./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7399a4-fa91-46e7-9688-d64111a195b3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7399a4-fa91-46e7-9688-d64111a195b3/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7399a4-fa91-46e7-9688-d64111a195b3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7399a4-fa91-46e7-9688-d64111a195b3/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7399a4-fa91-46e7-9688-d64111a195b3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7399a4-fa91-46e7-9688-d64111a195b3/bin/ukojak-verify-EEHR8qb7sm --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 f50c7bc2857aa84cb02200a831151d15e1603828dabc8b6cfed5e5d60ae2ee71 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:20:18,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:20:18,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7399a4-fa91-46e7-9688-d64111a195b3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:20:18,259 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:20:18,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:20:18,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:20:18,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:20:18,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:20:18,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:20:18,285 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:20:18,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:20:18,286 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:20:18,286 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:20:18,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:20:18,286 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:20:18,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:20:18,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:20:18,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:20:18,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:20:18,286 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:20:18,286 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:20:18,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:20:18,287 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:20:18,287 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:20:18,287 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:20:18,287 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:20:18,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:20:18,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:20:18,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:20:18,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:20:18,290 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:20:18,290 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:20:18,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:20:18,290 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_ca7399a4-fa91-46e7-9688-d64111a195b3/bin/ukojak-verify-EEHR8qb7sm 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 -> f50c7bc2857aa84cb02200a831151d15e1603828dabc8b6cfed5e5d60ae2ee71 [2024-11-13 20:20:18,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:20:18,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:20:18,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:20:18,605 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:20:18,605 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:20:18,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7399a4-fa91-46e7-9688-d64111a195b3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c Unable to find full path for "g++" [2024-11-13 20:20:20,572 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:20:20,857 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:20:20,862 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7399a4-fa91-46e7-9688-d64111a195b3/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c [2024-11-13 20:20:20,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7399a4-fa91-46e7-9688-d64111a195b3/bin/ukojak-verify-EEHR8qb7sm/data/209270505/6f51841524554ec8ac740b3dc82a0cad/FLAG33c00cd9b [2024-11-13 20:20:21,163 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7399a4-fa91-46e7-9688-d64111a195b3/bin/ukojak-verify-EEHR8qb7sm/data/209270505/6f51841524554ec8ac740b3dc82a0cad [2024-11-13 20:20:21,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:20:21,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:20:21,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:20:21,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:20:21,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:20:21,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:20:21" (1/1) ... [2024-11-13 20:20:21,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97205a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:21, skipping insertion in model container [2024-11-13 20:20:21,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:20:21" (1/1) ... [2024-11-13 20:20:21,192 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:20:21,361 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_ca7399a4-fa91-46e7-9688-d64111a195b3/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c[588,601] [2024-11-13 20:20:21,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:20:21,393 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:20:21,403 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_ca7399a4-fa91-46e7-9688-d64111a195b3/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c[588,601] [2024-11-13 20:20:21,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:20:21,427 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:20:21,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:21 WrapperNode [2024-11-13 20:20:21,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:20:21,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:20:21,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:20:21,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:20:21,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:21" (1/1) ... [2024-11-13 20:20:21,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:21" (1/1) ... [2024-11-13 20:20:21,476 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2024-11-13 20:20:21,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:20:21,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:20:21,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:20:21,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:20:21,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:21" (1/1) ... [2024-11-13 20:20:21,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:21" (1/1) ... [2024-11-13 20:20:21,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:21" (1/1) ... [2024-11-13 20:20:21,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:21" (1/1) ... [2024-11-13 20:20:21,496 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:21" (1/1) ... [2024-11-13 20:20:21,503 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:21" (1/1) ... [2024-11-13 20:20:21,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:21" (1/1) ... [2024-11-13 20:20:21,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:21" (1/1) ... [2024-11-13 20:20:21,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:20:21,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:20:21,512 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:20:21,512 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:20:21,516 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:21" (1/1) ... [2024-11-13 20:20:21,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:20:21,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7399a4-fa91-46e7-9688-d64111a195b3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:20:21,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7399a4-fa91-46e7-9688-d64111a195b3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:20:21,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7399a4-fa91-46e7-9688-d64111a195b3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:20:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:20:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:20:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:20:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:20:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:20:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:20:21,674 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:20:21,676 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:20:21,879 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-13 20:20:21,879 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:20:21,923 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:20:21,924 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:20:21,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:21 BoogieIcfgContainer [2024-11-13 20:20:21,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:20:21,925 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:20:21,925 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:20:21,936 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:20:21,936 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:21" (1/1) ... [2024-11-13 20:20:21,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:20:21,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:22,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2024-11-13 20:20:22,013 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2024-11-13 20:20:22,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:20:22,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:22,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:22,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:20:22,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:22,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2024-11-13 20:20:22,220 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2024-11-13 20:20:22,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:20:22,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:22,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:22,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:20:22,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:22,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2024-11-13 20:20:22,479 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-11-13 20:20:22,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:20:22,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:22,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:22,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:20:23,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:23,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 53 transitions. [2024-11-13 20:20:23,216 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-11-13 20:20:23,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:20:23,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:23,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:23,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:20:23,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:23,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:20:24,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:24,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 61 transitions. [2024-11-13 20:20:24,090 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2024-11-13 20:20:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:20:24,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:24,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:24,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:20:24,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:24,266 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 20:20:25,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:25,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 72 transitions. [2024-11-13 20:20:25,119 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2024-11-13 20:20:25,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 20:20:25,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:25,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:25,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:25,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:25,335 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:20:25,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:25,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 77 transitions. [2024-11-13 20:20:25,665 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2024-11-13 20:20:25,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:20:25,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:25,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:25,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:20:25,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:25,833 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 20:20:25,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:25,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 80 transitions. [2024-11-13 20:20:25,910 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2024-11-13 20:20:25,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 20:20:25,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:25,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:26,079 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 20:20:26,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:26,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 79 transitions. [2024-11-13 20:20:26,843 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2024-11-13 20:20:26,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 20:20:26,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:26,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:27,132 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:20:28,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:28,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 51 states and 95 transitions. [2024-11-13 20:20:28,319 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 95 transitions. [2024-11-13 20:20:28,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 20:20:28,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:28,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:28,595 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:20:29,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:29,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 54 states and 99 transitions. [2024-11-13 20:20:29,317 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 99 transitions. [2024-11-13 20:20:29,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 20:20:29,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:29,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:29,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 20:20:29,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:29,458 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 20:20:30,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:30,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 56 states and 106 transitions. [2024-11-13 20:20:30,152 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 106 transitions. [2024-11-13 20:20:30,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 20:20:30,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:30,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:30,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:20:30,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:30,597 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 20:20:31,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:31,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 113 transitions. [2024-11-13 20:20:31,716 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2024-11-13 20:20:31,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 20:20:31,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:31,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:31,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:20:31,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:32,077 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 20:20:32,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:32,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 62 states and 114 transitions. [2024-11-13 20:20:32,560 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 114 transitions. [2024-11-13 20:20:32,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:32,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:32,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:32,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:20:32,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:32,687 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 20:20:33,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:33,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 65 states and 123 transitions. [2024-11-13 20:20:33,040 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 123 transitions. [2024-11-13 20:20:33,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 20:20:33,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:33,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:33,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:20:33,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:33,254 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 20:20:34,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:34,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 68 states and 130 transitions. [2024-11-13 20:20:34,381 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 130 transitions. [2024-11-13 20:20:34,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 20:20:34,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:34,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:34,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 20:20:34,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:34,955 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 13 proven. 24 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 20:20:35,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:35,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 66 states and 125 transitions. [2024-11-13 20:20:35,661 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2024-11-13 20:20:35,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 20:20:35,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:35,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:35,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:35,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:35,832 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 20:20:36,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:36,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 68 states and 129 transitions. [2024-11-13 20:20:36,026 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions. [2024-11-13 20:20:36,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 20:20:36,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:36,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:36,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 20:20:36,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:36,565 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 15 proven. 28 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-13 20:20:37,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:37,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 69 states and 131 transitions. [2024-11-13 20:20:37,240 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 131 transitions. [2024-11-13 20:20:37,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 20:20:37,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:37,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:37,931 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 29 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-13 20:20:38,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:38,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 70 states and 132 transitions. [2024-11-13 20:20:38,260 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2024-11-13 20:20:38,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 20:20:38,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:38,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:38,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 20:20:38,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:38,461 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-13 20:20:38,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:38,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 71 states and 136 transitions. [2024-11-13 20:20:38,884 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 136 transitions. [2024-11-13 20:20:38,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 20:20:38,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:38,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:39,607 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-13 20:20:41,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:41,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 73 states and 139 transitions. [2024-11-13 20:20:41,457 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 139 transitions. [2024-11-13 20:20:41,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 20:20:41,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:41,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:41,535 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-13 20:20:41,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:41,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 73 states and 138 transitions. [2024-11-13 20:20:41,957 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 138 transitions. [2024-11-13 20:20:41,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 20:20:41,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:41,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:42,178 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-11-13 20:20:42,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:42,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 75 states and 139 transitions. [2024-11-13 20:20:42,597 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 139 transitions. [2024-11-13 20:20:42,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 20:20:42,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:42,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:42,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:20:42,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 20:20:45,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:45,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 83 states and 159 transitions. [2024-11-13 20:20:45,895 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 159 transitions. [2024-11-13 20:20:45,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 20:20:45,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:45,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:45,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:20:45,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:46,174 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 20:20:47,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:47,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 79 states and 149 transitions. [2024-11-13 20:20:47,432 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 149 transitions. [2024-11-13 20:20:47,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 20:20:47,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:47,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:47,877 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 33 proven. 5 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 20:20:49,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:49,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 90 states and 172 transitions. [2024-11-13 20:20:49,921 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 172 transitions. [2024-11-13 20:20:49,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 20:20:49,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:49,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:49,983 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:20:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:50,042 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2024-11-13 20:20:50,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:20:50 ImpRootNode [2024-11-13 20:20:50,080 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:20:50,081 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:20:50,081 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:20:50,081 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:20:50,082 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:21" (3/4) ... [2024-11-13 20:20:50,083 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 20:20:50,138 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7399a4-fa91-46e7-9688-d64111a195b3/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:20:50,139 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:20:50,141 INFO L158 Benchmark]: Toolchain (without parser) took 28972.67ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 93.0MB in the beginning and 123.6MB in the end (delta: -30.6MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2024-11-13 20:20:50,141 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:50,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.05ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:20:50,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.04ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:50,143 INFO L158 Benchmark]: Boogie Preprocessor took 33.48ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.4MB in the end (delta: 783.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:20:50,146 INFO L158 Benchmark]: RCFGBuilder took 412.63ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 67.6MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:20:50,147 INFO L158 Benchmark]: CodeCheck took 28155.44ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 67.5MB in the beginning and 127.2MB in the end (delta: -59.8MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2024-11-13 20:20:50,148 INFO L158 Benchmark]: Witness Printer took 58.69ms. Allocated memory is still 218.1MB. Free memory was 127.2MB in the beginning and 123.6MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:50,150 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28.1s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1932 SdHoareTripleChecker+Valid, 28.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 653 mSDsluCounter, 1276 SdHoareTripleChecker+Invalid, 25.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 3158 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9429 IncrementalHoareTripleChecker+Invalid, 12587 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3158 mSolverCounterUnsat, 1188 mSDtfsCounter, 9429 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8840 GetRequests, 8341 SyntacticMatches, 213 SemanticMatches, 286 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47276 ImplicationChecksByTransitivity, 20.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 1108 NumberOfCodeBlocks, 1108 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1014 ConstructedInterpolants, 0 QuantifiedInterpolants, 3246 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1686 ConjunctsInSsa, 185 ConjunctsInUnsatCore, 26 InterpolantComputations, 10 PerfectInterpolantSequences, 2548/2714 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] short a; [L25] long long n, x, y, z; [L26] a = __VERIFIER_nondet_ushort() [L28] n = 0 [L29] x = 0 [L30] y = 1 [L31] z = 6 VAL [a=2, counter=0, n=0, x=0, y=1, z=6] [L33] EXPR counter++ VAL [a=2, counter=1, n=0, x=0, y=1, z=6] [L33] COND TRUE counter++<2 [L34] CALL __VERIFIER_assert(z == 6 * n + 6) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L34] RET __VERIFIER_assert(z == 6 * n + 6) VAL [a=2, counter=1, n=0, x=0, y=1, z=6] [L35] CALL __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L35] RET __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [a=2, counter=1, n=0, x=0, y=1, z=6] [L36] CALL __VERIFIER_assert(x == n * n * n) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L36] RET __VERIFIER_assert(x == n * n * n) VAL [a=2, counter=1, n=0, x=0, y=1, z=6] [L37] CALL __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L37] RET __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [a=2, counter=1, n=0, x=0, y=1, z=6] [L38] CALL __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L38] RET __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [a=2, counter=1, n=0, x=0, y=1, z=6] [L39] COND FALSE !(!(n <= a)) [L42] n = n + 1 [L43] x = x + y [L44] y = y + z [L45] z = z + 6 VAL [a=2, counter=1, n=1, x=1, y=7, z=12] [L33] EXPR counter++ VAL [a=2, counter=2, n=1, x=1, y=7, z=12] [L33] COND TRUE counter++<2 [L34] CALL __VERIFIER_assert(z == 6 * n + 6) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L34] RET __VERIFIER_assert(z == 6 * n + 6) VAL [a=2, counter=2, n=1, x=1, y=7, z=12] [L35] CALL __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L35] RET __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [a=2, counter=2, n=1, x=1, y=7, z=12] [L36] CALL __VERIFIER_assert(x == n * n * n) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L36] RET __VERIFIER_assert(x == n * n * n) VAL [a=2, counter=2, n=1, x=1, y=7, z=12] [L37] CALL __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L37] RET __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [a=2, counter=2, n=1, x=1, y=7, z=12] [L38] CALL __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L38] RET __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [a=2, counter=2, n=1, x=1, y=7, z=12] [L39] COND FALSE !(!(n <= a)) [L42] n = n + 1 [L43] x = x + y [L44] y = y + z [L45] z = z + 6 VAL [a=2, counter=2, n=2, x=8, y=19, z=18] [L33] EXPR counter++ VAL [a=2, counter=3, n=2, x=8, y=19, z=18] [L33] COND FALSE !(counter++<2) [L48] CALL __VERIFIER_assert(z == 6*n + 6) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L48] RET __VERIFIER_assert(z == 6*n + 6) VAL [a=2, counter=3, n=2, x=8, y=19, z=18] [L49] CALL __VERIFIER_assert(6*a*x - x*z + 12*x == 0) VAL [\old(cond)=0, counter=3] [L15] COND TRUE !(cond) VAL [\old(cond)=0, counter=3] [L17] reach_error() VAL [\old(cond)=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.05ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.04ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.48ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.4MB in the end (delta: 783.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 412.63ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 67.6MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 28155.44ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 67.5MB in the beginning and 127.2MB in the end (delta: -59.8MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * Witness Printer took 58.69ms. Allocated memory is still 218.1MB. Free memory was 127.2MB in the beginning and 123.6MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 20:20:50,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7399a4-fa91-46e7-9688-d64111a195b3/bin/ukojak-verify-EEHR8qb7sm/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE