./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_7aa97118-9c46-4583-951e-a58eb69f5650/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa97118-9c46-4583-951e-a58eb69f5650/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa97118-9c46-4583-951e-a58eb69f5650/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa97118-9c46-4583-951e-a58eb69f5650/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa97118-9c46-4583-951e-a58eb69f5650/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa97118-9c46-4583-951e-a58eb69f5650/bin/ukojak-verify-G8NBE6pJGL --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 6c3a02723ba5c1d451bdbd3459a030afd92ce200d85c0df9c54e7e40eb695af7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:34:16,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:34:16,956 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa97118-9c46-4583-951e-a58eb69f5650/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:34:16,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:34:16,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:34:16,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:34:16,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:34:16,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:34:16,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:34:16,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:34:16,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:34:16,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:34:16,994 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:34:16,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:34:16,997 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:34:16,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:34:16,998 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:34:16,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:34:16,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:34:17,000 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:34:17,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:34:17,001 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:34:17,002 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:34:17,002 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:34:17,003 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:34:17,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:34:17,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:34:17,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:34:17,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:34:17,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:34:17,006 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:34:17,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:34:17,008 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:34:17,008 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_7aa97118-9c46-4583-951e-a58eb69f5650/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa97118-9c46-4583-951e-a58eb69f5650/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c3a02723ba5c1d451bdbd3459a030afd92ce200d85c0df9c54e7e40eb695af7 [2023-11-19 02:34:17,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:34:17,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:34:17,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:34:17,322 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:34:17,323 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:34:17,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa97118-9c46-4583-951e-a58eb69f5650/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c [2023-11-19 02:34:20,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:34:21,006 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:34:21,006 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa97118-9c46-4583-951e-a58eb69f5650/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c [2023-11-19 02:34:21,015 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa97118-9c46-4583-951e-a58eb69f5650/bin/ukojak-verify-G8NBE6pJGL/data/115bc8c1a/c3621971231e47fab4495a0dd0a74c24/FLAGa063b8c93 [2023-11-19 02:34:21,032 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa97118-9c46-4583-951e-a58eb69f5650/bin/ukojak-verify-G8NBE6pJGL/data/115bc8c1a/c3621971231e47fab4495a0dd0a74c24 [2023-11-19 02:34:21,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:34:21,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:34:21,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:34:21,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:34:21,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:34:21,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:34:21" (1/1) ... [2023-11-19 02:34:21,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610ecdcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:21, skipping insertion in model container [2023-11-19 02:34:21,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:34:21" (1/1) ... [2023-11-19 02:34:21,076 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:34:21,274 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_7aa97118-9c46-4583-951e-a58eb69f5650/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c[525,538] [2023-11-19 02:34:21,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:34:21,326 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:34:21,341 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_7aa97118-9c46-4583-951e-a58eb69f5650/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c[525,538] [2023-11-19 02:34:21,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:34:21,364 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:34:21,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:21 WrapperNode [2023-11-19 02:34:21,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:34:21,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:34:21,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:34:21,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:34:21,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:21" (1/1) ... [2023-11-19 02:34:21,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:21" (1/1) ... [2023-11-19 02:34:21,404 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2023-11-19 02:34:21,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:34:21,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:34:21,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:34:21,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:34:21,424 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:21" (1/1) ... [2023-11-19 02:34:21,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:21" (1/1) ... [2023-11-19 02:34:21,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:21" (1/1) ... [2023-11-19 02:34:21,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:21" (1/1) ... [2023-11-19 02:34:21,430 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:21" (1/1) ... [2023-11-19 02:34:21,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:21" (1/1) ... [2023-11-19 02:34:21,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:21" (1/1) ... [2023-11-19 02:34:21,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:21" (1/1) ... [2023-11-19 02:34:21,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:34:21,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:34:21,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:34:21,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:34:21,439 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:21" (1/1) ... [2023-11-19 02:34:21,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:34:21,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa97118-9c46-4583-951e-a58eb69f5650/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:34:21,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa97118-9c46-4583-951e-a58eb69f5650/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:34:21,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa97118-9c46-4583-951e-a58eb69f5650/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:34:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:34:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:34:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:34:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:34:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:34:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:34:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:34:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:34:21,599 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:34:21,601 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:34:21,818 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:34:21,881 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:34:21,882 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:34:21,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:34:21 BoogieIcfgContainer [2023-11-19 02:34:21,888 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:34:21,889 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:34:21,890 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:34:21,901 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:34:21,901 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:34:21" (1/1) ... [2023-11-19 02:34:21,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:34:21,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:21,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-11-19 02:34:21,983 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-19 02:34:21,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:34:21,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:21,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:22,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:34:22,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:22,530 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:34:22,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:22,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 32 transitions. [2023-11-19 02:34:22,759 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-11-19 02:34:22,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:34:22,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:22,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:22,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:34:22,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:22,923 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:34:23,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:23,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 38 transitions. [2023-11-19 02:34:23,300 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2023-11-19 02:34:23,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:34:23,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:23,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:23,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 02:34:23,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:23,830 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:34:24,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:24,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 46 transitions. [2023-11-19 02:34:24,609 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-11-19 02:34:24,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:34:24,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:24,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:24,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 02:34:24,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:25,581 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:34:27,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:27,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 54 transitions. [2023-11-19 02:34:27,735 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2023-11-19 02:34:27,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:34:27,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:27,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:27,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-19 02:34:27,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:28,481 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 02:34:39,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:39,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 65 transitions. [2023-11-19 02:34:39,785 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2023-11-19 02:34:39,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:34:39,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:39,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:39,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-19 02:34:39,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:35:00,563 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-19 02:35:18,477 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)