./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-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_be00023b-74a7-45d2-99de-f6c1c80b3889/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be00023b-74a7-45d2-99de-f6c1c80b3889/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_be00023b-74a7-45d2-99de-f6c1c80b3889/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be00023b-74a7-45d2-99de-f6c1c80b3889/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be00023b-74a7-45d2-99de-f6c1c80b3889/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_be00023b-74a7-45d2-99de-f6c1c80b3889/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 69ffbc0bd4f07a8cc2897410fc013fb815dd984602255263415f4f8a1a4c1714 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:17:12,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:17:12,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be00023b-74a7-45d2-99de-f6c1c80b3889/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:17:12,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:17:12,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:17:12,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:17:12,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:17:12,808 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:17:12,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:17:12,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:17:12,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:17:12,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:17:12,810 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:17:12,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:17:12,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:17:12,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:17:12,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:17:12,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:17:12,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:17:12,811 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:17:12,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:17:12,811 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:17:12,811 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:17:12,811 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:17:12,811 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:17:12,811 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:17:12,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:17:12,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:17:12,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:17:12,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:17:12,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:17:12,812 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:17:12,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:17:12,812 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_be00023b-74a7-45d2-99de-f6c1c80b3889/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 -> 69ffbc0bd4f07a8cc2897410fc013fb815dd984602255263415f4f8a1a4c1714 [2024-11-24 18:17:13,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:17:13,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:17:13,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:17:13,193 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:17:13,193 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:17:13,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be00023b-74a7-45d2-99de-f6c1c80b3889/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c [2024-11-24 18:17:16,246 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be00023b-74a7-45d2-99de-f6c1c80b3889/bin/ukojak-verify-ENZ3QT5qd3/data/969a97b37/a61580fab3634712adccc281db0a5142/FLAG258b79bc6 [2024-11-24 18:17:16,598 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:17:16,599 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be00023b-74a7-45d2-99de-f6c1c80b3889/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c [2024-11-24 18:17:16,632 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be00023b-74a7-45d2-99de-f6c1c80b3889/bin/ukojak-verify-ENZ3QT5qd3/data/969a97b37/a61580fab3634712adccc281db0a5142/FLAG258b79bc6 [2024-11-24 18:17:16,840 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be00023b-74a7-45d2-99de-f6c1c80b3889/bin/ukojak-verify-ENZ3QT5qd3/data/969a97b37/a61580fab3634712adccc281db0a5142 [2024-11-24 18:17:16,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:17:16,846 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:17:16,847 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:17:16,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:17:16,858 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:17:16,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:17:16" (1/1) ... [2024-11-24 18:17:16,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41eb8e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:16, skipping insertion in model container [2024-11-24 18:17:16,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:17:16" (1/1) ... [2024-11-24 18:17:16,878 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:17:17,016 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_be00023b-74a7-45d2-99de-f6c1c80b3889/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c[525,538] [2024-11-24 18:17:17,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:17:17,042 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:17:17,053 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_be00023b-74a7-45d2-99de-f6c1c80b3889/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c[525,538] [2024-11-24 18:17:17,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:17:17,073 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:17:17,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17 WrapperNode [2024-11-24 18:17:17,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:17:17,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:17:17,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:17:17,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:17:17,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,105 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2024-11-24 18:17:17,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:17:17,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:17:17,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:17:17,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:17:17,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,123 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:17:17,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:17:17,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:17:17,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:17:17,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:17:17,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be00023b-74a7-45d2-99de-f6c1c80b3889/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:17:17,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be00023b-74a7-45d2-99de-f6c1c80b3889/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:17:17,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be00023b-74a7-45d2-99de-f6c1c80b3889/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:17:17,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:17:17,212 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 18:17:17,213 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 18:17:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:17:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:17:17,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:17:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-24 18:17:17,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-24 18:17:17,268 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:17:17,270 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:17:17,444 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 18:17:17,444 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:17:17,486 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:17:17,486 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 18:17:17,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:17:17 BoogieIcfgContainer [2024-11-24 18:17:17,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:17:17,492 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:17:17,492 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:17:17,506 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:17:17,506 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:17:17,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:17,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-24 18:17:17,570 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-24 18:17:17,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 18:17:17,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:17,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:17:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:17:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:17,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 18:17:17,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:17,944 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 18:17:18,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:18,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-24 18:17:18,087 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-24 18:17:18,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-24 18:17:18,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:18,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:17:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:18,570 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-24 18:17:19,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:19,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2024-11-24 18:17:19,001 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-11-24 18:17:19,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-24 18:17:19,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:19,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:17:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:17:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:19,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-24 18:17:19,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:19,331 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-24 18:17:20,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:20,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-24 18:17:20,051 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-24 18:17:20,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-24 18:17:20,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:20,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:17:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:17:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:20,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-24 18:17:20,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:21,075 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-24 18:17:24,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:24,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 49 transitions. [2024-11-24 18:17:24,055 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-11-24 18:17:24,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-24 18:17:24,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:24,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:17:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:17:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:24,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-24 18:17:24,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:24,857 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-24 18:17:28,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:28,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 58 transitions. [2024-11-24 18:17:28,790 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 58 transitions. [2024-11-24 18:17:28,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-24 18:17:28,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:28,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:17:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:17:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:28,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-24 18:17:28,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:29,950 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-24 18:17:35,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:35,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 64 transitions. [2024-11-24 18:17:35,327 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2024-11-24 18:17:35,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-24 18:17:35,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:35,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:17:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:17:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:35,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-24 18:17:35,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:49,192 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 32 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-24 18:18:03,351 WARN L286 SmtUtils]: Spent 11.11s on a formula simplification. DAG size of input: 46 DAG size of output: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:18:26,263 WARN L286 SmtUtils]: Spent 10.50s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:19:12,794 WARN L286 SmtUtils]: Spent 38.71s on a formula simplification. DAG size of input: 51 DAG size of output: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:19:33,416 WARN L286 SmtUtils]: Spent 6.68s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:20:00,043 WARN L286 SmtUtils]: Spent 17.27s on a formula simplification. DAG size of input: 69 DAG size of output: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:21:22,555 WARN L286 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:21:36,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-24 18:21:36,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:36,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 74 transitions. [2024-11-24 18:21:36,391 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2024-11-24 18:21:36,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-24 18:21:36,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:36,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:21:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:21:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:36,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-24 18:21:36,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:49,680 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 44 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-24 18:22:14,527 WARN L286 SmtUtils]: Spent 10.08s on a formula simplification. DAG size of input: 44 DAG size of output: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:22:35,261 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (.cse8 (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (.cse1 (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (.cse9 (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1|))) (let ((.cse0 (<= 0 |c_ULTIMATE.start_main_~a~0#1|)) (.cse2 (<= |c_ULTIMATE.start_main_~z~0#1| 10)) (.cse3 (= .cse9 |c_ULTIMATE.start_main_~az~0#1|)) (.cse4 (= (+ .cse7 |c_ULTIMATE.start_main_~a~0#1| .cse8 (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) .cse9 .cse1) |c_ULTIMATE.start_main_~x~0#1|)) (.cse5 (<= 0 |c_ULTIMATE.start_main_~z~0#1|)) (.cse6 (<= |c_ULTIMATE.start_main_~a~0#1| 10))) (and .cse0 (exists ((|v_ULTIMATE.start_main_~y~0#1_29| Int)) (and (= |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |v_ULTIMATE.start_main_~y~0#1_29|)) (= .cse1 (* |v_ULTIMATE.start_main_~y~0#1_29| |c_ULTIMATE.start_main_~az~0#1|)) (<= (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) |v_ULTIMATE.start_main_~y~0#1_29|))) (not (and (= |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) .cse0 .cse2 .cse3 .cse4 .cse5 .cse6)) .cse2 .cse3 .cse4 (not (and (= |c_ULTIMATE.start_main_~x~0#1| (+ .cse7 |c_ULTIMATE.start_main_~a~0#1| .cse8 .cse9 .cse1)) (exists ((|v_ULTIMATE.start_main_~y~0#1_26| Int)) (and (= .cse7 (* |v_ULTIMATE.start_main_~y~0#1_26| |c_ULTIMATE.start_main_~az~0#1|)) (<= (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) |v_ULTIMATE.start_main_~y~0#1_26|) (= |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~z~0#1| |v_ULTIMATE.start_main_~y~0#1_26|)))))) .cse5 .cse6))) is different from false [2024-11-24 18:22:55,735 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse7 (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (.cse8 (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (.cse1 (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (.cse9 (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1|))) (let ((.cse0 (<= 0 |c_ULTIMATE.start_main_~a~0#1|)) (.cse2 (<= |c_ULTIMATE.start_main_~z~0#1| 10)) (.cse3 (= .cse9 |c_ULTIMATE.start_main_~az~0#1|)) (.cse4 (= (+ .cse7 |c_ULTIMATE.start_main_~a~0#1| .cse8 (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) .cse9 .cse1) |c_ULTIMATE.start_main_~x~0#1|)) (.cse5 (<= 0 |c_ULTIMATE.start_main_~z~0#1|)) (.cse6 (<= |c_ULTIMATE.start_main_~a~0#1| 10))) (and .cse0 (exists ((|v_ULTIMATE.start_main_~y~0#1_29| Int)) (and (= |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |v_ULTIMATE.start_main_~y~0#1_29|)) (= .cse1 (* |v_ULTIMATE.start_main_~y~0#1_29| |c_ULTIMATE.start_main_~az~0#1|)) (<= (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) |v_ULTIMATE.start_main_~y~0#1_29|))) (not (and (= |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) .cse0 .cse2 .cse3 .cse4 .cse5 .cse6)) .cse2 .cse3 .cse4 (not (and (= |c_ULTIMATE.start_main_~x~0#1| (+ .cse7 |c_ULTIMATE.start_main_~a~0#1| .cse8 .cse9 .cse1)) (exists ((|v_ULTIMATE.start_main_~y~0#1_26| Int)) (and (= .cse7 (* |v_ULTIMATE.start_main_~y~0#1_26| |c_ULTIMATE.start_main_~az~0#1|)) (<= (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) |v_ULTIMATE.start_main_~y~0#1_26|) (= |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~z~0#1| |v_ULTIMATE.start_main_~y~0#1_26|)))))) .cse5 .cse6)))) is different from true [2024-11-24 18:23:18,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:18,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 45 states and 86 transitions. [2024-11-24 18:23:18,494 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2024-11-24 18:23:18,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-24 18:23:18,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:18,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:23:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:23:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:18,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-11-24 18:23:18,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:19,091 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 44 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-24 18:23:19,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:19,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 45 states and 86 transitions. [2024-11-24 18:23:19,203 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2024-11-24 18:23:19,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-24 18:23:19,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:19,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:23:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:23:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:19,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-11-24 18:23:19,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:19,785 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 44 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-24 18:23:19,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:19,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 45 states and 86 transitions. [2024-11-24 18:23:19,890 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2024-11-24 18:23:19,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-24 18:23:19,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:19,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:23:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:23:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:20,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-11-24 18:23:20,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:20,492 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 44 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-24 18:23:20,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:20,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 45 states and 86 transitions. [2024-11-24 18:23:20,589 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2024-11-24 18:23:20,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-24 18:23:20,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:20,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:23:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:23:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:20,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-24 18:23:20,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:24:28,486 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 44 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-24 18:25:07,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:07,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 81 transitions. [2024-11-24 18:25:07,666 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2024-11-24 18:25:07,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-24 18:25:07,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:07,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:25:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:25:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:07,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-24 18:25:07,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:27:03,575 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 7 proven. 58 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-24 18:28:03,920 WARN L286 SmtUtils]: Spent 14.99s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:28:16,300 WARN L286 SmtUtils]: Spent 7.47s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:28:54,582 WARN L286 SmtUtils]: Spent 22.05s on a formula simplification. DAG size of input: 85 DAG size of output: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:29:44,519 WARN L286 SmtUtils]: Spent 17.77s on a formula simplification that was a NOOP. DAG size: 87 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:32:37,172 WARN L286 SmtUtils]: Spent 10.40s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)