./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53aab01-023c-4b2a-8b21-9568383980b4/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53aab01-023c-4b2a-8b21-9568383980b4/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53aab01-023c-4b2a-8b21-9568383980b4/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53aab01-023c-4b2a-8b21-9568383980b4/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53aab01-023c-4b2a-8b21-9568383980b4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53aab01-023c-4b2a-8b21-9568383980b4/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 879a640f466eee273c1bfb9ec38819f0b05c8e28dd65a68aba774d943b257ad3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:44:07,561 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:44:07,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53aab01-023c-4b2a-8b21-9568383980b4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:44:07,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:44:07,668 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:44:07,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:44:07,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:44:07,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:44:07,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:44:07,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:44:07,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:44:07,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:44:07,706 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:44:07,706 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:44:07,706 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:44:07,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:44:07,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:44:07,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:44:07,708 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:44:07,708 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:44:07,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:44:07,708 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:44:07,708 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:44:07,708 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:44:07,708 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:44:07,709 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:44:07,709 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:44:07,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:44:07,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:44:07,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:44:07,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:44:07,709 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:44:07,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:44:07,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53aab01-023c-4b2a-8b21-9568383980b4/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 879a640f466eee273c1bfb9ec38819f0b05c8e28dd65a68aba774d943b257ad3 [2024-11-25 03:44:08,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:44:08,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:44:08,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:44:08,049 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:44:08,049 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:44:08,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53aab01-023c-4b2a-8b21-9568383980b4/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c [2024-11-25 03:44:10,947 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53aab01-023c-4b2a-8b21-9568383980b4/bin/ukojak-verify-ENZ3QT5qd3/data/d90255222/ac208770529e4556824134f5da41b505/FLAG2437f422e [2024-11-25 03:44:11,257 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:44:11,257 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53aab01-023c-4b2a-8b21-9568383980b4/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c [2024-11-25 03:44:11,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53aab01-023c-4b2a-8b21-9568383980b4/bin/ukojak-verify-ENZ3QT5qd3/data/d90255222/ac208770529e4556824134f5da41b505/FLAG2437f422e [2024-11-25 03:44:11,321 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53aab01-023c-4b2a-8b21-9568383980b4/bin/ukojak-verify-ENZ3QT5qd3/data/d90255222/ac208770529e4556824134f5da41b505 [2024-11-25 03:44:11,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:44:11,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:44:11,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:44:11,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:44:11,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:44:11,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:44:11" (1/1) ... [2024-11-25 03:44:11,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b24210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:44:11, skipping insertion in model container [2024-11-25 03:44:11,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:44:11" (1/1) ... [2024-11-25 03:44:11,363 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:44:11,541 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53aab01-023c-4b2a-8b21-9568383980b4/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c[524,537] [2024-11-25 03:44:11,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:44:11,577 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:44:11,586 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53aab01-023c-4b2a-8b21-9568383980b4/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c[524,537] [2024-11-25 03:44:11,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:44:11,607 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:44:11,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:44:11 WrapperNode [2024-11-25 03:44:11,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:44:11,609 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:44:11,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:44:11,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:44:11,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:44:11" (1/1) ... [2024-11-25 03:44:11,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:44:11" (1/1) ... [2024-11-25 03:44:11,641 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2024-11-25 03:44:11,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:44:11,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:44:11,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:44:11,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:44:11,650 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:44:11" (1/1) ... [2024-11-25 03:44:11,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:44:11" (1/1) ... [2024-11-25 03:44:11,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:44:11" (1/1) ... [2024-11-25 03:44:11,656 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:44:11" (1/1) ... [2024-11-25 03:44:11,659 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:44:11" (1/1) ... [2024-11-25 03:44:11,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:44:11" (1/1) ... [2024-11-25 03:44:11,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:44:11" (1/1) ... [2024-11-25 03:44:11,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:44:11" (1/1) ... [2024-11-25 03:44:11,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:44:11" (1/1) ... [2024-11-25 03:44:11,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:44:11,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:44:11,667 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:44:11,668 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:44:11,668 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:44:11" (1/1) ... [2024-11-25 03:44:11,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:44:11,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53aab01-023c-4b2a-8b21-9568383980b4/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:44:11,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53aab01-023c-4b2a-8b21-9568383980b4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:44:11,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53aab01-023c-4b2a-8b21-9568383980b4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:44:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:44:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:44:11,735 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:44:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:44:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:44:11,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:44:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:44:11,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:44:11,790 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:44:11,792 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:44:11,953 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 03:44:11,953 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:44:12,067 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:44:12,067 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:44:12,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:44:12 BoogieIcfgContainer [2024-11-25 03:44:12,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:44:12,069 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:44:12,069 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:44:12,079 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:44:12,080 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:44:12" (1/1) ... [2024-11-25 03:44:12,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:44:12,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:12,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-25 03:44:12,141 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-25 03:44:12,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 03:44:12,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:12,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:44:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:44:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:12,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 03:44:12,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:12,639 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 03:44:12,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:12,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 32 transitions. [2024-11-25 03:44:12,924 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-25 03:44:12,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 03:44:12,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:12,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:44:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:44:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:12,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 03:44:13,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:13,327 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 03:44:13,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:13,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 44 transitions. [2024-11-25 03:44:13,805 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2024-11-25 03:44:13,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 03:44:13,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:13,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:44:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:44:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:13,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-25 03:44:13,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:15,051 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 03:44:16,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:16,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 51 transitions. [2024-11-25 03:44:16,091 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2024-11-25 03:44:16,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 03:44:16,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:16,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:44:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:44:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:16,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:44:16,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 03:44:16,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:16,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 30 states and 53 transitions. [2024-11-25 03:44:16,572 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-11-25 03:44:16,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:44:16,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:16,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:44:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:44:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:16,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 03:44:16,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:28,810 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 03:44:49,688 WARN L286 SmtUtils]: Spent 10.20s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:45:11,302 WARN L286 SmtUtils]: Spent 10.12s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:45:14,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:45:14,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 32 states and 63 transitions. [2024-11-25 03:45:14,201 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 63 transitions. [2024-11-25 03:45:14,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:45:14,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:45:14,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:45:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:45:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:45:14,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-25 03:45:14,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:45:28,261 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 03:45:56,569 WARN L286 SmtUtils]: Spent 10.85s on a formula simplification that was a NOOP. DAG size: 80 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:45:58,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:45:58,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 37 states and 82 transitions. [2024-11-25 03:45:58,710 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 82 transitions. [2024-11-25 03:45:58,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:45:58,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:45:58,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:45:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:45:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:45:58,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-25 03:45:58,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:46:02,203 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 03:46:04,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:46:04,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 38 states and 84 transitions. [2024-11-25 03:46:04,854 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 84 transitions. [2024-11-25 03:46:04,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 03:46:04,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:46:04,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:46:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:46:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:46:05,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-25 03:46:05,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:46:15,820 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-25 03:46:50,232 WARN L286 SmtUtils]: Spent 22.19s on a formula simplification. DAG size of input: 129 DAG size of output: 99 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:47:14,908 WARN L286 SmtUtils]: Spent 11.27s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:47:23,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-25 03:47:24,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:47:24,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 40 states and 92 transitions. [2024-11-25 03:47:24,425 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 92 transitions. [2024-11-25 03:47:24,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 03:47:24,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:47:24,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:47:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:47:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:47:24,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:47:24,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:48:15,386 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 03:51:36,660 WARN L286 SmtUtils]: Spent 2.43m on a formula simplification. DAG size of input: 52 DAG size of output: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:53:04,054 WARN L286 SmtUtils]: Spent 1.20m on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:53:15,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-25 03:53:17,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-25 03:53:18,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:18,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 42 states and 96 transitions. [2024-11-25 03:53:18,668 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 96 transitions. [2024-11-25 03:53:18,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 03:53:18,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:18,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:53:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:53:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:19,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-25 03:53:19,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:39,605 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-25 03:53:46,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:46,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 43 states and 98 transitions. [2024-11-25 03:53:46,034 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 98 transitions. [2024-11-25 03:53:46,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-25 03:53:46,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:46,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:53:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:53:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:46,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-25 03:53:46,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:16,320 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 03:54:26,911 WARN L286 SmtUtils]: Spent 9.81s on a formula simplification. DAG size of input: 235 DAG size of output: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:55:24,088 WARN L286 SmtUtils]: Spent 34.89s on a formula simplification. DAG size of input: 237 DAG size of output: 109 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:55:53,430 WARN L286 SmtUtils]: Spent 7.89s on a formula simplification that was a NOOP. DAG size: 110 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:56:16,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:16,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 45 states and 103 transitions. [2024-11-25 03:56:16,420 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 103 transitions. [2024-11-25 03:56:16,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-25 03:56:16,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:16,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:56:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:56:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:16,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-25 03:56:17,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:56:53,856 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 03:57:10,878 WARN L286 SmtUtils]: Spent 16.06s on a formula simplification. DAG size of input: 234 DAG size of output: 185 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:57:21,984 WARN L286 SmtUtils]: Spent 9.86s on a formula simplification. DAG size of input: 236 DAG size of output: 230 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:57:34,566 WARN L286 SmtUtils]: Spent 6.19s on a formula simplification that was a NOOP. DAG size: 231 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:57:36,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:36,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 46 states and 105 transitions. [2024-11-25 03:57:36,178 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 105 transitions. [2024-11-25 03:57:36,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 03:57:36,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:36,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:57:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:57:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:36,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-25 03:57:36,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:58:30,346 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-25 03:59:07,459 WARN L286 SmtUtils]: Spent 33.92s on a formula simplification. DAG size of input: 409 DAG size of output: 389 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)