./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22b0ad3-f0ed-48f2-be12-879a90813600/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22b0ad3-f0ed-48f2-be12-879a90813600/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22b0ad3-f0ed-48f2-be12-879a90813600/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22b0ad3-f0ed-48f2-be12-879a90813600/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22b0ad3-f0ed-48f2-be12-879a90813600/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22b0ad3-f0ed-48f2-be12-879a90813600/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc74c1b33e1074c3a5a06ad6eff1da469d2065c9f566ce661be4cc84c215be29 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:46:14,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:46:14,650 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22b0ad3-f0ed-48f2-be12-879a90813600/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:46:14,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:46:14,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:46:14,697 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:46:14,698 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:46:14,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:46:14,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:46:14,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:46:14,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:46:14,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:46:14,699 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:46:14,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:46:14,700 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:46:14,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:46:14,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:46:14,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:46:14,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:46:14,700 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:46:14,700 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:46:14,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:46:14,700 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:46:14,701 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:46:14,701 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:46:14,701 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:46:14,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:46:14,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:46:14,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:46:14,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:46:14,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:46:14,704 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:46:14,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:46:14,704 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_e22b0ad3-f0ed-48f2-be12-879a90813600/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc74c1b33e1074c3a5a06ad6eff1da469d2065c9f566ce661be4cc84c215be29 [2024-11-13 22:46:15,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:46:15,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:46:15,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:46:15,088 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:46:15,088 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:46:15,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22b0ad3-f0ed-48f2-be12-879a90813600/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_unwindbound1.c Unable to find full path for "g++" [2024-11-13 22:46:17,071 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:46:17,405 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:46:17,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22b0ad3-f0ed-48f2-be12-879a90813600/sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_unwindbound1.c [2024-11-13 22:46:17,413 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22b0ad3-f0ed-48f2-be12-879a90813600/bin/ukojak-verify-EEHR8qb7sm/data/ba2a46370/04a6ecd506584afa90794ee787ddf824/FLAG9b153321b [2024-11-13 22:46:17,678 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22b0ad3-f0ed-48f2-be12-879a90813600/bin/ukojak-verify-EEHR8qb7sm/data/ba2a46370/04a6ecd506584afa90794ee787ddf824 [2024-11-13 22:46:17,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:46:17,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:46:17,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:46:17,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:46:17,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:46:17,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:46:17" (1/1) ... [2024-11-13 22:46:17,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22fa888b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:17, skipping insertion in model container [2024-11-13 22:46:17,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:46:17" (1/1) ... [2024-11-13 22:46:17,715 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:46:17,901 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_e22b0ad3-f0ed-48f2-be12-879a90813600/sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_unwindbound1.c[546,559] [2024-11-13 22:46:17,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:46:17,939 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:46:17,952 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_e22b0ad3-f0ed-48f2-be12-879a90813600/sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_unwindbound1.c[546,559] [2024-11-13 22:46:17,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:46:17,974 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:46:17,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:17 WrapperNode [2024-11-13 22:46:17,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:46:17,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:46:17,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:46:17,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:46:17,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:17" (1/1) ... [2024-11-13 22:46:17,992 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:17" (1/1) ... [2024-11-13 22:46:18,012 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-11-13 22:46:18,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:46:18,014 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:46:18,014 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:46:18,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:46:18,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:17" (1/1) ... [2024-11-13 22:46:18,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:17" (1/1) ... [2024-11-13 22:46:18,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:17" (1/1) ... [2024-11-13 22:46:18,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:17" (1/1) ... [2024-11-13 22:46:18,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:17" (1/1) ... [2024-11-13 22:46:18,039 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:17" (1/1) ... [2024-11-13 22:46:18,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:17" (1/1) ... [2024-11-13 22:46:18,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:17" (1/1) ... [2024-11-13 22:46:18,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:46:18,048 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:46:18,051 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:46:18,051 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:46:18,052 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:17" (1/1) ... [2024-11-13 22:46:18,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:46:18,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22b0ad3-f0ed-48f2-be12-879a90813600/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:46:18,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22b0ad3-f0ed-48f2-be12-879a90813600/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:46:18,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22b0ad3-f0ed-48f2-be12-879a90813600/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:46:18,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:46:18,131 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:46:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:46:18,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:46:18,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:46:18,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:46:18,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:46:18,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:46:18,216 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:46:18,219 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:46:18,433 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 22:46:18,434 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:46:18,484 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:46:18,487 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:46:18,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:46:18 BoogieIcfgContainer [2024-11-13 22:46:18,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:46:18,489 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:46:18,489 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:46:18,501 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:46:18,502 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:46:18" (1/1) ... [2024-11-13 22:46:18,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:46:18,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:18,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 22:46:18,582 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 22:46:18,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:46:18,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:18,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:18,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:46:18,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:18,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-11-13 22:46:18,806 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-13 22:46:18,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:46:18,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:18,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:46:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:18,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:46:18,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:46:19,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:46:19,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:19,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-11-13 22:46:19,200 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-11-13 22:46:19,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:46:19,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:19,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:19,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:46:19,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:19,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 36 transitions. [2024-11-13 22:46:19,829 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-13 22:46:19,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:46:19,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:19,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:46:20,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:20,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 37 transitions. [2024-11-13 22:46:20,850 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-11-13 22:46:20,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:46:20,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:20,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:21,094 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:46:22,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:22,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 45 transitions. [2024-11-13 22:46:22,088 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2024-11-13 22:46:22,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:46:22,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:22,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:46:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:22,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:46:22,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:46:22,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:46:24,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:24,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 20 states and 22 transitions. [2024-11-13 22:46:24,642 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-13 22:46:24,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:46:24,642 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 22:46:24,651 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:46:25,028 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:46:25,028 INFO L77 FloydHoareUtils]: At program point L35-3(lines 35 45) the Hoare annotation is: true [2024-11-13 22:46:25,028 INFO L77 FloydHoareUtils]: At program point L35-4(lines 35 45) the Hoare annotation is: true [2024-11-13 22:46:25,028 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-11-13 22:46:25,028 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:46:25,028 INFO L77 FloydHoareUtils]: At program point L36(line 36) the Hoare annotation is: true [2024-11-13 22:46:25,028 INFO L77 FloydHoareUtils]: At program point L36-1(lines 35 45) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) 1)) [2024-11-13 22:46:25,028 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: (= ~counter~0 0) [2024-11-13 22:46:25,029 INFO L77 FloydHoareUtils]: At program point L28-1(line 28) the Hoare annotation is: (not (and (< |ULTIMATE.start_main_~z~0#1| 1) (= ~counter~0 0))) [2024-11-13 22:46:25,029 INFO L77 FloydHoareUtils]: At program point L49(line 49) the Hoare annotation is: true [2024-11-13 22:46:25,029 INFO L77 FloydHoareUtils]: At program point L49-1(line 49) the Hoare annotation is: true [2024-11-13 22:46:25,029 INFO L77 FloydHoareUtils]: At program point L35-1(lines 35 45) the Hoare annotation is: (not (and (= |ULTIMATE.start_main_#t~post6#1| 0) (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) (= |ULTIMATE.start_main_~x~0#1| 1) (< ~counter~0 1))) [2024-11-13 22:46:25,029 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 12 14) the Hoare annotation is: true [2024-11-13 22:46:25,029 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 12 14) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-11-13 22:46:25,029 INFO L77 FloydHoareUtils]: At program point L17(lines 17 18) the Hoare annotation is: true [2024-11-13 22:46:25,029 INFO L77 FloydHoareUtils]: At program point L16(lines 16 19) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-11-13 22:46:25,029 INFO L77 FloydHoareUtils]: At program point L16-2(lines 15 21) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 22:46:25,029 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 15 21) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 22:46:25,030 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 15 21) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-11-13 22:46:25,030 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 18) the Hoare annotation is: true [2024-11-13 22:46:25,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:46:25 ImpRootNode [2024-11-13 22:46:25,047 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:46:25,047 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:46:25,047 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:46:25,048 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:46:25,048 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:46:18" (3/4) ... [2024-11-13 22:46:25,051 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:46:25,054 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 22:46:25,054 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 22:46:25,058 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-13 22:46:25,059 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 22:46:25,059 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:46:25,059 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:46:25,135 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22b0ad3-f0ed-48f2-be12-879a90813600/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:46:25,135 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22b0ad3-f0ed-48f2-be12-879a90813600/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:46:25,135 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:46:25,136 INFO L158 Benchmark]: Toolchain (without parser) took 7453.84ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 59.3MB in the end (delta: 32.8MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-11-13 22:46:25,137 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:25,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.28ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 80.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:46:25,138 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.05ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:25,138 INFO L158 Benchmark]: Boogie Preprocessor took 33.81ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.8MB in the end (delta: 768.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:25,138 INFO L158 Benchmark]: RCFGBuilder took 439.56ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 67.9MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:46:25,139 INFO L158 Benchmark]: CodeCheck took 6558.05ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 63.5MB in the end (delta: 4.4MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-11-13 22:46:25,139 INFO L158 Benchmark]: Witness Printer took 88.03ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 59.3MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:25,141 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 3 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 285 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 242 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 136 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 397 IncrementalHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 136 mSolverCounterUnsat, 198 mSDtfsCounter, 397 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 872 GetRequests, 769 SyntacticMatches, 5 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3380 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 103 ConstructedInterpolants, 1 QuantifiedInterpolants, 293 SizeOfPredicates, 2 NumberOfNonLiveVariables, 141 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 17/23 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: 18]: 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 - ProcedureContractResult [Line: 12]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((cond != 0) && (counter == \old(counter))) - ProcedureContractResult [Line: 15]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: ((cond != 0) && (counter == \old(counter))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.28ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 80.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.05ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.81ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.8MB in the end (delta: 768.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 439.56ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 67.9MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6558.05ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 63.5MB in the end (delta: 4.4MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * Witness Printer took 88.03ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 59.3MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:46:25,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22b0ad3-f0ed-48f2-be12-879a90813600/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE