./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/cstrcat_diffterm_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d348df-4ce7-4205-850b-ad5123c351a6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d348df-4ce7-4205-850b-ad5123c351a6/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_d0d348df-4ce7-4205-850b-ad5123c351a6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d348df-4ce7-4205-850b-ad5123c351a6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/cstrcat_diffterm_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d348df-4ce7-4205-850b-ad5123c351a6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d348df-4ce7-4205-850b-ad5123c351a6/bin/ukojak-verify-EEHR8qb7sm --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 64bit --witnessprinter.graph.data.programhash ece2db0c2e485d2e7ebf6b014e7d50fbe2c0e7d33a07f2ac4123e51b956ac73d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:43:15,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:43:15,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d348df-4ce7-4205-850b-ad5123c351a6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:43:15,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:43:15,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:43:15,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:43:15,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:43:15,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:43:15,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:43:15,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:43:15,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:43:15,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:43:15,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:43:15,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:43:15,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:43:15,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:43:15,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:43:15,393 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:43:15,394 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:43:15,394 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:43:15,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:43:15,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:43:15,394 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:43:15,395 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:43:15,395 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:43:15,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:43:15,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:43:15,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:43:15,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:43:15,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:43:15,396 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:43:15,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:43:15,396 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_d0d348df-4ce7-4205-850b-ad5123c351a6/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 ! 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ece2db0c2e485d2e7ebf6b014e7d50fbe2c0e7d33a07f2ac4123e51b956ac73d [2024-11-13 22:43:15,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:43:15,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:43:15,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:43:15,794 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:43:15,795 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:43:15,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d348df-4ce7-4205-850b-ad5123c351a6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-15/cstrcat_diffterm_alloca.i Unable to find full path for "g++" [2024-11-13 22:43:17,778 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:43:18,090 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:43:18,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d348df-4ce7-4205-850b-ad5123c351a6/sv-benchmarks/c/termination-15/cstrcat_diffterm_alloca.i [2024-11-13 22:43:18,101 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d348df-4ce7-4205-850b-ad5123c351a6/bin/ukojak-verify-EEHR8qb7sm/data/f8aceca84/fcbba4f79db340659cf7cb79b1db8204/FLAGaefc197cc [2024-11-13 22:43:18,116 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d348df-4ce7-4205-850b-ad5123c351a6/bin/ukojak-verify-EEHR8qb7sm/data/f8aceca84/fcbba4f79db340659cf7cb79b1db8204 [2024-11-13 22:43:18,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:43:18,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:43:18,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:43:18,122 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:43:18,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:43:18,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:43:18" (1/1) ... [2024-11-13 22:43:18,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@238a1e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:18, skipping insertion in model container [2024-11-13 22:43:18,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:43:18" (1/1) ... [2024-11-13 22:43:18,162 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:43:18,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:43:18,571 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:43:18,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:43:18,674 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:43:18,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:18 WrapperNode [2024-11-13 22:43:18,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:43:18,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:43:18,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:43:18,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:43:18,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:18" (1/1) ... [2024-11-13 22:43:18,698 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:18" (1/1) ... [2024-11-13 22:43:18,722 INFO L138 Inliner]: procedures = 152, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2024-11-13 22:43:18,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:43:18,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:43:18,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:43:18,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:43:18,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:18" (1/1) ... [2024-11-13 22:43:18,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:18" (1/1) ... [2024-11-13 22:43:18,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:18" (1/1) ... [2024-11-13 22:43:18,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:18" (1/1) ... [2024-11-13 22:43:18,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:18" (1/1) ... [2024-11-13 22:43:18,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:18" (1/1) ... [2024-11-13 22:43:18,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:18" (1/1) ... [2024-11-13 22:43:18,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:18" (1/1) ... [2024-11-13 22:43:18,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:43:18,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:43:18,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:43:18,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:43:18,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:18" (1/1) ... [2024-11-13 22:43:18,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:43:18,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d348df-4ce7-4205-850b-ad5123c351a6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:43:18,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d348df-4ce7-4205-850b-ad5123c351a6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:43:18,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d348df-4ce7-4205-850b-ad5123c351a6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:43:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:43:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:43:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:43:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:43:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:43:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:43:18,921 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:43:18,923 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:43:19,211 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-13 22:43:19,211 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:43:19,270 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:43:19,271 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:43:19,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:43:19 BoogieIcfgContainer [2024-11-13 22:43:19,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:43:19,272 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:43:19,272 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:43:19,282 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:43:19,282 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:43:19" (1/1) ... [2024-11-13 22:43:19,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:43:19,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:19,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2024-11-13 22:43:19,349 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-11-13 22:43:19,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 22:43:19,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:19,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:19,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:19,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:19,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-13 22:43:19,762 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-13 22:43:19,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:43:19,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:19,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:20,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:20,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 