./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/ps6-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps6-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:30:43,031 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:30:43,100 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:30:43,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:30:43,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:30:43,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:30:43,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:30:43,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:30:43,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:30:43,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:30:43,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:30:43,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:30:43,131 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:30:43,131 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:30:43,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:30:43,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:30:43,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:30:43,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:30:43,132 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:30:43,132 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:30:43,132 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:30:43,132 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:30:43,132 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:30:43,132 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:30:43,133 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:30:43,133 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:30:43,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:30:43,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:30:43,133 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:30:43,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:30:43,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:30:43,133 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:30:43,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:30:43,134 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) 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 -> 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 [2024-12-06 02:30:43,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:30:43,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:30:43,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:30:43,448 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:30:43,448 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:30:43,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/ps6-ll.c [2024-12-06 02:30:46,785 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/data/8df0226c8/c0fb12cf8a244b558fa90136adf8ce3d/FLAG550d232cf [2024-12-06 02:30:47,038 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:30:47,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/sv-benchmarks/c/nla-digbench/ps6-ll.c [2024-12-06 02:30:47,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/data/8df0226c8/c0fb12cf8a244b558fa90136adf8ce3d/FLAG550d232cf [2024-12-06 02:30:47,066 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/data/8df0226c8/c0fb12cf8a244b558fa90136adf8ce3d [2024-12-06 02:30:47,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:30:47,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:30:47,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:30:47,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:30:47,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:30:47,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:30:47" (1/1) ... [2024-12-06 02:30:47,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f0e3c10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:47, skipping insertion in model container [2024-12-06 02:30:47,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:30:47" (1/1) ... [2024-12-06 02:30:47,096 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:30:47,262 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2024-12-06 02:30:47,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:30:47,291 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:30:47,304 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2024-12-06 02:30:47,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:30:47,330 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:30:47,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:47 WrapperNode [2024-12-06 02:30:47,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:30:47,332 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:30:47,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:30:47,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:30:47,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:47" (1/1) ... [2024-12-06 02:30:47,348 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:47" (1/1) ... [2024-12-06 02:30:47,367 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2024-12-06 02:30:47,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:30:47,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:30:47,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:30:47,368 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:30:47,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:47" (1/1) ... [2024-12-06 02:30:47,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:47" (1/1) ... [2024-12-06 02:30:47,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:47" (1/1) ... [2024-12-06 02:30:47,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:47" (1/1) ... [2024-12-06 02:30:47,383 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:47" (1/1) ... [2024-12-06 02:30:47,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:47" (1/1) ... [2024-12-06 02:30:47,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:47" (1/1) ... [2024-12-06 02:30:47,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:47" (1/1) ... [2024-12-06 02:30:47,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:47" (1/1) ... [2024-12-06 02:30:47,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:30:47,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:30:47,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:30:47,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:30:47,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:47" (1/1) ... [2024-12-06 02:30:47,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:30:47,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:30:47,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:30:47,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:30:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:30:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:30:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:30:47,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:30:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:30:47,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:30:47,531 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:30:47,533 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:30:47,667 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 02:30:47,667 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:30:47,707 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:30:47,708 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:30:47,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:30:47 BoogieIcfgContainer [2024-12-06 02:30:47,708 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:30:47,709 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:30:47,709 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:30:47,719 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:30:47,719 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:30:47" (1/1) ... [2024-12-06 02:30:47,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:30:47,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:47,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-12-06 02:30:47,776 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-12-06 02:30:47,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:30:47,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:47,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:30:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:47,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:30:47,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:30:48,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:48,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-12-06 02:30:48,142 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-12-06 02:30:48,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 02:30:48,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:48,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:48,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:30:48,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:48,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-12-06 02:30:48,873 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-12-06 02:30:48,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 02:30:48,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:48,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:30:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:48,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 02:30:48,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:48,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:30:49,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:49,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-12-06 02:30:49,293 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-12-06 02:30:49,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:30:49,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:49,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:30:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:49,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:30:49,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:49,389 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:30:49,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:49,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-12-06 02:30:49,468 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-12-06 02:30:49,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 02:30:49,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:49,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:30:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:49,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 02:30:49,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:49,604 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:30:49,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:49,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2024-12-06 02:30:49,945 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2024-12-06 02:30:49,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:30:49,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:49,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:30:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:49,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 02:30:49,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:50,149 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:30:50,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:50,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2024-12-06 02:30:50,832 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2024-12-06 02:30:50,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:30:50,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:50,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:30:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:50,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 02:30:50,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:51,063 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:30:51,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:51,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-12-06 02:30:51,460 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-12-06 02:30:51,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 02:30:51,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:51,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:30:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:51,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 02:30:51,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:51,698 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 02:30:52,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:52,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2024-12-06 02:30:52,571 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2024-12-06 02:30:52,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 02:30:52,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:52,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:30:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:52,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 02:30:52,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:52,909 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 02:30:53,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:53,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2024-12-06 02:30:53,396 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2024-12-06 02:30:53,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:30:53,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:53,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:30:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:53,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 02:30:53,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:53,771 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 02:30:54,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:54,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 44 states and 82 transitions. [2024-12-06 02:30:54,953 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2024-12-06 02:30:54,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 02:30:54,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:54,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:30:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:55,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 02:30:55,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:55,535 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 21 proven. 26 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 02:30:56,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:56,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2024-12-06 02:30:56,071 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2024-12-06 02:30:56,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 02:30:56,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:56,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:30:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:56,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 02:30:56,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:56,382 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 11 proven. 36 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-06 02:30:57,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:57,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 52 states and 99 transitions. [2024-12-06 02:30:57,566 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 99 transitions. [2024-12-06 02:30:57,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 02:30:57,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:57,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:30:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:58,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 02:30:58,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:58,651 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 28 proven. 44 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-06 02:30:59,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:59,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 54 states and 103 transitions. [2024-12-06 02:30:59,233 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 103 transitions. [2024-12-06 02:30:59,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 02:30:59,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:59,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:30:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:59,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-06 02:30:59,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:59,523 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 13 proven. 49 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-06 02:31:00,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:00,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2024-12-06 02:31:00,758 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2024-12-06 02:31:00,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 02:31:00,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:00,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:00,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-06 02:31:00,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:00,978 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 23 proven. 76 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-06 02:31:01,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:01,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 62 states and 120 transitions. [2024-12-06 02:31:01,604 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 120 transitions. [2024-12-06 02:31:01,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 02:31:01,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:01,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:01,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 02:31:01,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:01,984 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 16 proven. 42 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 02:31:03,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:03,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 133 transitions. [2024-12-06 02:31:03,674 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 133 transitions. [2024-12-06 02:31:03,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 02:31:03,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:03,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:03,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-12-06 02:31:03,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:03,933 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 41 proven. 84 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-06 02:31:04,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:04,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 70 states and 137 transitions. [2024-12-06 02:31:04,668 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 137 transitions. [2024-12-06 02:31:04,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-06 02:31:04,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:04,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:04,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 02:31:04,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:05,071 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 18 proven. 56 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 02:31:06,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:06,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 76 states and 150 transitions. [2024-12-06 02:31:06,871 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 150 transitions. [2024-12-06 02:31:06,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-06 02:31:06,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:06,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:08,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 02:31:08,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:08,932 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 41 proven. 82 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 02:31:10,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:10,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 78 states and 154 transitions. [2024-12-06 02:31:10,028 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 154 transitions. [2024-12-06 02:31:10,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 02:31:10,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:10,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:10,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 02:31:10,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:10,480 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 19 proven. 100 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-06 02:31:12,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:12,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 84 states and 167 transitions. [2024-12-06 02:31:12,392 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 167 transitions. [2024-12-06 02:31:12,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 02:31:12,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:12,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:12,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-12-06 02:31:12,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:13,195 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 52 proven. 140 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-06 02:31:14,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:14,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 86 states and 171 transitions. [2024-12-06 02:31:14,095 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 171 transitions. [2024-12-06 02:31:14,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-12-06 02:31:14,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:14,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:14,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-06 02:31:14,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:14,601 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 21 proven. 121 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-06 02:31:16,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:16,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 92 states and 184 transitions. [2024-12-06 02:31:16,857 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 184 transitions. [2024-12-06 02:31:16,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-06 02:31:16,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:16,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:20,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 02:31:20,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:21,128 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 51 proven. 122 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-06 02:31:22,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:22,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 94 states and 188 transitions. [2024-12-06 02:31:22,272 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 188 transitions. [2024-12-06 02:31:22,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-06 02:31:22,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:22,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:22,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 02:31:22,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:22,767 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 24 proven. 110 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-06 02:31:25,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:25,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 100 states and 201 transitions. [2024-12-06 02:31:25,215 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 201 transitions. [2024-12-06 02:31:25,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-06 02:31:25,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:25,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:25,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-12-06 02:31:25,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:25,574 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 112 proven. 161 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-12-06 02:31:26,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:26,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 102 states and 205 transitions. [2024-12-06 02:31:26,751 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 205 transitions. [2024-12-06 02:31:26,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-06 02:31:26,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:26,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:26,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-12-06 02:31:26,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:27,237 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 25 proven. 169 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-06 02:31:29,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:29,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 108 states and 218 transitions. [2024-12-06 02:31:29,843 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 218 transitions. [2024-12-06 02:31:29,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-06 02:31:29,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:29,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:35,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 92 conjuncts are in the unsatisfiable core [2024-12-06 02:31:35,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:35,595 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 74 proven. 247 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:31:50,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 14.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:31:51,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:51,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 110 states and 222 transitions. [2024-12-06 02:31:51,041 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 222 transitions. [2024-12-06 02:31:51,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-06 02:31:51,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:51,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:51,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-12-06 02:31:51,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 27 proven. 196 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-06 02:31:53,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:53,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 116 states and 235 transitions. [2024-12-06 02:31:53,948 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 235 transitions. [2024-12-06 02:31:53,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-06 02:31:53,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:53,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:54,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-12-06 02:31:54,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:54,251 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 93 proven. 251 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-12-06 02:31:55,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:55,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 118 states and 239 transitions. [2024-12-06 02:31:55,407 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 239 transitions. [2024-12-06 02:31:55,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-06 02:31:55,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:55,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:55,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-12-06 02:31:55,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:55,937 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 29 proven. 225 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-12-06 02:31:58,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:58,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 124 states and 252 transitions. [2024-12-06 02:31:58,734 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 252 transitions. [2024-12-06 02:31:58,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-06 02:31:58,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:58,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:58,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-12-06 02:31:58,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:59,087 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 146 proven. 241 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-06 02:32:00,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:32:00,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 126 states and 256 transitions. [2024-12-06 02:32:00,315 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 256 transitions. [2024-12-06 02:32:00,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-06 02:32:00,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:32:00,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:32:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:32:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:32:00,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-12-06 02:32:00,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:32:00,841 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 32 proven. 210 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-06 02:32:03,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:32:03,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 132 states and 269 transitions. [2024-12-06 02:32:03,866 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 269 transitions. [2024-12-06 02:32:03,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-06 02:32:03,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:32:03,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:32:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:32:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:32:03,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-12-06 02:32:04,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:32:04,251 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 112 proven. 320 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-12-06 02:32:05,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:32:05,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 134 states and 273 transitions. [2024-12-06 02:32:05,616 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 273 transitions. [2024-12-06 02:32:05,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-06 02:32:05,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:32:05,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:32:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:32:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:32:05,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-12-06 02:32:05,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:32:06,250 INFO L134 CoverageAnalysis]: Checked inductivity of 818 backedges. 33 proven. 289 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-06 02:32:09,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:32:09,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 140 states and 286 transitions. [2024-12-06 02:32:09,611 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 286 transitions. [2024-12-06 02:32:09,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-06 02:32:09,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:32:09,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:32:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:32:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:32:09,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-12-06 02:32:09,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:32:10,272 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 116 proven. 297 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-12-06 02:32:24,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:32:24,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:32:24,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 142 states and 290 transitions. [2024-12-06 02:32:24,326 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 290 transitions. [2024-12-06 02:32:24,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-06 02:32:24,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:32:24,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:32:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:32:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:32:24,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-12-06 02:32:24,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:32:25,125 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 35 proven. 324 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-06 02:32:29,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:32:29,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 148 states and 303 transitions. [2024-12-06 02:32:29,239 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 303 transitions. [2024-12-06 02:32:29,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-06 02:32:29,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:32:29,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:32:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:32:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:32:39,327 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 02:32:39,332 INFO L158 Benchmark]: Toolchain (without parser) took 112261.43ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 118.0MB in the beginning and 105.2MB in the end (delta: 12.8MB). Peak memory consumption was 196.7MB. Max. memory is 16.1GB. [2024-12-06 02:32:39,332 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:32:39,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.67ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 106.6MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:32:39,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.03ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:32:39,334 INFO L158 Benchmark]: Boogie Preprocessor took 23.36ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.7MB in the end (delta: 831.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:32:39,334 INFO L158 Benchmark]: RCFGBuilder took 316.14ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 92.5MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:32:39,335 INFO L158 Benchmark]: CodeCheck took 111621.92ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 92.5MB in the beginning and 105.2MB in the end (delta: -12.6MB). Peak memory consumption was 171.5MB. Max. memory is 16.1GB. [2024-12-06 02:32:39,337 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.67ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 106.6MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.03ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.36ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.7MB in the end (delta: 831.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 316.14ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 92.5MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 111621.92ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 92.5MB in the beginning and 105.2MB in the end (delta: -12.6MB). Peak memory consumption was 171.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:32:39,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps6-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:32:41,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:32:41,824 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 02:32:41,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:32:41,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:32:41,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:32:41,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:32:41,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:32:41,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:32:41,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:32:41,858 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:32:41,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:32:41,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:32:41,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:32:41,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:32:41,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:32:41,859 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:32:41,859 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:32:41,859 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:32:41,859 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:32:41,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:32:41,860 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:32:41,860 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:32:41,860 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:32:41,860 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:32:41,860 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:32:41,861 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:32:41,861 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:32:41,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:32:41,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:32:41,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:32:41,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:32:41,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:32:41,862 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:32:41,862 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:32:41,862 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:32:41,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) 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 -> 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 [2024-12-06 02:32:42,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:32:42,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:32:42,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:32:42,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:32:42,143 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:32:42,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/ps6-ll.c [2024-12-06 02:32:45,699 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/data/ef2b08a4f/a26c7c0e46aa4423854b4218e6bfba95/FLAG90bd59d4c [2024-12-06 02:32:45,934 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:32:45,935 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/sv-benchmarks/c/nla-digbench/ps6-ll.c [2024-12-06 02:32:45,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/data/ef2b08a4f/a26c7c0e46aa4423854b4218e6bfba95/FLAG90bd59d4c [2024-12-06 02:32:45,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/data/ef2b08a4f/a26c7c0e46aa4423854b4218e6bfba95 [2024-12-06 02:32:45,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:32:45,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:32:45,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:32:45,973 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:32:45,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:32:45,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:32:45" (1/1) ... [2024-12-06 02:32:45,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@620e1fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:45, skipping insertion in model container [2024-12-06 02:32:45,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:32:45" (1/1) ... [2024-12-06 02:32:46,000 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:32:46,178 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2024-12-06 02:32:46,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:32:46,219 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:32:46,232 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2024-12-06 02:32:46,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:32:46,261 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:32:46,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:46 WrapperNode [2024-12-06 02:32:46,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:32:46,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:32:46,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:32:46,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:32:46,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:46" (1/1) ... [2024-12-06 02:32:46,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:46" (1/1) ... [2024-12-06 02:32:46,299 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-12-06 02:32:46,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:32:46,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:32:46,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:32:46,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:32:46,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:46" (1/1) ... [2024-12-06 02:32:46,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:46" (1/1) ... [2024-12-06 02:32:46,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:46" (1/1) ... [2024-12-06 02:32:46,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:46" (1/1) ... [2024-12-06 02:32:46,319 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:46" (1/1) ... [2024-12-06 02:32:46,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:46" (1/1) ... [2024-12-06 02:32:46,324 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:46" (1/1) ... [2024-12-06 02:32:46,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:46" (1/1) ... [2024-12-06 02:32:46,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:46" (1/1) ... [2024-12-06 02:32:46,329 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:32:46,330 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:32:46,330 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:32:46,330 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:32:46,332 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:46" (1/1) ... [2024-12-06 02:32:46,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:32:46,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:32:46,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:32:46,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:32:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:32:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:32:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:32:46,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:32:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:32:46,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:32:46,480 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:32:46,483 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:32:47,217 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 02:32:47,217 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:32:47,273 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:32:47,274 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:32:47,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:32:47 BoogieIcfgContainer [2024-12-06 02:32:47,274 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:32:47,275 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:32:47,275 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:32:47,283 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:32:47,284 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:32:47" (1/1) ... [2024-12-06 02:32:47,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:32:47,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:32:47,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-12-06 02:32:47,340 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-12-06 02:32:47,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:32:47,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:32:47,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:32:47,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:32:47,345 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:32:47,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:32:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:32:47,894 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:32:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:32:48,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:32:48,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:32:48,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:32:48,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:32:50,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:32:50,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-12-06 02:32:50,059 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-12-06 02:32:50,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 02:32:50,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:32:50,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:32:50,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:32:50,065 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:32:50,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:32:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:32:50,676 