./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/sqrt2-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_d30cd215-ef63-4f92-a618-36219f0deadf/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30cd215-ef63-4f92-a618-36219f0deadf/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30cd215-ef63-4f92-a618-36219f0deadf/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30cd215-ef63-4f92-a618-36219f0deadf/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/sqrt2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30cd215-ef63-4f92-a618-36219f0deadf/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30cd215-ef63-4f92-a618-36219f0deadf/bin/ukojak-verify-1t5iHCbJaC --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 f29864c02f98221b6fcd1d486dfbdcb30bbbd96cdca4ed616b67652e37cda5f3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:09:04,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:09:04,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30cd215-ef63-4f92-a618-36219f0deadf/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:09:04,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:09:04,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:09:04,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:09:04,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:09:04,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:09:04,463 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:09:04,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:09:04,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:09:04,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:09:04,469 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:09:04,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:09:04,471 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:09:04,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:09:04,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:09:04,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:09:04,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:09:04,474 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:09:04,474 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:09:04,475 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:09:04,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:09:04,475 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:09:04,476 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:09:04,476 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:09:04,477 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:09:04,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:09:04,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:04,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:09:04,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:09:04,479 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:09:04,479 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:09:04,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:09:04,479 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:09:04,480 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_d30cd215-ef63-4f92-a618-36219f0deadf/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30cd215-ef63-4f92-a618-36219f0deadf/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f29864c02f98221b6fcd1d486dfbdcb30bbbd96cdca4ed616b67652e37cda5f3 [2023-11-23 20:09:04,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:09:04,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:09:04,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:09:04,814 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:09:04,814 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:09:04,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30cd215-ef63-4f92-a618-36219f0deadf/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-nla/sqrt2-both-nt.c [2023-11-23 20:09:07,978 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:09:08,243 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:09:08,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30cd215-ef63-4f92-a618-36219f0deadf/sv-benchmarks/c/termination-nla/sqrt2-both-nt.c [2023-11-23 20:09:08,252 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30cd215-ef63-4f92-a618-36219f0deadf/bin/ukojak-verify-1t5iHCbJaC/data/5e6bbd60b/996d3dbafa3946728b0ad538d383cf9c/FLAG68290c8ef [2023-11-23 20:09:08,270 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30cd215-ef63-4f92-a618-36219f0deadf/bin/ukojak-verify-1t5iHCbJaC/data/5e6bbd60b/996d3dbafa3946728b0ad538d383cf9c [2023-11-23 20:09:08,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:09:08,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:09:08,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:08,284 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:09:08,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:09:08,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:08" (1/1) ... [2023-11-23 20:09:08,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@268f902a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:08, skipping insertion in model container [2023-11-23 20:09:08,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:08" (1/1) ... [2023-11-23 20:09:08,318 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:09:08,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:08,513 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:09:08,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:08,544 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:09:08,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:08 WrapperNode [2023-11-23 20:09:08,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:08,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:08,546 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:09:08,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:09:08,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:08" (1/1) ... [2023-11-23 20:09:08,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:08" (1/1) ... [2023-11-23 20:09:08,578 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2023-11-23 20:09:08,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:08,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:09:08,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:09:08,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:09:08,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:08" (1/1) ... [2023-11-23 20:09:08,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:08" (1/1) ... [2023-11-23 20:09:08,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:08" (1/1) ... [2023-11-23 20:09:08,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:08" (1/1) ... [2023-11-23 20:09:08,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:08" (1/1) ... [2023-11-23 20:09:08,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:08" (1/1) ... [2023-11-23 20:09:08,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:08" (1/1) ... [2023-11-23 20:09:08,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:08" (1/1) ... [2023-11-23 20:09:08,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:09:08,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:09:08,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:09:08,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:09:08,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:08" (1/1) ... [2023-11-23 20:09:08,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:08,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30cd215-ef63-4f92-a618-36219f0deadf/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:09:08,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30cd215-ef63-4f92-a618-36219f0deadf/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:09:08,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30cd215-ef63-4f92-a618-36219f0deadf/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:09:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:09:08,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:09:08,745 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:09:08,748 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:09:08,987 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:09:09,007 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:09:09,008 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:09:09,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:09 BoogieIcfgContainer [2023-11-23 20:09:09,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:09:09,011 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:09:09,011 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:09:09,022 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:09:09,022 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:09" (1/1) ... [2023-11-23 20:09:09,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:09:09,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:09,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2023-11-23 20:09:09,120 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2023-11-23 20:09:09,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-23 20:09:09,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:09,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:09,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:09,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:09,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2023-11-23 20:09:09,259 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2023-11-23 20:09:09,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:09:09,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:09,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:09,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:09:09,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:09,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:09,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:09,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2023-11-23 20:09:09,356 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2023-11-23 20:09:09,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:09:09,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:09,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:09,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:09:09,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:09,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:09,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:09,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 52 states and 55 transitions. [2023-11-23 20:09:09,467 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2023-11-23 20:09:09,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:09:09,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:09,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:09,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:09:09,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:09,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:09,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:09,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 56 states and 61 transitions. [2023-11-23 20:09:09,638 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2023-11-23 20:09:09,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:09:09,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:09,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:09,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:09:09,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:09,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:09,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:09,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 59 states and 65 transitions. [2023-11-23 20:09:09,831 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2023-11-23 20:09:09,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:09:09,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:09,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:09,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:09:09,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:09,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:09,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:09,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 62 states and 69 transitions. [2023-11-23 20:09:09,982 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2023-11-23 20:09:09,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:09:09,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:09,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:09,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:09:09,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:10,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:10,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:10,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 64 states and 73 transitions. [2023-11-23 20:09:10,163 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2023-11-23 20:09:10,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:09:10,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:10,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:10,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:09:10,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:10,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:10,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 67 states and 78 transitions. [2023-11-23 20:09:10,357 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 78 transitions. [2023-11-23 20:09:10,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:09:10,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:10,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:10,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:09:10,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:10,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:10,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:10,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 69 states and 81 transitions. [2023-11-23 20:09:10,792 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2023-11-23 20:09:10,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:09:10,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:10,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:10,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:09:10,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:11,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:11,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:11,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 73 states and 86 transitions. [2023-11-23 20:09:11,291 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2023-11-23 20:09:11,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:09:11,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:11,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:11,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:09:11,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:11,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:11,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:11,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 74 states and 88 transitions. [2023-11-23 20:09:11,546 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 88 transitions. [2023-11-23 20:09:11,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:09:11,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:11,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:11,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:09:11,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:11,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:11,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:11,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 76 states and 91 transitions. [2023-11-23 20:09:11,779 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions. [2023-11-23 20:09:11,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:09:11,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:11,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:11,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:09:11,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:11,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:12,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:12,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2023-11-23 20:09:12,457 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2023-11-23 20:09:12,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:09:12,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:12,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:12,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:09:12,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:12,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:12,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:12,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 103 states and 122 transitions. [2023-11-23 20:09:12,943 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2023-11-23 20:09:12,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:09:12,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:12,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:12,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:09:12,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:13,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:13,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:13,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 105 states and 126 transitions. [2023-11-23 20:09:13,067 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 126 transitions. [2023-11-23 20:09:13,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:09:13,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:13,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:13,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:09:13,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:13,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:13,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:13,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 108 states and 131 transitions. [2023-11-23 20:09:13,246 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 131 transitions. [2023-11-23 20:09:13,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:09:13,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:13,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:13,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:09:13,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:13,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:13,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:13,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 112 states and 138 transitions. [2023-11-23 20:09:13,762 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 138 transitions. [2023-11-23 20:09:13,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:09:13,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:13,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:13,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:09:13,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:13,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:14,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:14,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 118 states and 146 transitions. [2023-11-23 20:09:14,382 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 146 transitions. [2023-11-23 20:09:14,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:09:14,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:14,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:14,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:09:14,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:14,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:15,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:15,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 138 states and 170 transitions. [2023-11-23 20:09:15,643 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 170 transitions. [2023-11-23 20:09:15,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:09:15,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:15,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:09:15,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:09:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:09:15,675 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2023-11-23 20:09:15,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:09:15 ImpRootNode [2023-11-23 20:09:15,702 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:09:15,703 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:09:15,703 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:09:15,703 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:09:15,704 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:09" (3/4) ... [2023-11-23 20:09:15,705 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:09:15,772 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30cd215-ef63-4f92-a618-36219f0deadf/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:09:15,772 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:09:15,773 INFO L158 Benchmark]: Toolchain (without parser) took 7493.78ms. Allocated memory was 125.8MB in the beginning and 186.6MB in the end (delta: 60.8MB). Free memory was 80.9MB in the beginning and 138.5MB in the end (delta: -57.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-11-23 20:09:15,774 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:15,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.78ms. Allocated memory is still 125.8MB. Free memory was 80.9MB in the beginning and 71.2MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:09:15,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.76ms. Allocated memory is still 125.8MB. Free memory was 71.2MB in the beginning and 69.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:09:15,775 INFO L158 Benchmark]: Boogie Preprocessor took 22.67ms. Allocated memory is still 125.8MB. Free memory was 69.5MB in the beginning and 68.6MB in the end (delta: 851.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:15,776 INFO L158 Benchmark]: RCFGBuilder took 407.27ms. Allocated memory is still 125.8MB. Free memory was 68.6MB in the beginning and 56.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:09:15,777 INFO L158 Benchmark]: CodeCheck took 6691.40ms. Allocated memory was 125.8MB in the beginning and 186.6MB in the end (delta: 60.8MB). Free memory was 56.1MB in the beginning and 140.6MB in the end (delta: -84.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:15,778 INFO L158 Benchmark]: Witness Printer took 69.36ms. Allocated memory is still 186.6MB. Free memory was 139.5MB in the beginning and 138.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:15,786 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 1 procedures, 48 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1330 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1225 mSDsluCounter, 166 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128 mSDsCounter, 275 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3233 IncrementalHoareTripleChecker+Invalid, 3508 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 275 mSolverCounterUnsat, 38 mSDtfsCounter, 3233 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1727 GetRequests, 1492 SyntacticMatches, 99 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10879 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 195 ConstructedInterpolants, 0 QuantifiedInterpolants, 1361 SizeOfPredicates, 2 NumberOfNonLiveVariables, 382 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 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: 36]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int s, t, i, j; [L22] i = __VERIFIER_nondet_int() [L23] j = __VERIFIER_nondet_int() [L25] s = 1 [L26] t = 1 VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR 4*s VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t - 4*s VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR 2*t VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t - 4*s + 2*t VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t - 4*s + 2*t + 1 VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t - 4*s + 2*t + 1 + i VAL [i=1, j=2147483647, s=1, t=1] [L28] COND TRUE t*t - 4*s + 2*t + 1 + i >= 0 VAL [i=1, j=2147483647, s=1, t=1] [L34] EXPR t + 2 [L34] t = t + 2 VAL [i=1, j=2147483647, s=1, t=3] [L35] EXPR s + t [L35] s = s + t VAL [i=1, j=2147483647, s=4, t=3] [L36] i + j VAL [i=1, j=2147483647, s=4, t=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.78ms. Allocated memory is still 125.8MB. Free memory was 80.9MB in the beginning and 71.2MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.76ms. Allocated memory is still 125.8MB. Free memory was 71.2MB in the beginning and 69.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.67ms. Allocated memory is still 125.8MB. Free memory was 69.5MB in the beginning and 68.6MB in the end (delta: 851.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 407.27ms. Allocated memory is still 125.8MB. Free memory was 68.6MB in the beginning and 56.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 6691.40ms. Allocated memory was 125.8MB in the beginning and 186.6MB in the end (delta: 60.8MB). Free memory was 56.1MB in the beginning and 140.6MB in the end (delta: -84.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.36ms. Allocated memory is still 186.6MB. Free memory was 139.5MB in the beginning and 138.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:09:15,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30cd215-ef63-4f92-a618-36219f0deadf/bin/ukojak-verify-1t5iHCbJaC/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)