./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a7205f-baf4-4712-b82e-a5b15b9aaf90/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a7205f-baf4-4712-b82e-a5b15b9aaf90/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a7205f-baf4-4712-b82e-a5b15b9aaf90/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a7205f-baf4-4712-b82e-a5b15b9aaf90/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a7205f-baf4-4712-b82e-a5b15b9aaf90/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a7205f-baf4-4712-b82e-a5b15b9aaf90/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fdadba64290bb92644e7e488fd7f0ff193dc3cda62b54e30ca2f0fabf2570055 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:28:13,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:28:13,971 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a7205f-baf4-4712-b82e-a5b15b9aaf90/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 23:28:13,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:28:13,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:28:14,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:28:14,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:28:14,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:28:14,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:28:14,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:28:14,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:28:14,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:28:14,018 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:28:14,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:28:14,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:28:14,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:28:14,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:28:14,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:28:14,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:28:14,024 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:28:14,024 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:28:14,025 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:28:14,025 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:28:14,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:28:14,026 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:28:14,027 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:28:14,027 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:28:14,028 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:28:14,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:28:14,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:28:14,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:28:14,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:28:14,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:28:14,030 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:28:14,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:28:14,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a7205f-baf4-4712-b82e-a5b15b9aaf90/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a7205f-baf4-4712-b82e-a5b15b9aaf90/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdadba64290bb92644e7e488fd7f0ff193dc3cda62b54e30ca2f0fabf2570055 [2024-11-08 23:28:14,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:28:14,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:28:14,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:28:14,322 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:28:14,322 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:28:14,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a7205f-baf4-4712-b82e-a5b15b9aaf90/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound20.c Unable to find full path for "g++" [2024-11-08 23:28:16,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:28:16,597 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:28:16,598 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a7205f-baf4-4712-b82e-a5b15b9aaf90/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound20.c [2024-11-08 23:28:16,606 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a7205f-baf4-4712-b82e-a5b15b9aaf90/bin/ukojak-verify-ImItNfHLgk/data/7a6082c92/48d6372954b64b5e99bf7bb51447bf0f/FLAG0073a9263 [2024-11-08 23:28:16,621 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a7205f-baf4-4712-b82e-a5b15b9aaf90/bin/ukojak-verify-ImItNfHLgk/data/7a6082c92/48d6372954b64b5e99bf7bb51447bf0f [2024-11-08 23:28:16,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:28:16,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:28:16,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:28:16,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:28:16,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:28:16,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:28:16" (1/1) ... [2024-11-08 23:28:16,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161d544d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:16, skipping insertion in model container [2024-11-08 23:28:16,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:28:16" (1/1) ... [2024-11-08 23:28:16,668 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:28:16,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:28:16,908 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:28:16,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:28:16,940 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:28:16,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:16 WrapperNode [2024-11-08 23:28:16,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:28:16,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:28:16,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:28:16,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:28:16,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:16" (1/1) ... [2024-11-08 23:28:16,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:16" (1/1) ... [2024-11-08 23:28:16,968 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2024-11-08 23:28:16,968 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:28:16,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:28:16,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:28:16,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:28:16,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:16" (1/1) ... [2024-11-08 23:28:16,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:16" (1/1) ... [2024-11-08 23:28:16,981 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:16" (1/1) ... [2024-11-08 23:28:16,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:16" (1/1) ... [2024-11-08 23:28:16,984 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:16" (1/1) ... [2024-11-08 23:28:16,988 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:16" (1/1) ... [2024-11-08 23:28:16,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:16" (1/1) ... [2024-11-08 23:28:16,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:16" (1/1) ... [2024-11-08 23:28:16,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:28:16,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:28:16,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:28:16,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:28:16,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:16" (1/1) ... [2024-11-08 23:28:17,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:28:17,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a7205f-baf4-4712-b82e-a5b15b9aaf90/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:28:17,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a7205f-baf4-4712-b82e-a5b15b9aaf90/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:28:17,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a7205f-baf4-4712-b82e-a5b15b9aaf90/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:28:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:28:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:28:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:28:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:28:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:28:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:28:17,123 