./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_1939d2fd-c74e-4a37-80ba-90f2484e05e8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1939d2fd-c74e-4a37-80ba-90f2484e05e8/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1939d2fd-c74e-4a37-80ba-90f2484e05e8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1939d2fd-c74e-4a37-80ba-90f2484e05e8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1939d2fd-c74e-4a37-80ba-90f2484e05e8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1939d2fd-c74e-4a37-80ba-90f2484e05e8/bin/ukojak-verify-afCqCEvfdi --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 aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:13:08,606 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:13:08,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1939d2fd-c74e-4a37-80ba-90f2484e05e8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:13:08,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:13:08,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:13:08,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:13:08,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:13:08,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:13:08,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:13:08,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:13:08,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:13:08,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:13:08,726 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:13:08,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:13:08,728 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:13:08,728 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:13:08,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:13:08,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:13:08,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:13:08,731 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:13:08,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:13:08,733 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:13:08,733 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:13:08,734 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:13:08,735 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:13:08,735 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:13:08,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:08,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:13:08,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:13:08,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:13:08,739 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:13:08,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:13:08,740 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:13:08,741 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_1939d2fd-c74e-4a37-80ba-90f2484e05e8/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1939d2fd-c74e-4a37-80ba-90f2484e05e8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d [2023-11-24 22:13:09,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:13:09,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:13:09,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:13:09,150 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:13:09,151 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:13:09,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1939d2fd-c74e-4a37-80ba-90f2484e05e8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c [2023-11-24 22:13:12,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:13:12,840 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:13:12,840 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1939d2fd-c74e-4a37-80ba-90f2484e05e8/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c [2023-11-24 22:13:12,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1939d2fd-c74e-4a37-80ba-90f2484e05e8/bin/ukojak-verify-afCqCEvfdi/data/47ada7030/22050eda53bd4d5a9b3e97f9936df5cd/FLAG873a2cfb2 [2023-11-24 22:13:12,866 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1939d2fd-c74e-4a37-80ba-90f2484e05e8/bin/ukojak-verify-afCqCEvfdi/data/47ada7030/22050eda53bd4d5a9b3e97f9936df5cd [2023-11-24 22:13:12,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:13:12,871 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:13:12,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:12,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:13:12,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:13:12,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:12" (1/1) ... [2023-11-24 22:13:12,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19714fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:12, skipping insertion in model container [2023-11-24 22:13:12,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:12" (1/1) ... [2023-11-24 22:13:12,907 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:13:13,071 WARN L240 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_1939d2fd-c74e-4a37-80ba-90f2484e05e8/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2023-11-24 22:13:13,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:13,105 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:13:13,120 WARN L240 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_1939d2fd-c74e-4a37-80ba-90f2484e05e8/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2023-11-24 22:13:13,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:13,145 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:13:13,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:13 WrapperNode [2023-11-24 22:13:13,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:13,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:13,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:13:13,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:13:13,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:13" (1/1) ... [2023-11-24 22:13:13,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:13" (1/1) ... [2023-11-24 22:13:13,190 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2023-11-24 22:13:13,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:13,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:13:13,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:13:13,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:13:13,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:13" (1/1) ... [2023-11-24 22:13:13,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:13" (1/1) ... [2023-11-24 22:13:13,206 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:13" (1/1) ... [2023-11-24 22:13:13,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:13" (1/1) ... [2023-11-24 22:13:13,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:13" (1/1) ... [2023-11-24 22:13:13,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:13" (1/1) ... [2023-11-24 22:13:13,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:13" (1/1) ... [2023-11-24 22:13:13,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:13" (1/1) ... [2023-11-24 22:13:13,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:13:13,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:13:13,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:13:13,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:13:13,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:13" (1/1) ... [2023-11-24 22:13:13,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:13,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1939d2fd-c74e-4a37-80ba-90f2484e05e8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:13:13,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1939d2fd-c74e-4a37-80ba-90f2484e05e8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:13:13,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1939d2fd-c74e-4a37-80ba-90f2484e05e8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:13:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:13:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:13:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:13:13,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:13:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:13:13,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:13:13,410 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:13:13,412 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:13:13,603 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:13:13,661 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:13:13,661 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:13:13,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:13 BoogieIcfgContainer [2023-11-24 22:13:13,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:13:13,664 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:13:13,665 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:13:13,676 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:13:13,676 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:13" (1/1) ... [2023-11-24 22:13:13,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:13:13,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:13,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-24 22:13:13,735 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-24 22:13:13,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:13:13,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:13,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:13,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:13:13,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:14,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:14,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-24 22:13:14,018 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-24 22:13:14,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:13:14,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:14,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:14,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:13:14,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:14,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:14,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:14,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-24 22:13:14,304 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-24 22:13:14,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:13:14,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:14,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:14,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:13:14,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:14,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:15,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:15,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-24 22:13:15,148 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-24 22:13:15,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:13:15,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:15,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:15,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:13:15,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:15,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:15,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:15,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2023-11-24 22:13:15,681 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-11-24 22:13:15,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:13:15,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:15,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:15,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:13:15,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:15,909 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:16,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:16,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2023-11-24 22:13:16,652 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2023-11-24 22:13:16,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:13:16,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:16,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:16,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:13:16,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:16,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:17,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:17,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2023-11-24 22:13:17,833 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2023-11-24 22:13:17,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:13:17,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:17,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:17,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:13:17,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:17,922 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:18,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:18,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2023-11-24 22:13:18,292 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2023-11-24 22:13:18,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:13:18,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:18,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:18,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:13:18,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:18,415 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:13:18,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:18,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2023-11-24 22:13:18,528 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2023-11-24 22:13:18,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:13:18,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:18,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:18,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:13:18,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:18,717 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:13:19,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:19,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 46 states and 96 transitions. [2023-11-24 22:13:19,658 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 96 transitions. [2023-11-24 22:13:19,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:13:19,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:19,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:19,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:13:19,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:19,832 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:20,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:20,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 50 states and 112 transitions. [2023-11-24 22:13:20,556 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 112 transitions. [2023-11-24 22:13:20,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:13:20,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:20,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:20,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:13:20,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:20,692 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:13:21,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:21,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 52 states and 113 transitions. [2023-11-24 22:13:21,187 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 113 transitions. [2023-11-24 22:13:21,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:13:21,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:21,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:21,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:13:21,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:21,307 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:13:21,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:21,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 54 states and 114 transitions. [2023-11-24 22:13:21,837 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 114 transitions. [2023-11-24 22:13:21,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:13:21,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:21,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:21,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:13:21,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:21,896 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:22,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:22,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 58 states and 131 transitions. [2023-11-24 22:13:22,857 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 131 transitions. [2023-11-24 22:13:22,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:13:22,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:22,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:22,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:13:22,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:23,188 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:13:25,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:25,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 68 states and 172 transitions. [2023-11-24 22:13:25,727 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 172 transitions. [2023-11-24 22:13:25,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:13:25,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:25,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:25,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:13:25,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:25,848 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:13:26,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:26,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 70 states and 174 transitions. [2023-11-24 22:13:26,439 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 174 transitions. [2023-11-24 22:13:26,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:13:26,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:26,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:26,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:13:26,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:26,671 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:28,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:28,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 74 states and 195 transitions. [2023-11-24 22:13:28,237 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 195 transitions. [2023-11-24 22:13:28,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:13:28,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:28,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:28,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:13:28,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:13:39,047 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-24 22:13:40,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:40,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 78 states and 213 transitions. [2023-11-24 22:13:40,754 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 213 transitions. [2023-11-24 22:13:40,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:13:40,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:40,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:40,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:13:40,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:40,856 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:42,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:42,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 82 states and 234 transitions. [2023-11-24 22:13:42,602 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 234 transitions. [2023-11-24 22:13:42,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:13:42,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:42,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:42,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:13:42,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:42,958 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:13:44,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:44,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 84 states and 235 transitions. [2023-11-24 22:13:44,065 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 235 transitions. [2023-11-24 22:13:44,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:13:44,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:44,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:45,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:13:45,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:45,247 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:13:46,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:46,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 236 transitions. [2023-11-24 22:13:46,405 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 236 transitions. [2023-11-24 22:13:46,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:13:46,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:46,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:46,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:13:46,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:46,903 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:13:48,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:48,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 88 states and 237 transitions. [2023-11-24 22:13:48,218 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 237 transitions. [2023-11-24 22:13:48,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:13:48,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:48,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:48,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:13:48,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:48,324 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:48,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:48,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 88 states and 236 transitions. [2023-11-24 22:13:48,753 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 236 transitions. [2023-11-24 22:13:48,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:13:48,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:48,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:48,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:13:48,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:49,395 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:13:54,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:54,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 98 states and 287 transitions. [2023-11-24 22:13:54,400 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 287 transitions. [2023-11-24 22:13:54,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:13:54,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:54,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:54,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:13:54,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:54,566 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:13:56,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:56,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 102 states and 290 transitions. [2023-11-24 22:13:56,630 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 290 transitions. [2023-11-24 22:13:56,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:13:56,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:56,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:56,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:13:56,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:56,786 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:13:57,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:57,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 104 states and 292 transitions. [2023-11-24 22:13:57,907 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 292 transitions. [2023-11-24 22:13:57,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:13:57,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:57,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:57,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:13:57,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:58,368 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:14:02,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:14:02,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 112 states and 346 transitions. [2023-11-24 22:14:02,749 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 346 transitions. [2023-11-24 22:14:02,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:14:02,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:14:02,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:14:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:14:07,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-24 22:14:07,063 INFO L285 TraceCheckSpWp]: Computing forward predicates...