./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.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_87e8d41b-56ea-48b2-b3d9-e3ac2b9f74f9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e8d41b-56ea-48b2-b3d9-e3ac2b9f74f9/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_87e8d41b-56ea-48b2-b3d9-e3ac2b9f74f9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e8d41b-56ea-48b2-b3d9-e3ac2b9f74f9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e8d41b-56ea-48b2-b3d9-e3ac2b9f74f9/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_87e8d41b-56ea-48b2-b3d9-e3ac2b9f74f9/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 c7383f54d0aefdd248f516d45c67549426beac87be78bf6e7bb8108aedb7974b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:44:36,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:44:36,723 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e8d41b-56ea-48b2-b3d9-e3ac2b9f74f9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:44:36,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:44:36,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:44:36,771 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:44:36,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:44:36,773 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:44:36,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:44:36,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:44:36,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:44:36,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:44:36,775 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:44:36,775 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:44:36,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:44:36,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:44:36,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:44:36,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:44:36,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:44:36,776 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:44:36,776 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:44:36,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:44:36,776 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:44:36,776 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:44:36,776 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:44:36,776 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:44:36,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:44:36,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:44:36,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:44:36,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:44:36,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:44:36,778 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:44:36,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:44:36,778 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_87e8d41b-56ea-48b2-b3d9-e3ac2b9f74f9/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 -> c7383f54d0aefdd248f516d45c67549426beac87be78bf6e7bb8108aedb7974b [2024-11-13 20:44:37,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:44:37,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:44:37,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:44:37,146 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:44:37,147 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:44:37,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e8d41b-56ea-48b2-b3d9-e3ac2b9f74f9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c Unable to find full path for "g++" [2024-11-13 20:44:39,036 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:44:39,342 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:44:39,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e8d41b-56ea-48b2-b3d9-e3ac2b9f74f9/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c [2024-11-13 20:44:39,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e8d41b-56ea-48b2-b3d9-e3ac2b9f74f9/bin/ukojak-verify-EEHR8qb7sm/data/3cc290b92/03e40bd36edc4210821cf4b33229224c/FLAGf05b76164 [2024-11-13 20:44:39,376 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e8d41b-56ea-48b2-b3d9-e3ac2b9f74f9/bin/ukojak-verify-EEHR8qb7sm/data/3cc290b92/03e40bd36edc4210821cf4b33229224c [2024-11-13 20:44:39,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:44:39,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:44:39,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:44:39,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:44:39,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:44:39,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e31b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39, skipping insertion in model container [2024-11-13 20:44:39,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:44:39,590 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_87e8d41b-56ea-48b2-b3d9-e3ac2b9f74f9/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c[526,539] [2024-11-13 20:44:39,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:44:39,625 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:44:39,639 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_87e8d41b-56ea-48b2-b3d9-e3ac2b9f74f9/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c[526,539] [2024-11-13 20:44:39,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:44:39,661 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:44:39,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39 WrapperNode [2024-11-13 20:44:39,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:44:39,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:44:39,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:44:39,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:44:39,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,692 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2024-11-13 20:44:39,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:44:39,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:44:39,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:44:39,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:44:39,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,711 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:44:39,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:44:39,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:44:39,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:44:39,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:44:39,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e8d41b-56ea-48b2-b3d9-e3ac2b9f74f9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:44:39,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e8d41b-56ea-48b2-b3d9-e3ac2b9f74f9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:44:39,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e8d41b-56ea-48b2-b3d9-e3ac2b9f74f9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:44:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:44:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:44:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:44:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:44:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:44:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:44:39,878 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:44:39,880 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:44:40,033 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 20:44:40,033 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:44:40,073 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:44:40,073 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:44:40,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:40 BoogieIcfgContainer [2024-11-13 20:44:40,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:44:40,074 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:44:40,075 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:44:40,083 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:44:40,084 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:40" (1/1) ... [2024-11-13 20:44:40,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:44:40,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:40,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-13 20:44:40,147 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-13 20:44:40,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:44:40,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:40,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:40,304 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 20:44:40,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:40,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-13 20:44:40,330 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-13 20:44:40,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:44:40,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:40,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:40,553 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 20:44:40,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:40,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2024-11-13 20:44:40,676 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2024-11-13 20:44:40,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:44:40,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:40,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:40,849 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 20:44:41,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:41,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2024-11-13 20:44:41,115 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2024-11-13 20:44:41,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:44:41,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:41,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:41,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:44:41,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:41,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2024-11-13 20:44:41,634 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-13 20:44:41,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:44:41,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:41,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:44:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:41,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:44:41,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:41,956 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 20:44:42,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:42,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 61 transitions. [2024-11-13 20:44:42,790 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2024-11-13 20:44:42,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 20:44:42,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:42,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:44:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:42,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:44:42,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:43,018 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:44:43,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:43,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 72 transitions. [2024-11-13 20:44:43,622 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2024-11-13 20:44:43,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 20:44:43,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:43,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:43,884 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:44:44,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:44,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 85 transitions. [2024-11-13 20:44:44,892 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2024-11-13 20:44:44,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:44:44,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:44,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:44:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:44,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:44:44,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:45,011 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 20:44:45,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:45,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 86 transitions. [2024-11-13 20:44:45,418 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2024-11-13 20:44:45,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:44:45,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:45,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:45,649 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 20:44:46,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:46,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 85 transitions. [2024-11-13 20:44:46,074 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2024-11-13 20:44:46,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:44:46,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:46,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:46,267 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 20:44:47,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:47,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 55 states and 96 transitions. [2024-11-13 20:44:47,113 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 96 transitions. [2024-11-13 20:44:47,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 20:44:47,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:47,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:44:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:47,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:44:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:47,234 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2024-11-13 20:44:47,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:44:47 ImpRootNode [2024-11-13 20:44:47,291 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:44:47,292 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:44:47,292 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:44:47,292 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:44:47,293 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:40" (3/4) ... [2024-11-13 20:44:47,294 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 20:44:47,355 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e8d41b-56ea-48b2-b3d9-e3ac2b9f74f9/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:44:47,356 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:44:47,356 INFO L158 Benchmark]: Toolchain (without parser) took 7976.89ms. Allocated memory is still 117.4MB. Free memory was 95.2MB in the beginning and 80.7MB in the end (delta: 14.5MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-11-13 20:44:47,357 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:47,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.92ms. Allocated memory is still 117.4MB. Free memory was 94.8MB in the beginning and 83.6MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:44:47,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.27ms. Allocated memory is still 117.4MB. Free memory was 83.6MB in the beginning and 82.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:47,358 INFO L158 Benchmark]: Boogie Preprocessor took 20.66ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.8MB in the end (delta: 747.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:47,359 INFO L158 Benchmark]: RCFGBuilder took 359.45ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 68.8MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:44:47,359 INFO L158 Benchmark]: CodeCheck took 7216.93ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 83.2MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:47,360 INFO L158 Benchmark]: Witness Printer took 63.67ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 80.7MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:44:47,363 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 615 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 577 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 155 mSDsCounter, 368 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1164 IncrementalHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 368 mSolverCounterUnsat, 422 mSDtfsCounter, 1164 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1692 GetRequests, 1545 SyntacticMatches, 25 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5931 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 445 SizeOfPredicates, 3 NumberOfNonLiveVariables, 288 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 111/118 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 - CounterExampleResult [Line: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] int A, B; [L25] int r, d, p, q; [L26] A = __VERIFIER_nondet_int() [L27] B = 1 [L29] r = A [L30] d = B [L31] p = 1 [L32] q = 0 VAL [A=1, B=1, counter=0, d=1, p=1, q=0, r=1] [L34] EXPR counter++ VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L34] COND TRUE counter++<1 [L35] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L36] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L36] RET __VERIFIER_assert(r == A) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L37] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L38] COND FALSE !(!(r >= d)) [L40] d = 2 * d [L41] p = 2 * p VAL [A=1, B=1, counter=1, d=2, p=2, q=0, r=1] [L34] EXPR counter++ VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L34] COND FALSE !(counter++<1) [L44] EXPR counter++ VAL [A=1, B=1, counter=3, d=2, p=2, q=0, r=1] [L44] COND FALSE !(counter++<1) [L58] CALL __VERIFIER_assert(A == d*q + r) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L58] RET __VERIFIER_assert(A == d*q + r) VAL [A=1, B=1, counter=3, d=2, p=2, q=0, r=1] [L59] CALL __VERIFIER_assert(B == d) VAL [\old(cond)=0, counter=3] [L15] COND TRUE !(cond) VAL [\old(cond)=0, counter=3] [L17] reach_error() VAL [\old(cond)=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.92ms. Allocated memory is still 117.4MB. Free memory was 94.8MB in the beginning and 83.6MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.27ms. Allocated memory is still 117.4MB. Free memory was 83.6MB in the beginning and 82.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.66ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.8MB in the end (delta: 747.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 359.45ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 68.8MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 7216.93ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 83.2MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 63.67ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 80.7MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 20:44:47,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e8d41b-56ea-48b2-b3d9-e3ac2b9f74f9/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE