./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_97163194-597e-46d1-b34d-f4cf2e7bf32a/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97163194-597e-46d1-b34d-f4cf2e7bf32a/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97163194-597e-46d1-b34d-f4cf2e7bf32a/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97163194-597e-46d1-b34d-f4cf2e7bf32a/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_lamport.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97163194-597e-46d1-b34d-f4cf2e7bf32a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97163194-597e-46d1-b34d-f4cf2e7bf32a/bin/ukojak-verify-i0I2FZA1j2 --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 d49d34698411f85a0a6e83adb869f73bcb1d6aade5262b0ab5e3122db7000276 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:29:16,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:29:16,867 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97163194-597e-46d1-b34d-f4cf2e7bf32a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:29:16,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:29:16,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:29:16,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:29:16,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:29:16,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:29:16,914 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:29:16,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:29:16,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:29:16,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:29:16,922 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:29:16,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:29:16,924 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:29:16,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:29:16,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:29:16,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:29:16,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:29:16,927 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:29:16,927 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:29:16,928 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:29:16,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:29:16,929 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:29:16,930 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:29:16,930 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:29:16,931 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:29:16,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:29:16,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:16,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:29:16,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:29:16,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:29:16,935 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:29:16,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:29:16,935 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:29:16,936 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_97163194-597e-46d1-b34d-f4cf2e7bf32a/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97163194-597e-46d1-b34d-f4cf2e7bf32a/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d49d34698411f85a0a6e83adb869f73bcb1d6aade5262b0ab5e3122db7000276 [2023-11-21 18:29:17,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:29:17,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:29:17,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:29:17,244 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:29:17,245 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:29:17,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97163194-597e-46d1-b34d-f4cf2e7bf32a/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/seq-pthread/cs_lamport.i [2023-11-21 18:29:20,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:29:20,852 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:29:20,853 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97163194-597e-46d1-b34d-f4cf2e7bf32a/sv-benchmarks/c/seq-pthread/cs_lamport.i [2023-11-21 18:29:20,872 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97163194-597e-46d1-b34d-f4cf2e7bf32a/bin/ukojak-verify-i0I2FZA1j2/data/7df23a734/cdabc9e374de4097924c2a93dd0b2ee8/FLAGa5c2d7a75 [2023-11-21 18:29:20,887 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97163194-597e-46d1-b34d-f4cf2e7bf32a/bin/ukojak-verify-i0I2FZA1j2/data/7df23a734/cdabc9e374de4097924c2a93dd0b2ee8 [2023-11-21 18:29:20,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:29:20,892 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:29:20,893 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:20,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:29:20,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:29:20,904 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:20" (1/1) ... [2023-11-21 18:29:20,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b14277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:20, skipping insertion in model container [2023-11-21 18:29:20,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:20" (1/1) ... [2023-11-21 18:29:20,973 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:29:21,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:21,577 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:29:21,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:21,766 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:29:21,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21 WrapperNode [2023-11-21 18:29:21,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:21,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:21,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:29:21,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:29:21,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,874 INFO L138 Inliner]: procedures = 145, calls = 352, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 476 [2023-11-21 18:29:21,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:21,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:29:21,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:29:21,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:29:21,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,929 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,946 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:29:21,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:29:21,954 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:29:21,955 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:29:21,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:21,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97163194-597e-46d1-b34d-f4cf2e7bf32a/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:29:22,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97163194-597e-46d1-b34d-f4cf2e7bf32a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:29:22,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97163194-597e-46d1-b34d-f4cf2e7bf32a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:29:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:29:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:29:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:29:22,041 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:29:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:29:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:29:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:29:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-21 18:29:22,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-21 18:29:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:29:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-21 18:29:22,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-21 18:29:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-21 18:29:22,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-21 18:29:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:29:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:29:22,046 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-21 18:29:22,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-21 18:29:22,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:29:22,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:29:22,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:29:22,239 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:29:22,242 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:29:33,375 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:29:33,552 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:29:33,552 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:29:33,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:33 BoogieIcfgContainer [2023-11-21 18:29:33,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:29:33,555 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:29:33,555 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:29:33,567 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:29:33,567 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:33" (1/1) ... [2023-11-21 18:29:33,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:29:33,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:33,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 112 states and 154 transitions. [2023-11-21 18:29:33,649 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 154 transitions. [2023-11-21 18:29:33,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:29:33,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:33,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:34,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:44,303 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 [] [2023-11-21 18:29:44,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:44,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 113 states and 156 transitions. [2023-11-21 18:29:44,413 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 156 transitions. [2023-11-21 18:29:44,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:29:44,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:44,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:44,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:44,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:44,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 114 states and 157 transitions. [2023-11-21 18:29:44,734 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 157 transitions. [2023-11-21 18:29:44,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:29:44,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:44,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:44,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:44,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:44,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 115 states and 158 transitions. [2023-11-21 18:29:44,911 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 158 transitions. [2023-11-21 18:29:44,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:29:44,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:44,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:45,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:55,430 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 [] [2023-11-21 18:29:55,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:55,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 115 states and 159 transitions. [2023-11-21 18:29:55,502 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 159 transitions. [2023-11-21 18:29:55,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:29:55,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:55,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:55,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:55,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:55,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 116 states and 161 transitions. [2023-11-21 18:29:55,802 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 161 transitions. [2023-11-21 18:29:55,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:29:55,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:55,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:56,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:56,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:56,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 118 states and 163 transitions. [2023-11-21 18:29:56,447 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 163 transitions. [2023-11-21 18:29:56,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:29:56,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:56,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:56,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:29:56,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:56,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 117 states and 162 transitions. [2023-11-21 18:29:56,880 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 162 transitions. [2023-11-21 18:29:56,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:29:56,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:56,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:57,111 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:29:58,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:58,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 125 states and 174 transitions. [2023-11-21 18:29:58,608 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 174 transitions. [2023-11-21 18:29:58,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:29:58,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:58,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:59,003 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:59,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:59,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 126 states and 174 transitions. [2023-11-21 18:29:59,275 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 174 transitions. [2023-11-21 18:29:59,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:29:59,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:59,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:59,484 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:29:59,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:59,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 127 states and 175 transitions. [2023-11-21 18:29:59,512 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 175 transitions. [2023-11-21 18:29:59,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:29:59,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:59,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:00,039 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:30:10,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 18:30:10,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:10,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 127 states and 176 transitions. [2023-11-21 18:30:10,304 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 176 transitions. [2023-11-21 18:30:10,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:30:10,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:10,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:10,716 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:11,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:11,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 130 states and 178 transitions. [2023-11-21 18:30:11,429 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 178 transitions. [2023-11-21 18:30:11,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:30:11,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:11,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:11,799 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 29 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:30:12,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:12,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 126 states and 170 transitions. [2023-11-21 18:30:12,026 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 170 transitions. [2023-11-21 18:30:12,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:30:12,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:12,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:12,390 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:30:13,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:13,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 129 states and 172 transitions. [2023-11-21 18:30:13,107 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 172 transitions. [2023-11-21 18:30:13,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:30:13,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:13,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:13,663 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:30:17,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:17,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 141 states and 184 transitions. [2023-11-21 18:30:17,386 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 184 transitions. [2023-11-21 18:30:17,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:30:17,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:17,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:17,905 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-21 18:30:21,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:21,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 140 states and 183 transitions. [2023-11-21 18:30:21,351 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 183 transitions. [2023-11-21 18:30:21,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:30:21,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:21,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:21,710 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-21 18:30:21,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:21,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 139 states and 182 transitions. [2023-11-21 18:30:21,732 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 182 transitions. [2023-11-21 18:30:21,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:30:21,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:21,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:22,137 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-21 18:30:22,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:22,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 138 states and 181 transitions. [2023-11-21 18:30:22,158 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 181 transitions. [2023-11-21 18:30:22,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:30:22,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:22,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat