./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.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_e44667d8-3637-466a-af7b-10a826c2065a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44667d8-3637-466a-af7b-10a826c2065a/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_e44667d8-3637-466a-af7b-10a826c2065a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44667d8-3637-466a-af7b-10a826c2065a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44667d8-3637-466a-af7b-10a826c2065a/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_e44667d8-3637-466a-af7b-10a826c2065a/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 2ad2bfafb2e5236f68c3ecdd808488f9d9b4cfe5e1ccbe679b253d376c8c4674 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:20:54,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:20:54,827 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44667d8-3637-466a-af7b-10a826c2065a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:20:54,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:20:54,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:20:54,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:20:54,878 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:20:54,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:20:54,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:20:54,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:20:54,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:20:54,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:20:54,881 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:20:54,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:20:54,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:20:54,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:20:54,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:20:54,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:20:54,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:20:54,882 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:20:54,882 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:20:54,882 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:20:54,883 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:20:54,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:20:54,883 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:20:54,883 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:20:54,883 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:20:54,883 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:20:54,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:20:54,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:54,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:20:54,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:20:54,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:20:54,884 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:20:54,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:20:54,884 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_e44667d8-3637-466a-af7b-10a826c2065a/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 -> 2ad2bfafb2e5236f68c3ecdd808488f9d9b4cfe5e1ccbe679b253d376c8c4674 [2024-11-13 21:20:55,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:20:55,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:20:55,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:20:55,223 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:20:55,224 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:20:55,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44667d8-3637-466a-af7b-10a826c2065a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c Unable to find full path for "g++" [2024-11-13 21:20:57,079 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:20:57,342 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:20:57,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44667d8-3637-466a-af7b-10a826c2065a/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c [2024-11-13 21:20:57,350 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44667d8-3637-466a-af7b-10a826c2065a/bin/ukojak-verify-EEHR8qb7sm/data/980efedf3/a8f6216a1eca4f18a0044367db04cb67/FLAG32be467be [2024-11-13 21:20:57,365 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44667d8-3637-466a-af7b-10a826c2065a/bin/ukojak-verify-EEHR8qb7sm/data/980efedf3/a8f6216a1eca4f18a0044367db04cb67 [2024-11-13 21:20:57,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:20:57,369 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:20:57,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:57,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:20:57,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:20:57,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:57" (1/1) ... [2024-11-13 21:20:57,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b6d67b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:57, skipping insertion in model container [2024-11-13 21:20:57,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:57" (1/1) ... [2024-11-13 21:20:57,394 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:20:57,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:57,588 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:20:57,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:57,624 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:20:57,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:57 WrapperNode [2024-11-13 21:20:57,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:57,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:57,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:20:57,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:20:57,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:57" (1/1) ... [2024-11-13 21:20:57,641 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:57" (1/1) ... [2024-11-13 21:20:57,660 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2024-11-13 21:20:57,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:57,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:20:57,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:20:57,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:20:57,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:57" (1/1) ... [2024-11-13 21:20:57,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:57" (1/1) ... [2024-11-13 21:20:57,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:57" (1/1) ... [2024-11-13 21:20:57,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:57" (1/1) ... [2024-11-13 21:20:57,674 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:57" (1/1) ... [2024-11-13 21:20:57,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:57" (1/1) ... [2024-11-13 21:20:57,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:57" (1/1) ... [2024-11-13 21:20:57,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:57" (1/1) ... [2024-11-13 21:20:57,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:20:57,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:20:57,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:20:57,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:20:57,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:57" (1/1) ... [2024-11-13 21:20:57,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:57,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44667d8-3637-466a-af7b-10a826c2065a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:20:57,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44667d8-3637-466a-af7b-10a826c2065a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:20:57,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44667d8-3637-466a-af7b-10a826c2065a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:20:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:20:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:20:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:20:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:20:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:20:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:20:57,832 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:20:57,834 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:20:57,959 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 21:20:57,959 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:20:57,988 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:20:57,988 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:20:57,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:57 BoogieIcfgContainer [2024-11-13 21:20:57,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:20:57,990 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:20:57,990 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:20:58,000 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:20:58,000 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:57" (1/1) ... [2024-11-13 21:20:58,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:20:58,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:58,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-13 21:20:58,060 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-13 21:20:58,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:20:58,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:58,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:58,252 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 21:20:58,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:58,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-13 21:20:58,315 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-13 21:20:58,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:20:58,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:58,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:58,377 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 21:20:58,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:58,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-13 21:20:58,398 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-13 21:20:58,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:20:58,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:58,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:58,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:20:58,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:58,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2024-11-13 21:20:58,805 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-11-13 21:20:58,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:20:58,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:58,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:59,016 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:20:59,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:59,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2024-11-13 21:20:59,364 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-13 21:20:59,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:20:59,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:59,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:59,624 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:20:59,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:59,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 26 transitions. [2024-11-13 21:20:59,805 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-11-13 21:20:59,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:20:59,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:59,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:00,023 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:21:00,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:00,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 35 transitions. [2024-11-13 21:21:00,345 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-13 21:21:00,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 21:21:00,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:00,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:00,566 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:21:00,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:00,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 22 states and 26 transitions. [2024-11-13 21:21:00,714 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-11-13 21:21:00,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:21:00,715 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-13 21:21:00,726 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-13 21:21:00,847 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) the Hoare annotation is: true [2024-11-13 21:21:00,847 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:21:00,848 INFO L77 FloydHoareUtils]: At program point L44(line 44) the Hoare annotation is: true [2024-11-13 21:21:00,848 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:21:00,848 INFO L77 FloydHoareUtils]: At program point L34-1(line 34) the Hoare annotation is: true [2024-11-13 21:21:00,848 INFO L77 FloydHoareUtils]: At program point L34-2(line 34) the Hoare annotation is: true [2024-11-13 21:21:00,849 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) the Hoare annotation is: true [2024-11-13 21:21:00,849 INFO L77 FloydHoareUtils]: At program point L34-3(lines 34 43) the Hoare annotation is: (or (< 1 |ULTIMATE.start_main_#t~post6#1|) (and (not (= |ULTIMATE.start_main_#t~post6#1| 0)) (<= ~counter~0 2)) (<= ~counter~0 1)) [2024-11-13 21:21:00,849 INFO L77 FloydHoareUtils]: At program point L34-5(lines 34 43) the Hoare annotation is: true [2024-11-13 21:21:00,849 INFO L77 FloydHoareUtils]: At program point L34-6(lines 34 43) the Hoare annotation is: true [2024-11-13 21:21:00,849 INFO L77 FloydHoareUtils]: At program point L35(line 35) the Hoare annotation is: (<= ~counter~0 2) [2024-11-13 21:21:00,849 INFO L77 FloydHoareUtils]: At program point L35-1(lines 34 43) the Hoare annotation is: true [2024-11-13 21:21:00,849 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: true [2024-11-13 21:21:00,849 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true [2024-11-13 21:21:00,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:21:00 ImpRootNode [2024-11-13 21:21:00,868 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:21:00,869 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:21:00,869 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:21:00,870 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:21:00,872 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:57" (3/4) ... [2024-11-13 21:21:00,874 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:21:00,877 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 21:21:00,882 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 21:21:00,882 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 21:21:00,882 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:21:00,883 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:21:00,956 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44667d8-3637-466a-af7b-10a826c2065a/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:21:00,956 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44667d8-3637-466a-af7b-10a826c2065a/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:21:00,956 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:21:00,957 INFO L158 Benchmark]: Toolchain (without parser) took 3587.96ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 94.9MB in the beginning and 319.5MB in the end (delta: -224.6MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2024-11-13 21:21:00,958 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:00,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.04ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 84.1MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:21:00,958 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.08ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 82.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:00,959 INFO L158 Benchmark]: Boogie Preprocessor took 25.17ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 82.1MB in the end (delta: 622.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:00,959 INFO L158 Benchmark]: RCFGBuilder took 300.64ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 70.8MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:21:00,959 INFO L158 Benchmark]: CodeCheck took 2879.00ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 70.8MB in the beginning and 324.1MB in the end (delta: -253.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:00,960 INFO L158 Benchmark]: Witness Printer took 86.99ms. Allocated memory is still 352.3MB. Free memory was 324.1MB in the beginning and 319.5MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:00,962 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, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 127 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 108 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 358 IncrementalHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 108 mSolverCounterUnsat, 64 mSDtfsCounter, 358 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 729 GetRequests, 646 SyntacticMatches, 33 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 32/64 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: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: 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: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.04ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 84.1MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.08ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 82.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.17ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 82.1MB in the end (delta: 622.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 300.64ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 70.8MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2879.00ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 70.8MB in the beginning and 324.1MB in the end (delta: -253.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 86.99ms. Allocated memory is still 352.3MB. Free memory was 324.1MB in the beginning and 319.5MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:21:00,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44667d8-3637-466a-af7b-10a826c2065a/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