./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound2.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_24cb037d-fd7e-4a1d-97bf-ce4dcf57109a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cb037d-fd7e-4a1d-97bf-ce4dcf57109a/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_24cb037d-fd7e-4a1d-97bf-ce4dcf57109a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cb037d-fd7e-4a1d-97bf-ce4dcf57109a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cb037d-fd7e-4a1d-97bf-ce4dcf57109a/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_24cb037d-fd7e-4a1d-97bf-ce4dcf57109a/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 68a1d90e377c3311d76daf952c7a82207c21975afd6ee262fe642de3486ccf46 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:53:46,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:53:46,143 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cb037d-fd7e-4a1d-97bf-ce4dcf57109a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:53:46,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:53:46,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:53:46,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:53:46,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:53:46,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:53:46,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:53:46,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:53:46,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:53:46,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:53:46,174 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:53:46,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:53:46,174 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:53:46,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:53:46,174 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:53:46,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:53:46,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:53:46,174 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:53:46,174 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:53:46,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:53:46,174 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:53:46,175 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:53:46,175 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:53:46,175 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:53:46,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:53:46,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:53:46,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:53:46,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:53:46,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:53:46,176 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:53:46,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:53:46,176 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_24cb037d-fd7e-4a1d-97bf-ce4dcf57109a/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 -> 68a1d90e377c3311d76daf952c7a82207c21975afd6ee262fe642de3486ccf46 [2024-11-13 16:53:46,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:53:46,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:53:46,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:53:46,533 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:53:46,534 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:53:46,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cb037d-fd7e-4a1d-97bf-ce4dcf57109a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound2.c Unable to find full path for "g++" [2024-11-13 16:53:48,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:53:48,683 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:53:48,684 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cb037d-fd7e-4a1d-97bf-ce4dcf57109a/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound2.c [2024-11-13 16:53:48,693 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cb037d-fd7e-4a1d-97bf-ce4dcf57109a/bin/ukojak-verify-EEHR8qb7sm/data/7fee0732b/dcf5d5af7c674d749b9e2e499e29dc84/FLAGa47034c4b [2024-11-13 16:53:48,722 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cb037d-fd7e-4a1d-97bf-ce4dcf57109a/bin/ukojak-verify-EEHR8qb7sm/data/7fee0732b/dcf5d5af7c674d749b9e2e499e29dc84 [2024-11-13 16:53:48,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:53:48,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:53:48,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:53:48,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:53:48,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:53:48,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:53:48" (1/1) ... [2024-11-13 16:53:48,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1368b064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:48, skipping insertion in model container [2024-11-13 16:53:48,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:53:48" (1/1) ... [2024-11-13 16:53:48,766 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:53:48,977 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_24cb037d-fd7e-4a1d-97bf-ce4dcf57109a/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound2.c[454,467] [2024-11-13 16:53:49,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:53:49,013 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:53:49,026 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_24cb037d-fd7e-4a1d-97bf-ce4dcf57109a/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound2.c[454,467] [2024-11-13 16:53:49,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:53:49,055 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:53:49,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:49 WrapperNode [2024-11-13 16:53:49,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:53:49,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:53:49,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:53:49,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:53:49,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:49" (1/1) ... [2024-11-13 16:53:49,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:49" (1/1) ... [2024-11-13 16:53:49,094 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-11-13 16:53:49,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:53:49,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:53:49,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:53:49,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:53:49,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:49" (1/1) ... [2024-11-13 16:53:49,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:49" (1/1) ... [2024-11-13 16:53:49,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:49" (1/1) ... [2024-11-13 16:53:49,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:49" (1/1) ... [2024-11-13 16:53:49,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:49" (1/1) ... [2024-11-13 16:53:49,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:49" (1/1) ... [2024-11-13 16:53:49,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:49" (1/1) ... [2024-11-13 16:53:49,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:49" (1/1) ... [2024-11-13 16:53:49,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:53:49,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:53:49,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:53:49,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:53:49,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:49" (1/1) ... [2024-11-13 16:53:49,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:53:49,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cb037d-fd7e-4a1d-97bf-ce4dcf57109a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:53:49,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cb037d-fd7e-4a1d-97bf-ce4dcf57109a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:53:49,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cb037d-fd7e-4a1d-97bf-ce4dcf57109a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:53:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:53:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:53:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:53:49,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:53:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:53:49,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:53:49,285 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:53:49,287 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:53:49,398 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 16:53:49,399 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:53:49,434 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:53:49,434 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:53:49,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:53:49 BoogieIcfgContainer [2024-11-13 16:53:49,435 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:53:49,436 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:53:49,436 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:53:49,448 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:53:49,448 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:53:49" (1/1) ... [2024-11-13 16:53:49,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:53:49,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:49,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 16:53:49,531 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 16:53:49,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:53:49,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:49,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:49,675 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 16:53:49,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:49,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 16:53:49,693 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 16:53:49,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:53:49,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:49,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:49,799 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 16:53:49,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:49,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-13 16:53:49,857 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-13 16:53:49,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:53:49,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:49,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:53:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:49,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 16:53:49,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:50,095 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 16:53:50,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:50,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-13 16:53:50,506 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-13 16:53:50,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:53:50,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:50,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:50,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:51,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:51,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-13 16:53:51,456 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-13 16:53:51,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:53:51,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:51,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:51,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:52,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:52,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2024-11-13 16:53:52,576 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-11-13 16:53:52,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:53:52,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:52,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:53:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:52,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:53:52,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:52,866 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:53,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:53,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-13 16:53:53,681 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-13 16:53:53,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:53:53,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:53,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:53:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:53,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:53:53,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:53,776 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:54,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:54,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2024-11-13 16:53:54,184 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2024-11-13 16:53:54,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:53:54,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:54,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:53:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:54,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:53:54,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:54,383 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:53:55,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:55,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2024-11-13 16:53:55,067 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2024-11-13 16:53:55,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:53:55,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:55,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:55,360 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:53:56,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:56,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 57 transitions. [2024-11-13 16:53:56,190 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2024-11-13 16:53:56,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:53:56,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:56,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:56,426 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:53:56,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:56,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 18 states and 21 transitions. [2024-11-13 16:53:56,926 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 16:53:56,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 16:53:56,927 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2024-11-13 16:53:56,940 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 16:53:57,307 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 16:53:57,307 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-11-13 16:53:57,308 INFO L77 FloydHoareUtils]: At program point L28-1(lines 27 36) the Hoare annotation is: (= (* 2 |ULTIMATE.start_main_~x~0#1|) (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-11-13 16:53:57,308 INFO L77 FloydHoareUtils]: At program point L27-1(lines 27 36) the Hoare annotation is: (let ((.cse0 (<= ~counter~0 1)) (.cse1 (= |ULTIMATE.start_main_~y~0#1| 1))) (or (and .cse0 (<= 1 ~counter~0)) (not (= |ULTIMATE.start_main_#t~post5#1| 0)) (and (not (and (= |ULTIMATE.start_main_~x~0#1| 1) .cse1)) (not (and (= |ULTIMATE.start_main_~y~0#1| 0) (= |ULTIMATE.start_main_~x~0#1| 0)))) (and .cse0 .cse1))) [2024-11-13 16:53:57,308 INFO L77 FloydHoareUtils]: At program point L27-3(lines 27 36) the Hoare annotation is: true [2024-11-13 16:53:57,309 INFO L77 FloydHoareUtils]: At program point L27-4(lines 27 36) the Hoare annotation is: true [2024-11-13 16:53:57,309 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 16:53:57,309 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-11-13 16:53:57,309 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-11-13 16:53:57,309 INFO L77 FloydHoareUtils]: At program point L10(lines 10 13) the Hoare annotation is: (or (= __VERIFIER_assert_~cond 0) (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 1))) [2024-11-13 16:53:57,309 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 16:53:57,309 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (not (= |__VERIFIER_assert_#in~cond| 1)))) [2024-11-13 16:53:57,310 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 16:53:57,310 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-11-13 16:53:57,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:53:57 ImpRootNode [2024-11-13 16:53:57,328 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:53:57,329 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:53:57,329 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:53:57,329 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:53:57,330 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:53:49" (3/4) ... [2024-11-13 16:53:57,332 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:53:57,337 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 16:53:57,340 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 16:53:57,340 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 16:53:57,341 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 16:53:57,341 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 16:53:57,421 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cb037d-fd7e-4a1d-97bf-ce4dcf57109a/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 16:53:57,422 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cb037d-fd7e-4a1d-97bf-ce4dcf57109a/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 16:53:57,422 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:53:57,423 INFO L158 Benchmark]: Toolchain (without parser) took 8692.69ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 65.0MB in the end (delta: 54.4MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2024-11-13 16:53:57,426 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:53:57,426 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.05ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 108.3MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:53:57,426 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.42ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:53:57,426 INFO L158 Benchmark]: Boogie Preprocessor took 29.66ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.4MB in the end (delta: 737.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:53:57,427 INFO L158 Benchmark]: RCFGBuilder took 308.47ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 95.6MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:53:57,429 INFO L158 Benchmark]: CodeCheck took 7892.23ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 69.2MB in the end (delta: 26.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-13 16:53:57,430 INFO L158 Benchmark]: Witness Printer took 93.34ms. Allocated memory is still 142.6MB. Free memory was 69.2MB in the beginning and 65.0MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:53:57,431 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.5s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 336 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 248 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 388 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1019 IncrementalHoareTripleChecker+Invalid, 1407 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 388 mSolverCounterUnsat, 170 mSDtfsCounter, 1019 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1281 GetRequests, 1120 SyntacticMatches, 39 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6387 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 137 ConstructedInterpolants, 0 QuantifiedInterpolants, 419 SizeOfPredicates, 4 NumberOfNonLiveVariables, 264 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 41/68 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: 12]: 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: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((cond == 0) || (cond == 1)) Ensures: ((cond != 0) && (counter == \old(counter))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.05ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 108.3MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.42ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.66ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.4MB in the end (delta: 737.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 308.47ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 95.6MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 7892.23ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 69.2MB in the end (delta: 26.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Witness Printer took 93.34ms. Allocated memory is still 142.6MB. Free memory was 69.2MB in the beginning and 65.0MB 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 16:53:57,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cb037d-fd7e-4a1d-97bf-ce4dcf57109a/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