22:43:20,034 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 22:43:20,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:43:20,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:20,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:20,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:20,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-13 22:43:20,467 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-13 22:43:20,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:43:20,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:20,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:20,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:20,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:20,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 22:43:20,959 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 22:43:20,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:43:20,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:20,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:21,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:21,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:21,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-13 22:43:21,643 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-13 22:43:21,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:43:21,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:21,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:21,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:22,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-13 22:43:22,415 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-13 22:43:22,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:43:22,416 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 22:43:22,426 INFO L729 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2024-11-13 22:43:22,487 INFO L77 FloydHoareUtils]: At program point L386-1(line 386) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (< |ULTIMATE.start_main_~length3~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length3~0#1|)) [2024-11-13 22:43:22,487 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 389) no Hoare annotation was computed. [2024-11-13 22:43:22,487 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 373 393) the Hoare annotation is: true [2024-11-13 22:43:22,487 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 386) no Hoare annotation was computed. [2024-11-13 22:43:22,487 INFO L77 FloydHoareUtils]: At program point L383-1(lines 383 385) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length3~0#1| (+ |ULTIMATE.start_main_~length2~0#1| 2147483646)) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (< |ULTIMATE.start_main_~length3~0#1| 2147483648) (< |ULTIMATE.start_main_~length2~0#1| (+ 2147483647 |ULTIMATE.start_main_~length3~0#1|)) (<= 1 |ULTIMATE.start_main_~length3~0#1|)) [2024-11-13 22:43:22,487 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 390) no Hoare annotation was computed. [2024-11-13 22:43:22,488 INFO L77 FloydHoareUtils]: At program point L367-1(lines 367 368) the Hoare annotation is: true [2024-11-13 22:43:22,488 INFO L77 FloydHoareUtils]: At program point L367-3(lines 367 368) the Hoare annotation is: true [2024-11-13 22:43:22,488 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 386) no Hoare annotation was computed. [2024-11-13 22:43:22,488 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:43:22,488 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 390) no Hoare annotation was computed. [2024-11-13 22:43:22,488 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:43:22,488 INFO L77 FloydHoareUtils]: At program point L389(line 389) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (< |ULTIMATE.start_main_~length3~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length3~0#1|)) [2024-11-13 22:43:22,488 INFO L77 FloydHoareUtils]: At program point L389-1(line 389) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (< |ULTIMATE.start_main_~length3~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length3~0#1|)) [2024-11-13 22:43:22,488 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 389) no Hoare annotation was computed. [2024-11-13 22:43:22,488 INFO L77 FloydHoareUtils]: At program point L369(lines 369 370) the Hoare annotation is: true [2024-11-13 22:43:22,489 INFO L77 FloydHoareUtils]: At program point L369-2(lines 369 370) the Hoare annotation is: true [2024-11-13 22:43:22,489 INFO L77 FloydHoareUtils]: At program point L369-3(lines 369 370) the Hoare annotation is: true [2024-11-13 22:43:22,489 INFO L77 FloydHoareUtils]: At program point L390(line 390) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length3~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length3~0#1|)) [2024-11-13 22:43:22,489 INFO L77 FloydHoareUtils]: At program point L390-1(line 390) the Hoare annotation is: (< |ULTIMATE.start_main_~length3~0#1| 2147483648) [2024-11-13 22:43:22,489 INFO L77 FloydHoareUtils]: At program point L386(line 386) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (< |ULTIMATE.start_main_~length3~0#1| 2147483648) (< |ULTIMATE.start_main_~length2~0#1| (+ 2147483647 |ULTIMATE.start_main_~length3~0#1|)) (<= 1 |ULTIMATE.start_main_~length3~0#1|)) [2024-11-13 22:43:22,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:43:22 ImpRootNode [2024-11-13 22:43:22,497 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:43:22,497 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:43:22,497 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:43:22,498 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:43:22,501 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:43:19" (3/4) ... [2024-11-13 22:43:22,503 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:43:22,510 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 22:43:22,510 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 22:43:22,511 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 22:43:22,511 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:43:22,593 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d348df-4ce7-4205-850b-ad5123c351a6/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:43:22,594 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d348df-4ce7-4205-850b-ad5123c351a6/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:43:22,594 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:43:22,596 INFO L158 Benchmark]: Toolchain (without parser) took 4474.38ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 85.4MB in the end (delta: 6.4MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. [2024-11-13 22:43:22,596 INFO L158 Benchmark]: CDTParser took 1.72ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:43:22,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 553.33ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 73.2MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:43:22,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.36ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 71.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:43:22,598 INFO L158 Benchmark]: Boogie Preprocessor took 23.49ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 70.8MB in the end (delta: 929.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:43:22,599 INFO L158 Benchmark]: RCFGBuilder took 522.82ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 56.0MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:43:22,599 INFO L158 Benchmark]: CodeCheck took 3224.86ms. Allocated memory is still 117.4MB. Free memory was 56.0MB in the beginning and 32.0MB in the end (delta: 24.0MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-13 22:43:22,599 INFO L158 Benchmark]: Witness Printer took 96.42ms. Allocated memory is still 117.4MB. Free memory was 32.0MB in the beginning and 85.4MB in the end (delta: -53.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:43:22,601 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 1 procedures, 21 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 99 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 99 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 345 IncrementalHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 0 mSDtfsCounter, 345 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1898 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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: 386]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 386]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 389]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 389]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 390]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 390]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.72ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 553.33ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 73.2MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.36ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 71.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.49ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 70.8MB in the end (delta: 929.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 522.82ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 56.0MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 3224.86ms. Allocated memory is still 117.4MB. Free memory was 56.0MB in the beginning and 32.0MB in the end (delta: 24.0MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Witness Printer took 96.42ms. Allocated memory is still 117.4MB. Free memory was 32.0MB in the beginning and 85.4MB in the end (delta: -53.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:43:22,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d348df-4ce7-4205-850b-ad5123c351a6/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