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:47,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:21:47,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 113 states and 156 transitions. [2023-11-23 20:21:47,412 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 156 transitions. [2023-11-23 20:21:47,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:21:47,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:47,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:47,638 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:21:49,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:49,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 121 states and 168 transitions. [2023-11-23 20:21:49,534 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 168 transitions. [2023-11-23 20:21:49,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:21:49,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:49,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:49,925 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:50,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:50,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 122 states and 168 transitions. [2023-11-23 20:21:50,250 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2023-11-23 20:21:50,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:21:50,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:50,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:50,442 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:21:50,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:50,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 123 states and 169 transitions. [2023-11-23 20:21:50,475 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 169 transitions. [2023-11-23 20:21:50,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:21:50,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:50,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:51,165 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:22:01,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:22:01,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:01,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 123 states and 170 transitions. [2023-11-23 20:22:01,542 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 170 transitions. [2023-11-23 20:22:01,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:22:01,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:01,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:02,036 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:22:03,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:03,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 126 states and 172 transitions. [2023-11-23 20:22:03,003 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 172 transitions. [2023-11-23 20:22:03,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:22:03,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:03,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:03,365 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 29 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:22:03,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:03,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 122 states and 164 transitions. [2023-11-23 20:22:03,660 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 164 transitions. [2023-11-23 20:22:03,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:22:03,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:03,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:04,070 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:22:04,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:04,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 125 states and 166 transitions. [2023-11-23 20:22:04,908 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 166 transitions. [2023-11-23 20:22:04,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:22:04,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:04,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:22:09,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:09,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 137 states and 178 transitions. [2023-11-23 20:22:09,801 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 178 transitions. [2023-11-23 20:22:09,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:22:09,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:09,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:10,356 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.