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:28:17,124 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:28:17,278 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-08 23:28:17,278 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:28:17,319 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:28:17,320 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:28:17,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:28:17 BoogieIcfgContainer [2024-11-08 23:28:17,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:28:17,321 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:28:17,321 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:28:17,330 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:28:17,330 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:28:17" (1/1) ... [2024-11-08 23:28:17,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:28:17,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:17,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-08 23:28:17,399 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-08 23:28:17,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-08 23:28:17,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:17,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:28:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:17,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 23:28:17,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:17,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:28:17,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:17,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-08 23:28:17,667 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-08 23:28:17,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:28:17,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:17,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:28:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:17,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 23:28:17,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:17,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:28:17,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:17,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-08 23:28:17,769 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-08 23:28:17,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:28:17,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:17,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:17,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:28:18,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:18,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-08 23:28:18,122 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-08 23:28:18,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:28:18,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:18,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:18,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:28:18,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:18,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-08 23:28:18,201 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-08 23:28:18,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:28:18,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:18,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:18,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:28:18,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:18,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2024-11-08 23:28:18,706 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-11-08 23:28:18,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:28:18,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:18,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:18,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:28:19,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:19,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-11-08 23:28:19,310 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-11-08 23:28:19,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:28:19,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:19,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:19,542 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:28:19,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:19,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 28 transitions. [2024-11-08 23:28:19,721 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-11-08 23:28:19,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:28:19,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:19,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:19,913 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:28:20,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:20,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 37 transitions. [2024-11-08 23:28:20,267 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-11-08 23:28:20,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 23:28:20,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:20,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:20,483 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:28:20,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:20,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 46 transitions. [2024-11-08 23:28:20,883 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2024-11-08 23:28:20,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 23:28:20,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:20,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:21,166 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:28:21,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:21,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 55 transitions. [2024-11-08 23:28:21,621 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2024-11-08 23:28:21,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 23:28:21,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:21,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:21,953 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 23:28:22,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:22,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 64 transitions. [2024-11-08 23:28:22,407 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2024-11-08 23:28:22,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 23:28:22,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:22,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:22,823 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 23:28:23,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:23,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 54 states and 73 transitions. [2024-11-08 23:28:23,342 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 73 transitions. [2024-11-08 23:28:23,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 23:28:23,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:23,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:23,776 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 23:28:24,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:24,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 60 states and 82 transitions. [2024-11-08 23:28:24,345 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2024-11-08 23:28:24,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-08 23:28:24,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:24,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:24,841 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-08 23:28:25,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:25,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 66 states and 91 transitions. [2024-11-08 23:28:25,434 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2024-11-08 23:28:25,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-08 23:28:25,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:25,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:25,961 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-08 23:28:26,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:26,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 72 states and 100 transitions. [2024-11-08 23:28:26,681 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2024-11-08 23:28:26,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 23:28:26,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:26,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:27,248 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-08 23:28:27,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:27,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 78 states and 109 transitions. [2024-11-08 23:28:27,930 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2024-11-08 23:28:27,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 23:28:27,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:27,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:28,498 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 0 proven. 363 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-08 23:28:29,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:29,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 118 transitions. [2024-11-08 23:28:29,231 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2024-11-08 23:28:29,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 23:28:29,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:29,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:29,853 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 0 proven. 432 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-08 23:28:30,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:30,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 90 states and 127 transitions. [2024-11-08 23:28:30,747 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 127 transitions. [2024-11-08 23:28:30,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 23:28:30,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:30,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:31,473 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 0 proven. 507 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-08 23:28:32,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:32,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 96 states and 136 transitions. [2024-11-08 23:28:32,215 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 136 transitions. [2024-11-08 23:28:32,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-08 23:28:32,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:32,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:32,974 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 588 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-11-08 23:28:33,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:33,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 102 states and 145 transitions. [2024-11-08 23:28:33,811 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 145 transitions. [2024-11-08 23:28:33,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-08 23:28:33,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:33,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-08 23:28:35,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:35,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 108 states and 154 transitions. [2024-11-08 23:28:35,536 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2024-11-08 23:28:35,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 23:28:35,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:35,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:36,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 768 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-08 23:28:37,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:37,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 114 states and 163 transitions. [2024-11-08 23:28:37,270 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 163 transitions. [2024-11-08 23:28:37,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-08 23:28:37,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:37,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:38,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 0 proven. 867 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-08 23:28:39,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:39,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 120 states and 172 transitions. [2024-11-08 23:28:39,123 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 172 transitions. [2024-11-08 23:28:39,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 23:28:39,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:39,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:40,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 972 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-11-08 23:28:40,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:40,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 126 states and 181 transitions. [2024-11-08 23:28:40,899 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 181 transitions. [2024-11-08 23:28:40,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-08 23:28:40,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:40,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:41,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 0 proven. 1083 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-11-08 23:28:42,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:42,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 132 states and 190 transitions. [2024-11-08 23:28:42,945 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 190 transitions. [2024-11-08 23:28:42,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-08 23:28:42,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:42,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:44,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1580 backedges. 0 proven. 1200 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-11-08 23:28:45,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:45,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 138 states and 199 transitions. [2024-11-08 23:28:45,072 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 199 transitions. [2024-11-08 23:28:45,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 23:28:45,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:45,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:28:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:48,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1743 backedges. 1224 proven. 