./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound5.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_f752b1a6-0107-49f9-8535-3b636cf379fa/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f752b1a6-0107-49f9-8535-3b636cf379fa/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_f752b1a6-0107-49f9-8535-3b636cf379fa/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f752b1a6-0107-49f9-8535-3b636cf379fa/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f752b1a6-0107-49f9-8535-3b636cf379fa/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_f752b1a6-0107-49f9-8535-3b636cf379fa/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 ecdd934011f0184386bb9e5e09961f3056f116a23d0d68c545d7785bb46c98e0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:20:31,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:20:31,302 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f752b1a6-0107-49f9-8535-3b636cf379fa/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:20:31,307 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:20:31,308 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:20:31,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:20:31,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:20:31,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:20:31,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:20:31,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:20:31,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:20:31,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:20:31,341 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:20:31,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:20:31,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:20:31,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:20:31,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:20:31,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:20:31,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:20:31,346 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:20:31,346 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:20:31,347 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:20:31,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:20:31,349 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:20:31,349 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:20:31,350 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:20:31,351 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:20:31,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:20:31,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:31,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:20:31,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:20:31,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:20:31,354 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:20:31,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:20:31,355 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:20:31,356 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_f752b1a6-0107-49f9-8535-3b636cf379fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f752b1a6-0107-49f9-8535-3b636cf379fa/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecdd934011f0184386bb9e5e09961f3056f116a23d0d68c545d7785bb46c98e0 [2023-11-23 20:20:31,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:20:31,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:20:31,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:20:31,666 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:20:31,667 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:20:31,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f752b1a6-0107-49f9-8535-3b636cf379fa/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound5.c [2023-11-23 20:20:34,931 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:20:35,198 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:20:35,199 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f752b1a6-0107-49f9-8535-3b636cf379fa/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound5.c [2023-11-23 20:20:35,211 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f752b1a6-0107-49f9-8535-3b636cf379fa/bin/ukojak-verify-1t5iHCbJaC/data/461ceac3f/a7297a9aec164160879a635fb3bcc94a/FLAG82e1a9973 [2023-11-23 20:20:35,240 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f752b1a6-0107-49f9-8535-3b636cf379fa/bin/ukojak-verify-1t5iHCbJaC/data/461ceac3f/a7297a9aec164160879a635fb3bcc94a [2023-11-23 20:20:35,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:20:35,250 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:20:35,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:35,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:20:35,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:20:35,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:35" (1/1) ... [2023-11-23 20:20:35,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2e15a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:35, skipping insertion in model container [2023-11-23 20:20:35,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:35" (1/1) ... [2023-11-23 20:20:35,295 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:20:35,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:35,528 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:20:35,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:35,567 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:20:35,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:35 WrapperNode [2023-11-23 20:20:35,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:35,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:35,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:20:35,570 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:20:35,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:35" (1/1) ... [2023-11-23 20:20:35,585 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:35" (1/1) ... [2023-11-23 20:20:35,609 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2023-11-23 20:20:35,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:35,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:20:35,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:20:35,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:20:35,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:35" (1/1) ... [2023-11-23 20:20:35,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:35" (1/1) ... [2023-11-23 20:20:35,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:35" (1/1) ... [2023-11-23 20:20:35,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:35" (1/1) ... [2023-11-23 20:20:35,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:35" (1/1) ... [2023-11-23 20:20:35,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:35" (1/1) ... [2023-11-23 20:20:35,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:35" (1/1) ... [2023-11-23 20:20:35,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:35" (1/1) ... [2023-11-23 20:20:35,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:20:35,636 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:20:35,636 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:20:35,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:20:35,637 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:35" (1/1) ... [2023-11-23 20:20:35,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:35,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f752b1a6-0107-49f9-8535-3b636cf379fa/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:20:35,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f752b1a6-0107-49f9-8535-3b636cf379fa/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:20:35,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f752b1a6-0107-49f9-8535-3b636cf379fa/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:20:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:20:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:20:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:20:35,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:20:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:20:35,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:20:35,807 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:20:35,810 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:20:36,117 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:20:36,153 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:20:36,153 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:20:36,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:36 BoogieIcfgContainer [2023-11-23 20:20:36,155 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:20:36,156 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:20:36,156 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:20:36,200 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:20:36,200 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:36" (1/1) ... [2023-11-23 20:20:36,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:20:36,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:36,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 74 states and 77 transitions. [2023-11-23 20:20:36,296 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2023-11-23 20:20:36,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-23 20:20:36,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:36,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:36,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:36,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:36,523 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 20:20:36,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:36,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 73 states and 76 transitions. [2023-11-23 20:20:36,708 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2023-11-23 20:20:36,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:20:36,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:36,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:36,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:36,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:36,770 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 20:20:36,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:36,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 72 states and 75 transitions. [2023-11-23 20:20:36,793 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2023-11-23 20:20:36,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:20:36,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:36,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:36,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:20:36,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:36,820 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 20:20:36,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:36,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 72 states and 74 transitions. [2023-11-23 20:20:36,827 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2023-11-23 20:20:36,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:20:36,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:36,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:36,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:36,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:36,919 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 20:20:37,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:37,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 74 states and 77 transitions. [2023-11-23 20:20:37,055 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2023-11-23 20:20:37,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:20:37,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:37,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:37,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:37,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:37,126 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 20:20:37,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:37,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 77 states and 81 transitions. [2023-11-23 20:20:37,390 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-11-23 20:20:37,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:20:37,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:37,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:37,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:37,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:37,440 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 20:20:37,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:37,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 78 states and 82 transitions. [2023-11-23 20:20:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2023-11-23 20:20:37,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:20:37,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:37,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:37,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:37,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:37,609 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 20:20:38,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:38,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 83 states and 89 transitions. [2023-11-23 20:20:38,713 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2023-11-23 20:20:38,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:20:38,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:38,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:38,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:38,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:38,885 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 20:20:40,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:40,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 89 states and 97 transitions. [2023-11-23 20:20:40,783 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2023-11-23 20:20:40,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:20:40,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:40,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:40,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:40,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:41,404 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 20:20:44,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:44,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 96 states and 107 transitions. [2023-11-23 20:20:44,417 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 107 transitions. [2023-11-23 20:20:44,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:20:44,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:44,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:44,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:44,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:45,088 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 20:20:48,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:48,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 104 states and 119 transitions. [2023-11-23 20:20:48,983 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2023-11-23 20:20:48,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:20:48,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:48,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:49,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:49,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:49,146 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 20:20:52,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:52,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 113 states and 133 transitions. [2023-11-23 20:20:52,774 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2023-11-23 20:20:52,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:20:52,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:52,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:52,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:52,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:53,078 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 20:20:57,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:57,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 123 states and 149 transitions. [2023-11-23 20:20:57,155 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 149 transitions. [2023-11-23 20:20:57,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:20:57,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:57,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:57,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:57,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:57,882 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 20:21:04,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:04,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 134 states and 167 transitions. [2023-11-23 20:21:04,959 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 167 transitions. [2023-11-23 20:21:04,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:21:04,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:04,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:05,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:21:05,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:05,621 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 20:21:19,227 WARN L293 SmtUtils]: Spent 11.57s on a formula simplification. DAG size of input: 39 DAG size of output: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)