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:32:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:32:50,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:32:50,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:33:09,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:33:09,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:33:16,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:33:46,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:33:48,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:33:48,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-12-06 02:33:48,883 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-12-06 02:33:48,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 02:33:48,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:33:48,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:33:48,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:33:48,886 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:33:48,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:33:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:33:49,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:33:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:33:50,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 02:33:50,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:33:51,502 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:33:51,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 02:34:08,728 WARN L286 SmtUtils]: Spent 5.85s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:34:37,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:34:37,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-12-06 02:34:37,742 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-12-06 02:34:37,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:34:37,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:34:37,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:34:37,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:34:37,744 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:34:37,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 02:34:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:34:38,253 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:34:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:34:38,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:34:38,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:34:39,795 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:34:39,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 02:35:23,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:35:23,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2024-12-06 02:35:23,403 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2024-12-06 02:35:23,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 02:35:23,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:35:23,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:35:23,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:35:23,406 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:35:23,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 02:35:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:35:24,733 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:35:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:35:25,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 02:35:25,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:35:26,766 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:35:26,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 02:36:16,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:16,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2024-12-06 02:36:16,267 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2024-12-06 02:36:16,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:36:16,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:16,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:16,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:36:16,270 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:36:16,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 02:36:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:17,209 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:36:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:17,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:36:17,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:36:20,953 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:36:20,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 02:37:39,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:37:39,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 60 transitions. [2024-12-06 02:37:39,271 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 60 transitions. [2024-12-06 02:37:39,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:37:39,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:37:39,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:37:39,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:37:39,274 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:37:39,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 02:37:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:37:41,015 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:37:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:37:41,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 02:37:41,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:37:43,606 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:37:43,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-06 02:38:27,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:38:48,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:38:48,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2024-12-06 02:38:48,117 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2024-12-06 02:38:48,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 02:38:48,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:38:48,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:38:48,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:38:48,120 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:38:48,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 02:38:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:38:49,501 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:38:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:38:50,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 02:38:50,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:38:55,477 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:38:55,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-12-06 02:40:23,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:40:23,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 38 states and 75 transitions. [2024-12-06 02:40:23,346 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 75 transitions. [2024-12-06 02:40:23,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 02:40:23,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:40:23,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:40:23,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:40:23,349 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:40:23,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 02:40:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:40:25,639 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:40:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:40:26,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 02:40:26,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:40:28,914 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 02:40:28,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-12-06 02:40:49,919 WARN L286 SmtUtils]: Spent 5.79s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:41:16,013 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:41:19,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:41:45,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:41:47,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:41:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:41:48,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 79 transitions. [2024-12-06 02:41:48,669 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2024-12-06 02:41:48,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:41:48,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:41:48,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:41:48,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:41:48,672 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:41:48,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 02:41:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:41:50,477 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:41:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:41:51,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 02:41:51,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:41:55,532 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 02:41:55,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 02:43:33,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:43:33,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 44 states and 90 transitions. [2024-12-06 02:43:33,696 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 90 transitions. [2024-12-06 02:43:33,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 02:43:33,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:43:33,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:43:33,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:43:33,699 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:43:33,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 02:43:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:43:36,456 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:43:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:43:37,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 02:43:37,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:43:40,825 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 02:43:40,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-12-06 02:44:36,728 WARN L286 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:45:11,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:45:11,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 46 states and 94 transitions. [2024-12-06 02:45:11,914 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 94 transitions. [2024-12-06 02:45:11,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 02:45:11,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:45:11,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:45:11,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:45:11,918 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:45:11,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 02:45:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:14,269 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:45:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:15,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 02:45:15,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:45:28,619 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 19 proven. 37 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-06 02:45:28,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cfa818d-f4a9-437a-9153-20fd9b73c29e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0