99 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-08 23:28:48,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:48,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 132 states and 190 transitions. [2024-11-08 23:28:48,766 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 190 transitions. [2024-11-08 23:28:48,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:28:48,767 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2024-11-08 23:28:48,777 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-08 23:28:49,065 INFO L77 FloydHoareUtils]: At program point L33(line 33) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 2147483648)) (<= |ULTIMATE.start_main_~a~0#1| 2147483647) (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (= ~counter~0 0)) [2024-11-08 23:28:49,065 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2024-11-08 23:28:49,065 INFO L77 FloydHoareUtils]: At program point L35-2(line 35) the Hoare annotation is: true [2024-11-08 23:28:49,065 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:28:49,066 INFO L77 FloydHoareUtils]: At program point L33-1(line 33) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 2147483648)) (<= |ULTIMATE.start_main_~a~0#1| 2147483647) (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (= ~counter~0 0)) [2024-11-08 23:28:49,066 INFO L77 FloydHoareUtils]: At program point L35-3(lines 35 44) the Hoare annotation is: (or (<= ~counter~0 1) (< 19 |ULTIMATE.start_main_#t~post7#1|) (and (not (= |ULTIMATE.start_main_#t~post7#1| 0)) (<= ~counter~0 20))) [2024-11-08 23:28:49,066 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) the Hoare annotation is: true [2024-11-08 23:28:49,066 INFO L77 FloydHoareUtils]: At program point L35-5(lines 35 44) the Hoare annotation is: true [2024-11-08 23:28:49,066 INFO L77 FloydHoareUtils]: At program point L35-6(lines 35 44) the Hoare annotation is: true [2024-11-08 23:28:49,066 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:28:49,066 INFO L77 FloydHoareUtils]: At program point L36(line 36) the Hoare annotation is: (<= ~counter~0 20) [2024-11-08 23:28:49,066 INFO L77 FloydHoareUtils]: At program point L36-1(lines 35 44) the Hoare annotation is: true [2024-11-08 23:28:49,067 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2024-11-08 23:28:49,067 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) the Hoare annotation is: true [2024-11-08 23:28:49,067 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-11-08 23:28:49,067 INFO L77 FloydHoareUtils]: At program point L35-1(line 35) the Hoare annotation is: true [2024-11-08 23:28:49,067 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: true [2024-11-08 23:28:49,067 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true [2024-11-08 23:28:49,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:28:49 ImpRootNode [2024-11-08 23:28:49,097 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:28:49,098 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:28:49,098 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:28:49,098 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:28:49,098 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:28:17" (3/4) ... [2024-11-08 23:28:49,100 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:28:49,103 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-08 23:28:49,107 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-08 23:28:49,107 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 23:28:49,107 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 23:28:49,107 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:28:49,200 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a7205f-baf4-4712-b82e-a5b15b9aaf90/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:28:49,200 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a7205f-baf4-4712-b82e-a5b15b9aaf90/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:28:49,200 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:28:49,201 INFO L158 Benchmark]: Toolchain (without parser) took 32576.52ms. Allocated memory was 184.5MB in the beginning and 578.8MB in the end (delta: 394.3MB). Free memory was 142.0MB in the beginning and 425.8MB in the end (delta: -283.8MB). Peak memory consumption was 113.1MB. Max. memory is 16.1GB. [2024-11-08 23:28:49,201 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:28:49,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.07ms. Allocated memory is still 184.5MB. Free memory was 142.0MB in the beginning and 129.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:28:49,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.62ms. Allocated memory is still 184.5MB. Free memory was 129.4MB in the beginning and 128.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:28:49,202 INFO L158 Benchmark]: Boogie Preprocessor took 22.43ms. Allocated memory is still 184.5MB. Free memory was 128.1MB in the beginning and 126.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:28:49,203 INFO L158 Benchmark]: RCFGBuilder took 328.10ms. Allocated memory is still 184.5MB. Free memory was 126.9MB in the beginning and 113.5MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:28:49,207 INFO L158 Benchmark]: CodeCheck took 31776.05ms. Allocated memory was 184.5MB in the beginning and 578.8MB in the end (delta: 394.3MB). Free memory was 113.5MB in the beginning and 431.1MB in the end (delta: -317.6MB). Peak memory consumption was 77.5MB. Max. memory is 16.1GB. [2024-11-08 23:28:49,207 INFO L158 Benchmark]: Witness Printer took 102.89ms. Allocated memory is still 578.8MB. Free memory was 431.1MB in the beginning and 425.8MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 23:28:49,209 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 31.4s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2294 SdHoareTripleChecker+Valid, 12.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1830 mSDsluCounter, 2197 SdHoareTripleChecker+Invalid, 10.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1089 mSDsCounter, 1979 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8225 IncrementalHoareTripleChecker+Invalid, 10204 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1979 mSolverCounterUnsat, 1108 mSDtfsCounter, 8225 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14628 GetRequests, 13044 SyntacticMatches, 1312 SemanticMatches, 272 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44183 ImplicationChecksByTransitivity, 18.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 15.2s InterpolantComputationTime, 2024 NumberOfCodeBlocks, 2024 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1997 ConstructedInterpolants, 0 QuantifiedInterpolants, 5179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 73 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 27 InterpolantComputations, 4 PerfectInterpolantSequences, 4310/13027 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 - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.07ms. Allocated memory is still 184.5MB. Free memory was 142.0MB in the beginning and 129.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.62ms. Allocated memory is still 184.5MB. Free memory was 129.4MB in the beginning and 128.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.43ms. Allocated memory is still 184.5MB. Free memory was 128.1MB in the beginning and 126.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 328.10ms. Allocated memory is still 184.5MB. Free memory was 126.9MB in the beginning and 113.5MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 31776.05ms. Allocated memory was 184.5MB in the beginning and 578.8MB in the end (delta: 394.3MB). Free memory was 113.5MB in the beginning and 431.1MB in the end (delta: -317.6MB). Peak memory consumption was 77.5MB. Max. memory is 16.1GB. * Witness Printer took 102.89ms. Allocated memory is still 578.8MB. Free memory was 431.1MB in the beginning and 425.8MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 23:28:49,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a7205f-baf4-4712-b82e-a5b15b9aaf90/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE