./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-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_30fec36a-f006-4608-9591-b70454302337/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fec36a-f006-4608-9591-b70454302337/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_30fec36a-f006-4608-9591-b70454302337/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fec36a-f006-4608-9591-b70454302337/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_30fec36a-f006-4608-9591-b70454302337/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_30fec36a-f006-4608-9591-b70454302337/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 2ad2bfafb2e5236f68c3ecdd808488f9d9b4cfe5e1ccbe679b253d376c8c4674 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:47:52,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:47:52,707 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fec36a-f006-4608-9591-b70454302337/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:47:52,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:47:52,717 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:47:52,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:47:52,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:47:52,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:47:52,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:47:52,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:47:52,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:47:52,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:47:52,741 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:47:52,741 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:47:52,741 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:47:52,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:47:52,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:47:52,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:47:52,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:47:52,742 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:47:52,742 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:47:52,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:47:52,742 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:47:52,742 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:47:52,742 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:47:52,742 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:47:52,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:47:52,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:47:52,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:47:52,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:47:52,743 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:47:52,743 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:47:52,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:47:52,743 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_30fec36a-f006-4608-9591-b70454302337/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 -> 2ad2bfafb2e5236f68c3ecdd808488f9d9b4cfe5e1ccbe679b253d376c8c4674 [2024-11-13 16:47:53,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:47:53,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:47:53,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:47:53,036 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:47:53,037 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:47:53,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fec36a-f006-4608-9591-b70454302337/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c Unable to find full path for "g++" [2024-11-13 16:47:54,833 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:47:55,106 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:47:55,107 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fec36a-f006-4608-9591-b70454302337/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c [2024-11-13 16:47:55,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fec36a-f006-4608-9591-b70454302337/bin/ukojak-verify-EEHR8qb7sm/data/c0b797262/5db9f0bf4ba14f85b0ecc6bcd771d222/FLAG4a3be1c3c [2024-11-13 16:47:55,411 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fec36a-f006-4608-9591-b70454302337/bin/ukojak-verify-EEHR8qb7sm/data/c0b797262/5db9f0bf4ba14f85b0ecc6bcd771d222 [2024-11-13 16:47:55,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:47:55,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:47:55,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:47:55,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:47:55,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:47:55,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:47:55" (1/1) ... [2024-11-13 16:47:55,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@223a38f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:55, skipping insertion in model container [2024-11-13 16:47:55,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:47:55" (1/1) ... [2024-11-13 16:47:55,447 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:47:55,597 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_30fec36a-f006-4608-9591-b70454302337/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c[525,538] [2024-11-13 16:47:55,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:47:55,628 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:47:55,638 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_30fec36a-f006-4608-9591-b70454302337/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c[525,538] [2024-11-13 16:47:55,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:47:55,662 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:47:55,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:55 WrapperNode [2024-11-13 16:47:55,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:47:55,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:47:55,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:47:55,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:47:55,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:55" (1/1) ... [2024-11-13 16:47:55,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:55" (1/1) ... [2024-11-13 16:47:55,696 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-11-13 16:47:55,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:47:55,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:47:55,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:47:55,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:47:55,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:55" (1/1) ... [2024-11-13 16:47:55,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:55" (1/1) ... [2024-11-13 16:47:55,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:55" (1/1) ... [2024-11-13 16:47:55,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:55" (1/1) ... [2024-11-13 16:47:55,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:55" (1/1) ... [2024-11-13 16:47:55,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:55" (1/1) ... [2024-11-13 16:47:55,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:55" (1/1) ... [2024-11-13 16:47:55,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:55" (1/1) ... [2024-11-13 16:47:55,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:47:55,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:47:55,727 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:47:55,727 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:47:55,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:55" (1/1) ... [2024-11-13 16:47:55,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:47:55,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fec36a-f006-4608-9591-b70454302337/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:47:55,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fec36a-f006-4608-9591-b70454302337/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:47:55,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fec36a-f006-4608-9591-b70454302337/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:47:55,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:47:55,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:47:55,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:47:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:47:55,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:47:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:47:55,869 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:47:55,871 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:47:56,034 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 16:47:56,035 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:47:56,068 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:47:56,068 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:47:56,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:47:56 BoogieIcfgContainer [2024-11-13 16:47:56,070 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:47:56,070 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:47:56,070 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:47:56,080 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:47:56,080 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:47:56" (1/1) ... [2024-11-13 16:47:56,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:47:56,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:56,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 16:47:56,145 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 16:47:56,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:47:56,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:56,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:47:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:56,307 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 16:47:56,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:56,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 16:47:56,331 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 16:47:56,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:47:56,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:56,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:47:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:56,505 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 16:47:56,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:56,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-13 16:47:56,558 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-13 16:47:56,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:47:56,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:56,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:47:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:47:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:56,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:47:56,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:56,752 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 16:47:57,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:57,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-13 16:47:57,034 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-13 16:47:57,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:47:57,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:57,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:47:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:57,365 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 16:47:57,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:57,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-13 16:47:57,956 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-13 16:47:57,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:47:57,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:57,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:47:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:58,168 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 16:47:59,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2024-11-13 16:47:59,657 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-11-13 16:47:59,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:47:59,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:59,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:47:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:47:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:59,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 16:47:59,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:59,838 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:48:13,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:13,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-13 16:48:13,411 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-13 16:48:13,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:48:13,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:13,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:48:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:48:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:13,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 16:48:13,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:48:13,524 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:48:18,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:18,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2024-11-13 16:48:18,318 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-13 16:48:18,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:48:18,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:18,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:48:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:48:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:18,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:48:18,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:48:18,699 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 16:48:22,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:22,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2024-11-13 16:48:22,006 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2024-11-13 16:48:22,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:48:22,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:22,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:48:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:22,420 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 16:48:23,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:23,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2024-11-13 16:48:23,663 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-11-13 16:48:23,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:48:23,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:23,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:48:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:23,834 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 16:48:24,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 18 states and 21 transitions. [2024-11-13 16:48:24,473 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 16:48:24,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 16:48:24,474 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2024-11-13 16:48:24,486 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 16:48:25,308 INFO L77 FloydHoareUtils]: At program point L34-1(lines 34 43) the Hoare annotation is: (let ((.cse0 (<= ~counter~0 1)) (.cse1 (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|)) (.cse2 (= |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~z~0#1| 1)))) (or (not (= |ULTIMATE.start_main_#t~post6#1| 0)) (and .cse0 (<= 1 ~counter~0)) (and .cse1 .cse0 .cse2) (and (not (and (= |ULTIMATE.start_main_~x~0#1| 1) (= |ULTIMATE.start_main_~y~0#1| 1))) (not (and .cse1 .cse2))))) [2024-11-13 16:48:25,308 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 16:48:25,308 INFO L77 FloydHoareUtils]: At program point L34-3(lines 34 43) the Hoare annotation is: true [2024-11-13 16:48:25,308 INFO L77 FloydHoareUtils]: At program point L34-4(lines 34 43) the Hoare annotation is: true [2024-11-13 16:48:25,308 INFO L77 FloydHoareUtils]: At program point L44(line 44) the Hoare annotation is: true [2024-11-13 16:48:25,308 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 16:48:25,309 INFO L77 FloydHoareUtils]: At program point L35(line 35) the Hoare annotation is: true [2024-11-13 16:48:25,309 INFO L77 FloydHoareUtils]: At program point L35-1(lines 34 43) the Hoare annotation is: (= (mod (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) (* 18446744073709551615 |ULTIMATE.start_main_~x~0#1|) 1 (* 18446744073709551615 |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|)) 18446744073709551616) 0) [2024-11-13 16:48:25,309 INFO L77 FloydHoareUtils]: At program point L16(lines 16 17) the Hoare annotation is: true [2024-11-13 16:48:25,309 INFO L77 FloydHoareUtils]: At program point L15(lines 15 18) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-11-13 16:48:25,309 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 20) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 16:48:25,309 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 16:48:25,310 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-11-13 16:48:25,310 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) the Hoare annotation is: true [2024-11-13 16:48:25,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:48:25 ImpRootNode [2024-11-13 16:48:25,334 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:48:25,334 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:48:25,334 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:48:25,335 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:48:25,337 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:47:56" (3/4) ... [2024-11-13 16:48:25,339 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:48:25,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 16:48:25,350 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 16:48:25,350 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 16:48:25,351 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 16:48:25,351 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 16:48:25,437 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fec36a-f006-4608-9591-b70454302337/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 16:48:25,438 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fec36a-f006-4608-9591-b70454302337/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 16:48:25,438 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:48:25,439 INFO L158 Benchmark]: Toolchain (without parser) took 30022.99ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 82.2MB in the end (delta: 37.3MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-11-13 16:48:25,439 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 16:48:25,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.12ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 108.3MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:48:25,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.71ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:48:25,440 INFO L158 Benchmark]: Boogie Preprocessor took 28.20ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.4MB in the end (delta: 837.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:48:25,440 INFO L158 Benchmark]: RCFGBuilder took 342.86ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 95.2MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:48:25,442 INFO L158 Benchmark]: CodeCheck took 29263.27ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 86.3MB in the end (delta: 8.9MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2024-11-13 16:48:25,443 INFO L158 Benchmark]: Witness Printer took 103.55ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 82.2MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:48:25,444 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: 28.4s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 329 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116 mSDsluCounter, 248 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 371 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1047 IncrementalHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 371 mSolverCounterUnsat, 170 mSDtfsCounter, 1047 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1296 GetRequests, 1140 SyntacticMatches, 38 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5644 ImplicationChecksByTransitivity, 25.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 137 ConstructedInterpolants, 0 QuantifiedInterpolants, 490 SizeOfPredicates, 4 NumberOfNonLiveVariables, 272 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 39/68 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: 17]: 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: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: ((cond != 0) && (counter == \old(counter))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.12ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 108.3MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.71ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.20ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.4MB in the end (delta: 837.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 342.86ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 95.2MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 29263.27ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 86.3MB in the end (delta: 8.9MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Witness Printer took 103.55ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 82.2MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 16:48:25,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fec36a-f006-4608-9591-b70454302337/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE