./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_4df39629-5f11-4f10-a3e0-bb9c6c156729/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df39629-5f11-4f10-a3e0-bb9c6c156729/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_4df39629-5f11-4f10-a3e0-bb9c6c156729/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df39629-5f11-4f10-a3e0-bb9c6c156729/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df39629-5f11-4f10-a3e0-bb9c6c156729/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df39629-5f11-4f10-a3e0-bb9c6c156729/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 32bit --witnessprinter.graph.data.programhash 87db985859a6b034137d18f88e4077536120341f1ad0cccc5267e9ee4379ce7a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:52:52,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:52:52,261 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df39629-5f11-4f10-a3e0-bb9c6c156729/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 22:52:52,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:52:52,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:52:52,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:52:52,320 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:52:52,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:52:52,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:52:52,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:52:52,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:52:52,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:52:52,323 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:52:52,323 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:52:52,323 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:52:52,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:52:52,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:52:52,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:52:52,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:52:52,325 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:52:52,325 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:52:52,325 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:52:52,325 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:52:52,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:52:52,326 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:52:52,326 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:52:52,326 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:52:52,326 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:52:52,326 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:52:52,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:52:52,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:52:52,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:52:52,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:52:52,327 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:52:52,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:52:52,327 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_4df39629-5f11-4f10-a3e0-bb9c6c156729/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87db985859a6b034137d18f88e4077536120341f1ad0cccc5267e9ee4379ce7a [2024-11-13 22:52:52,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:52:52,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:52:52,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:52:52,667 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:52:52,667 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:52:52,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df39629-5f11-4f10-a3e0-bb9c6c156729/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c Unable to find full path for "g++" [2024-11-13 22:52:54,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:52:55,166 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:52:55,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df39629-5f11-4f10-a3e0-bb9c6c156729/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2024-11-13 22:52:55,180 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df39629-5f11-4f10-a3e0-bb9c6c156729/bin/ukojak-verify-EEHR8qb7sm/data/55b1c12d3/a38cd45e6ff4432bb7eb92ee6296d1ce/FLAGabc28ba93 [2024-11-13 22:52:55,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df39629-5f11-4f10-a3e0-bb9c6c156729/bin/ukojak-verify-EEHR8qb7sm/data/55b1c12d3/a38cd45e6ff4432bb7eb92ee6296d1ce [2024-11-13 22:52:55,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:52:55,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:52:55,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:52:55,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:52:55,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:52:55,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:52:55" (1/1) ... [2024-11-13 22:52:55,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce3eb79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:55, skipping insertion in model container [2024-11-13 22:52:55,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:52:55" (1/1) ... [2024-11-13 22:52:55,229 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:52:55,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:52:55,457 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:52:55,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:52:55,508 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:52:55,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:55 WrapperNode [2024-11-13 22:52:55,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:52:55,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:52:55,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:52:55,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:52:55,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:55" (1/1) ... [2024-11-13 22:52:55,535 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:55" (1/1) ... [2024-11-13 22:52:55,560 INFO L138 Inliner]: procedures = 14, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2024-11-13 22:52:55,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:52:55,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:52:55,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:52:55,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:52:55,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:55" (1/1) ... [2024-11-13 22:52:55,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:55" (1/1) ... [2024-11-13 22:52:55,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:55" (1/1) ... [2024-11-13 22:52:55,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:55" (1/1) ... [2024-11-13 22:52:55,576 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:55" (1/1) ... [2024-11-13 22:52:55,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:55" (1/1) ... [2024-11-13 22:52:55,581 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:55" (1/1) ... [2024-11-13 22:52:55,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:55" (1/1) ... [2024-11-13 22:52:55,584 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:52:55,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:52:55,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:52:55,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:52:55,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:55" (1/1) ... [2024-11-13 22:52:55,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:52:55,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df39629-5f11-4f10-a3e0-bb9c6c156729/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:52:55,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df39629-5f11-4f10-a3e0-bb9c6c156729/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:52:55,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df39629-5f11-4f10-a3e0-bb9c6c156729/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:52:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:52:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:52:55,682 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:52:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:52:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:52:55,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:52:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:52:55,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:52:55,782 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:52:55,785 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:52:56,047 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:52:56,048 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:52:56,111 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:52:56,111 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:52:56,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:52:56 BoogieIcfgContainer [2024-11-13 22:52:56,112 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:52:56,113 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:52:56,113 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:52:56,124 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:52:56,124 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:52:56" (1/1) ... [2024-11-13 22:52:56,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:52:56,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:56,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-13 22:52:56,203 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-13 22:52:56,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:52:56,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:56,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:56,661 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:52:56,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:56,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 29 transitions. [2024-11-13 22:52:56,795 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-13 22:52:56,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:52:56,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:56,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:57,018 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:52:57,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:57,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 30 transitions. [2024-11-13 22:52:57,072 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-11-13 22:52:57,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:52:57,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:57,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:57,490 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:52:57,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:57,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 38 transitions. [2024-11-13 22:52:57,733 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-11-13 22:52:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:52:57,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:57,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:58,013 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:52:58,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:58,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 46 transitions. [2024-11-13 22:52:58,459 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2024-11-13 22:52:58,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:52:58,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:58,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:58,742 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 22:52:58,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:58,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 23 states and 27 transitions. [2024-11-13 22:52:58,914 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-11-13 22:52:58,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:52:58,915 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-13 22:52:58,929 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-13 22:52:59,032 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) the Hoare annotation is: true [2024-11-13 22:52:59,032 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:52:59,033 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-11-13 22:52:59,033 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (= ~counter~0 0) [2024-11-13 22:52:59,033 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: true [2024-11-13 22:52:59,033 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:52:59,033 INFO L77 FloydHoareUtils]: At program point L42-2(lines 36 49) the Hoare annotation is: true [2024-11-13 22:52:59,033 INFO L77 FloydHoareUtils]: At program point L36-1(line 36) the Hoare annotation is: true [2024-11-13 22:52:59,033 INFO L77 FloydHoareUtils]: At program point L36-2(line 36) the Hoare annotation is: true [2024-11-13 22:52:59,034 INFO L77 FloydHoareUtils]: At program point L36-3(lines 36 49) the Hoare annotation is: (not (and (= |ULTIMATE.start_main_#t~post6#1| 0) (< 1 ~counter~0))) [2024-11-13 22:52:59,034 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) the Hoare annotation is: true [2024-11-13 22:52:59,034 INFO L77 FloydHoareUtils]: At program point L36-5(lines 36 49) the Hoare annotation is: true [2024-11-13 22:52:59,034 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-11-13 22:52:59,034 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: true [2024-11-13 22:52:59,034 INFO L77 FloydHoareUtils]: At program point L51(line 51) the Hoare annotation is: true [2024-11-13 22:52:59,034 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-11-13 22:52:59,034 INFO L77 FloydHoareUtils]: At program point L37-1(lines 36 49) the Hoare annotation is: true [2024-11-13 22:52:59,035 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 8 10) the Hoare annotation is: true [2024-11-13 22:52:59,035 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 8 10) the Hoare annotation is: true [2024-11-13 22:52:59,035 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: true [2024-11-13 22:52:59,035 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2024-11-13 22:52:59,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:52:59 ImpRootNode [2024-11-13 22:52:59,057 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:52:59,058 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:52:59,058 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:52:59,058 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:52:59,059 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:52:56" (3/4) ... [2024-11-13 22:52:59,062 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:52:59,066 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 22:52:59,067 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 22:52:59,072 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-13 22:52:59,074 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-13 22:52:59,074 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 22:52:59,075 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:52:59,075 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:52:59,180 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df39629-5f11-4f10-a3e0-bb9c6c156729/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:52:59,182 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df39629-5f11-4f10-a3e0-bb9c6c156729/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:52:59,182 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:52:59,186 INFO L158 Benchmark]: Toolchain (without parser) took 3981.45ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 65.2MB in the end (delta: 27.7MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-11-13 22:52:59,186 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:52:59,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.14ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:52:59,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.57ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:52:59,187 INFO L158 Benchmark]: Boogie Preprocessor took 22.57ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.9MB in the end (delta: 713.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:52:59,188 INFO L158 Benchmark]: RCFGBuilder took 526.87ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 66.8MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:52:59,188 INFO L158 Benchmark]: CodeCheck took 2944.44ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 69.4MB in the end (delta: -2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:52:59,189 INFO L158 Benchmark]: Witness Printer took 124.53ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 65.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:52:59,192 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 222 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 172 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 249 IncrementalHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 152 mSDtfsCounter, 249 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 794 GetRequests, 755 SyntacticMatches, 7 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 235 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 68/77 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: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - ProcedureContractResult [Line: 8]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (counter == \old(counter)) - ProcedureContractResult [Line: 11]: 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 0.48ms. Allocated memory is still 117.4MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.14ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.57ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.57ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.9MB in the end (delta: 713.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 526.87ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 66.8MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2944.44ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 69.4MB in the end (delta: -2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 124.53ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 65.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:52:59,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df39629-5f11-4f10-a3e0-bb9c6c156729/bin/ukojak-verify-EEHR8qb7sm/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