./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/hard.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb7f302-fead-466d-9a8b-6a19f0f7ef09/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb7f302-fead-466d-9a8b-6a19f0f7ef09/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb7f302-fead-466d-9a8b-6a19f0f7ef09/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb7f302-fead-466d-9a8b-6a19f0f7ef09/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/hard.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb7f302-fead-466d-9a8b-6a19f0f7ef09/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb7f302-fead-466d-9a8b-6a19f0f7ef09/bin/ukojak-verify-ImItNfHLgk --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 bf4084038551b4d4dee908f8b840106d6ac9404d49a5054c0a9fd13f046dedeb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:00:33,152 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:00:33,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb7f302-fead-466d-9a8b-6a19f0f7ef09/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 23:00:33,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:00:33,242 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:00:33,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:00:33,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:00:33,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:00:33,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:00:33,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:00:33,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:00:33,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:00:33,296 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:00:33,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:00:33,297 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:00:33,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:00:33,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:00:33,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:00:33,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:00:33,299 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:00:33,299 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:00:33,300 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:00:33,300 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:00:33,301 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:00:33,301 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:00:33,302 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:00:33,302 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:00:33,302 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:00:33,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:00:33,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:00:33,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:00:33,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:00:33,306 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:00:33,306 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:00:33,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:00:33,307 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb7f302-fead-466d-9a8b-6a19f0f7ef09/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb7f302-fead-466d-9a8b-6a19f0f7ef09/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf4084038551b4d4dee908f8b840106d6ac9404d49a5054c0a9fd13f046dedeb [2024-11-08 23:00:33,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:00:33,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:00:33,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:00:33,613 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:00:33,613 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:00:33,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb7f302-fead-466d-9a8b-6a19f0f7ef09/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench/hard.c Unable to find full path for "g++" [2024-11-08 23:00:35,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:00:35,924 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:00:35,925 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb7f302-fead-466d-9a8b-6a19f0f7ef09/sv-benchmarks/c/nla-digbench/hard.c [2024-11-08 23:00:35,938 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb7f302-fead-466d-9a8b-6a19f0f7ef09/bin/ukojak-verify-ImItNfHLgk/data/259486009/151a8a3f031544dd90ff7e67b91b22ec/FLAG0a4b42e98 [2024-11-08 23:00:36,291 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb7f302-fead-466d-9a8b-6a19f0f7ef09/bin/ukojak-verify-ImItNfHLgk/data/259486009/151a8a3f031544dd90ff7e67b91b22ec [2024-11-08 23:00:36,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:00:36,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:00:36,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:00:36,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:00:36,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:00:36,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:00:36" (1/1) ... [2024-11-08 23:00:36,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b37123b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:36, skipping insertion in model container [2024-11-08 23:00:36,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:00:36" (1/1) ... [2024-11-08 23:00:36,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:00:36,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:00:36,562 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:00:36,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:00:36,605 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:00:36,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:36 WrapperNode [2024-11-08 23:00:36,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:00:36,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:00:36,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:00:36,607 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:00:36,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:36" (1/1) ... [2024-11-08 23:00:36,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:36" (1/1) ... [2024-11-08 23:00:36,644 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2024-11-08 23:00:36,645 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:00:36,646 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:00:36,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:00:36,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:00:36,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:36" (1/1) ... [2024-11-08 23:00:36,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:36" (1/1) ... [2024-11-08 23:00:36,659 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:36" (1/1) ... [2024-11-08 23:00:36,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:36" (1/1) ... [2024-11-08 23:00:36,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:36" (1/1) ... [2024-11-08 23:00:36,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:36" (1/1) ... [2024-11-08 23:00:36,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:36" (1/1) ... [2024-11-08 23:00:36,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:36" (1/1) ... [2024-11-08 23:00:36,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:00:36,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:00:36,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:00:36,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:00:36,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:36" (1/1) ... [2024-11-08 23:00:36,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:00:36,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb7f302-fead-466d-9a8b-6a19f0f7ef09/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:00:36,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb7f302-fead-466d-9a8b-6a19f0f7ef09/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:00:36,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb7f302-fead-466d-9a8b-6a19f0f7ef09/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:00:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:00:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:00:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:00:36,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:00:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:00:36,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:00:36,824 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:00:36,826 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:00:37,248 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-08 23:00:37,248 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:00:37,316 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:00:37,316 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 23:00:37,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:00:37 BoogieIcfgContainer [2024-11-08 23:00:37,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:00:37,318 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:00:37,318 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:00:37,331 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:00:37,331 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:00:37" (1/1) ... [2024-11-08 23:00:37,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:00:37,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:37,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2024-11-08 23:00:37,405 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2024-11-08 23:00:37,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:00:37,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:37,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:37,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:00:37,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:37,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2024-11-08 23:00:37,643 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2024-11-08 23:00:37,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:00:37,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:37,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:00:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:37,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:37,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:37,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:00:37,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:37,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 79 transitions. [2024-11-08 23:00:37,995 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2024-11-08 23:00:37,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:00:37,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:37,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:00:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:38,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:00:38,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:38,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:00:38,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:38,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 70 states and 81 transitions. [2024-11-08 23:00:38,298 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2024-11-08 23:00:38,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:00:38,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:38,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:38,591 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:00:38,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:38,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 74 states and 89 transitions. [2024-11-08 23:00:38,904 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 89 transitions. [2024-11-08 23:00:38,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:00:38,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:38,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:00:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:38,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:00:38,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:39,046 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:00:39,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:39,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 78 states and 100 transitions. [2024-11-08 23:00:39,498 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2024-11-08 23:00:39,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:00:39,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:39,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:00:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:00:39,568 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:00:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:00:39,608 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-08 23:00:39,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:00:39 ImpRootNode [2024-11-08 23:00:39,677 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:00:39,677 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:00:39,678 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:00:39,678 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:00:39,679 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:00:37" (3/4) ... [2024-11-08 23:00:39,680 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:00:39,762 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb7f302-fead-466d-9a8b-6a19f0f7ef09/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:00:39,766 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:00:39,767 INFO L158 Benchmark]: Toolchain (without parser) took 3471.06ms. Allocated memory is still 174.1MB. Free memory was 124.7MB in the beginning and 69.1MB in the end (delta: 55.6MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2024-11-08 23:00:39,768 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory was 96.4MB in the beginning and 96.3MB in the end (delta: 16.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:00:39,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.30ms. Allocated memory is still 174.1MB. Free memory was 124.7MB in the beginning and 112.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:00:39,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.12ms. Allocated memory is still 174.1MB. Free memory was 112.1MB in the beginning and 110.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:00:39,771 INFO L158 Benchmark]: Boogie Preprocessor took 26.38ms. Allocated memory is still 174.1MB. Free memory was 110.0MB in the beginning and 109.3MB in the end (delta: 705.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:00:39,771 INFO L158 Benchmark]: RCFGBuilder took 643.88ms. Allocated memory is still 174.1MB. Free memory was 108.6MB in the beginning and 89.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 23:00:39,773 INFO L158 Benchmark]: CodeCheck took 2359.14ms. Allocated memory is still 174.1MB. Free memory was 89.7MB in the beginning and 71.2MB in the end (delta: 18.5MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-11-08 23:00:39,773 INFO L158 Benchmark]: Witness Printer took 89.07ms. Allocated memory is still 174.1MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:00:39,780 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, 65 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 191 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 205 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 201 IncrementalHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 169 mSDtfsCounter, 201 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 538 GetRequests, 506 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 161 SizeOfPredicates, 0 NumberOfNonLiveVariables, 197 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 16/16 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: 40]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int A, B; [L24] int r, d, p, q; [L25] A = __VERIFIER_nondet_int() [L26] B = __VERIFIER_nondet_int() [L27] CALL assume_abort_if_not(B >= 1) [L12] COND FALSE !(!cond) [L27] RET assume_abort_if_not(B >= 1) [L29] r = A [L30] d = B [L31] p = 1 [L32] q = 0 VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L34] COND TRUE 1 VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L35] CALL __VERIFIER_assert(q == 0) [L15] COND FALSE !(!(cond)) [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) [L15] COND FALSE !(!(cond)) [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) [L15] COND FALSE !(!(cond)) [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L40] 2 * d VAL [A=1073741824, B=1073741824, p=1, q=0, r=1073741824] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory was 96.4MB in the beginning and 96.3MB in the end (delta: 16.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.30ms. Allocated memory is still 174.1MB. Free memory was 124.7MB in the beginning and 112.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.12ms. Allocated memory is still 174.1MB. Free memory was 112.1MB in the beginning and 110.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.38ms. Allocated memory is still 174.1MB. Free memory was 110.0MB in the beginning and 109.3MB in the end (delta: 705.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 643.88ms. Allocated memory is still 174.1MB. Free memory was 108.6MB in the beginning and 89.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2359.14ms. Allocated memory is still 174.1MB. Free memory was 89.7MB in the beginning and 71.2MB in the end (delta: 18.5MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Witness Printer took 89.07ms. Allocated memory is still 174.1MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:00:39,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb7f302-fead-466d-9a8b-6a19f0f7ef09/bin/ukojak-verify-ImItNfHLgk/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(OVERFLOW)