./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.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_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/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_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/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_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/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 070b005151a155625f2a1d89ebf21c03a6d381af2d7b663a2fe06061e79da5f4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:09:38,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:09:38,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:09:38,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:09:38,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:09:38,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:09:38,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:09:38,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:09:38,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:09:38,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:09:38,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:09:38,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:09:38,513 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:09:38,513 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:09:38,513 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:09:38,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:09:38,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:09:38,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:09:38,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:09:38,514 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:09:38,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:09:38,514 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:09:38,514 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:09:38,514 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:09:38,514 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:09:38,514 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:09:38,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:09:38,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:09:38,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:09:38,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:09:38,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:09:38,515 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:09:38,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:09:38,515 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_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/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 -> 070b005151a155625f2a1d89ebf21c03a6d381af2d7b663a2fe06061e79da5f4 [2024-12-06 00:09:38,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:09:38,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:09:38,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:09:38,774 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:09:38,774 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:09:38,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c [2024-12-06 00:09:41,442 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/bin/ukojak-verify-CZk0znPC7b/data/50486ce54/5262682bc3be4a83a4fa45423939ff54/FLAG3ee9024b5 [2024-12-06 00:09:41,630 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:09:41,631 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c [2024-12-06 00:09:41,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/bin/ukojak-verify-CZk0znPC7b/data/50486ce54/5262682bc3be4a83a4fa45423939ff54/FLAG3ee9024b5 [2024-12-06 00:09:42,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/bin/ukojak-verify-CZk0znPC7b/data/50486ce54/5262682bc3be4a83a4fa45423939ff54 [2024-12-06 00:09:42,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:09:42,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:09:42,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:09:42,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:09:42,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:09:42,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:09:42" (1/1) ... [2024-12-06 00:09:42,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10b4fbcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:42, skipping insertion in model container [2024-12-06 00:09:42,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:09:42" (1/1) ... [2024-12-06 00:09:42,024 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:09:42,116 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_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c[520,533] [2024-12-06 00:09:42,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:09:42,141 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:09:42,151 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_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c[520,533] [2024-12-06 00:09:42,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:09:42,168 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:09:42,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:42 WrapperNode [2024-12-06 00:09:42,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:09:42,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:09:42,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:09:42,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:09:42,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:42" (1/1) ... [2024-12-06 00:09:42,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:42" (1/1) ... [2024-12-06 00:09:42,189 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2024-12-06 00:09:42,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:09:42,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:09:42,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:09:42,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:09:42,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:42" (1/1) ... [2024-12-06 00:09:42,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:42" (1/1) ... [2024-12-06 00:09:42,195 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:42" (1/1) ... [2024-12-06 00:09:42,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:42" (1/1) ... [2024-12-06 00:09:42,198 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:42" (1/1) ... [2024-12-06 00:09:42,199 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:42" (1/1) ... [2024-12-06 00:09:42,201 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:42" (1/1) ... [2024-12-06 00:09:42,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:42" (1/1) ... [2024-12-06 00:09:42,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:42" (1/1) ... [2024-12-06 00:09:42,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:09:42,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:09:42,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:09:42,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:09:42,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:42" (1/1) ... [2024-12-06 00:09:42,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:09:42,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:09:42,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:09:42,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:09:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:09:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:09:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:09:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:09:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:09:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:09:42,295 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:09:42,296 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:09:42,392 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 00:09:42,392 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:09:42,420 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:09:42,420 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:09:42,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:09:42 BoogieIcfgContainer [2024-12-06 00:09:42,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:09:42,421 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:09:42,421 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:09:42,428 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:09:42,428 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:09:42" (1/1) ... [2024-12-06 00:09:42,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:09:42,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:42,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-12-06 00:09:42,481 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-12-06 00:09:42,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:09:42,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:42,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:42,724 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 00:09:42,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:42,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2024-12-06 00:09:42,815 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2024-12-06 00:09:42,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:09:42,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:42,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:09:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:42,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:09:42,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:42,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:09:43,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 37 transitions. [2024-12-06 00:09:43,082 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 37 transitions. [2024-12-06 00:09:43,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 00:09:43,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:43,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:09:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:43,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:09:43,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:43,182 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 00:09:43,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:43,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 23 states and 42 transitions. [2024-12-06 00:09:43,271 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 42 transitions. [2024-12-06 00:09:43,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:09:43,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:43,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:43,399 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 00:09:43,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:43,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 44 transitions. [2024-12-06 00:09:43,655 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 44 transitions. [2024-12-06 00:09:43,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:09:43,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:43,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:43,778 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 00:09:43,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:43,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 46 transitions. [2024-12-06 00:09:43,881 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2024-12-06 00:09:43,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:09:43,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:43,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:43,972 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 00:09:44,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:44,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 49 transitions. [2024-12-06 00:09:44,163 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2024-12-06 00:09:44,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:09:44,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:44,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:09:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:44,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:09:44,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:44,280 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 00:09:44,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:44,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 53 transitions. [2024-12-06 00:09:44,531 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-12-06 00:09:44,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:09:44,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:44,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:44,630 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 00:09:44,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:44,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 52 transitions. [2024-12-06 00:09:44,892 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2024-12-06 00:09:44,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:09:44,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:44,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:09:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:44,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 00:09:44,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:45,084 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 00:09:45,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:45,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 56 transitions. [2024-12-06 00:09:45,364 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2024-12-06 00:09:45,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 00:09:45,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:45,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:45,428 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-06 00:09:45,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:45,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 57 transitions. [2024-12-06 00:09:45,525 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-12-06 00:09:45,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 00:09:45,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:45,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:45,591 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-06 00:09:45,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:45,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 50 transitions. [2024-12-06 00:09:45,776 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2024-12-06 00:09:45,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 00:09:45,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:45,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:09:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:45,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 00:09:45,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:46,022 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 13 proven. 27 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-06 00:09:46,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:46,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 56 transitions. [2024-12-06 00:09:46,441 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2024-12-06 00:09:46,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 00:09:46,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:46,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:09:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:46,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 00:09:46,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:46,592 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-06 00:09:46,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:46,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 34 states and 60 transitions. [2024-12-06 00:09:46,844 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2024-12-06 00:09:46,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 00:09:46,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:46,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-12-06 00:09:47,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:47,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 35 states and 61 transitions. [2024-12-06 00:09:47,015 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 00:09:47,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-06 00:09:47,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:47,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:09:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:47,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 00:09:47,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:47,391 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 20 proven. 18 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-06 00:09:47,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:47,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 38 states and 67 transitions. [2024-12-06 00:09:47,862 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2024-12-06 00:09:47,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 00:09:47,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:47,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:09:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:47,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 00:09:47,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:48,085 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 21 proven. 52 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-06 00:09:48,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:48,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 39 states and 71 transitions. [2024-12-06 00:09:48,383 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2024-12-06 00:09:48,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-06 00:09:48,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:48,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:48,436 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 59 proven. 7 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-12-06 00:09:48,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:48,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 40 states and 72 transitions. [2024-12-06 00:09:48,551 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2024-12-06 00:09:48,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-06 00:09:48,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:48,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:09:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:48,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 00:09:48,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:49,146 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 26 proven. 32 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-06 00:09:49,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:49,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 43 states and 78 transitions. [2024-12-06 00:09:49,743 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2024-12-06 00:09:49,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-06 00:09:49,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:49,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:09:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:49,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 00:09:49,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:49,935 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 27 proven. 76 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-06 00:09:50,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:50,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 44 states and 82 transitions. [2024-12-06 00:09:50,256 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2024-12-06 00:09:50,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-06 00:09:50,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:50,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:50,352 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-12-06 00:09:50,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:50,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 45 states and 83 transitions. [2024-12-06 00:09:50,484 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-12-06 00:09:50,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-06 00:09:50,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:50,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:09:50,897 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 42 proven. 40 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-06 00:09:52,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:52,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 30 states and 50 transitions. [2024-12-06 00:09:52,261 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2024-12-06 00:09:52,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 00:09:52,261 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2024-12-06 00:09:52,268 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 00:09:52,682 INFO L77 FloydHoareUtils]: At program point L33(lines 30 42) the Hoare annotation is: (not (let ((.cse0 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and (not (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 .cse0) |ULTIMATE.start_main_~s~0#1|)) (= |ULTIMATE.start_main_~t~0#1| (+ 1 .cse0))))) [2024-12-06 00:09:52,682 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 00:09:52,682 INFO L77 FloydHoareUtils]: At program point L31(line 31) the Hoare annotation is: (or (= |ULTIMATE.start_main_~t~0#1| (+ 1 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and (not (and (= 9 |ULTIMATE.start_main_~s~0#1|) (= 2 |ULTIMATE.start_main_~a~0#1|))) (not (and (= |ULTIMATE.start_main_~a~0#1| 1) (= |ULTIMATE.start_main_~s~0#1| 4))) (not (and (= |ULTIMATE.start_main_~s~0#1| 25) (= |ULTIMATE.start_main_~a~0#1| 4))) (not (and (= 16 |ULTIMATE.start_main_~s~0#1|) (= 3 |ULTIMATE.start_main_~a~0#1|))) (not (and (= |ULTIMATE.start_main_~a~0#1| 0) (= |ULTIMATE.start_main_~s~0#1| 1))))) [2024-12-06 00:09:52,682 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: true [2024-12-06 00:09:52,682 INFO L77 FloydHoareUtils]: At program point L44(line 44) the Hoare annotation is: (not (and (not (= (* |ULTIMATE.start_main_~s~0#1| 4) (+ (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) (* 2 |ULTIMATE.start_main_~t~0#1|) 1))) (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 (* 2 |ULTIMATE.start_main_~a~0#1|)) |ULTIMATE.start_main_~s~0#1|))) [2024-12-06 00:09:52,682 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 00:09:52,682 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-12-06 00:09:52,682 INFO L77 FloydHoareUtils]: At program point L30-2(lines 30 42) the Hoare annotation is: (not (and (not (= |ULTIMATE.start_main_~s~0#1| 1)) (= |ULTIMATE.start_main_~t~0#1| 1) (= |ULTIMATE.start_main_~a~0#1| 0))) [2024-12-06 00:09:52,683 INFO L77 FloydHoareUtils]: At program point L30-3(lines 30 42) the Hoare annotation is: (not (let ((.cse0 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and (not (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 .cse0) |ULTIMATE.start_main_~s~0#1|)) (= |ULTIMATE.start_main_~t~0#1| (+ 1 .cse0))))) [2024-12-06 00:09:52,683 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-12-06 00:09:52,683 INFO L77 FloydHoareUtils]: At program point L13(lines 13 14) the Hoare annotation is: true [2024-12-06 00:09:52,683 INFO L77 FloydHoareUtils]: At program point L12(lines 12 15) the Hoare annotation is: (not (and (not (= __VERIFIER_assert_~cond 0)) (not (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2024-12-06 00:09:52,683 INFO L77 FloydHoareUtils]: At program point L12-2(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 00:09:52,683 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 00:09:52,683 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2024-12-06 00:09:52,683 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) the Hoare annotation is: true [2024-12-06 00:09:52,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:09:52 ImpRootNode [2024-12-06 00:09:52,699 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:09:52,700 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:09:52,700 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:09:52,700 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:09:52,700 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:09:42" (3/4) ... [2024-12-06 00:09:52,702 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 00:09:52,705 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 00:09:52,708 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 00:09:52,708 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 00:09:52,708 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 00:09:52,708 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 00:09:52,784 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:09:52,784 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:09:52,785 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:09:52,785 INFO L158 Benchmark]: Toolchain (without parser) took 10775.25ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 117.0MB in the beginning and 143.5MB in the end (delta: -26.4MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. [2024-12-06 00:09:52,786 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:09:52,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 157.89ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 106.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:09:52,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.14ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:09:52,786 INFO L158 Benchmark]: Boogie Preprocessor took 14.89ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 104.1MB in the end (delta: 564.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:09:52,787 INFO L158 Benchmark]: RCFGBuilder took 215.60ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 91.8MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:09:52,787 INFO L158 Benchmark]: CodeCheck took 10277.79ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 91.8MB in the beginning and 56.4MB in the end (delta: 35.4MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-12-06 00:09:52,787 INFO L158 Benchmark]: Witness Printer took 85.05ms. Allocated memory is still 176.2MB. Free memory was 56.4MB in the beginning and 143.5MB in the end (delta: -87.1MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-12-06 00:09:52,789 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, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.8s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 652 SdHoareTripleChecker+Valid, 8.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 144 mSDsluCounter, 559 SdHoareTripleChecker+Invalid, 7.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 106 mSDsCounter, 2158 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4702 IncrementalHoareTripleChecker+Invalid, 6860 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2158 mSolverCounterUnsat, 453 mSDtfsCounter, 4702 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5997 GetRequests, 5692 SyntacticMatches, 149 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13934 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 925 NumberOfCodeBlocks, 925 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 904 ConstructedInterpolants, 0 QuantifiedInterpolants, 2434 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1205 ConjunctsInSsa, 236 ConjunctsInUnsatCore, 21 InterpolantComputations, 3 PerfectInterpolantSequences, 3103/3455 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 14]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: !(((s != 1) && (t == 1)) && (a == 0)) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 157.89ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 106.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.14ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.89ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 104.1MB in the end (delta: 564.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 215.60ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 91.8MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10277.79ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 91.8MB in the beginning and 56.4MB in the end (delta: 35.4MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Witness Printer took 85.05ms. Allocated memory is still 176.2MB. Free memory was 56.4MB in the beginning and 143.5MB in the end (delta: -87.1MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 00:09:52,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47c336a-8df7-4f30-b1ed-ce2e76c91cee/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 Writing output log to file Ultimate.log Result: TRUE