./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc935901-5974-4102-9f14-a32650d80ce5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc935901-5974-4102-9f14-a32650d80ce5/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_bc935901-5974-4102-9f14-a32650d80ce5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc935901-5974-4102-9f14-a32650d80ce5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc935901-5974-4102-9f14-a32650d80ce5/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_bc935901-5974-4102-9f14-a32650d80ce5/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 aa3033c827040052fc2b3f2ac84da9b892249c5596676af10298d2e88bf55166 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:35:03,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:35:03,276 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc935901-5974-4102-9f14-a32650d80ce5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:35:03,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:35:03,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:35:03,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:35:03,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:35:03,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:35:03,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:35:03,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:35:03,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:35:03,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:35:03,343 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:35:03,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:35:03,346 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:35:03,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:35:03,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:35:03,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:35:03,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:35:03,348 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:35:03,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:35:03,350 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:35:03,350 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:35:03,351 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:35:03,351 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:35:03,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:35:03,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:03,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:35:03,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:35:03,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:35:03,356 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:35:03,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:35:03,357 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:35:03,357 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_bc935901-5974-4102-9f14-a32650d80ce5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc935901-5974-4102-9f14-a32650d80ce5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa3033c827040052fc2b3f2ac84da9b892249c5596676af10298d2e88bf55166 [2023-11-19 03:35:03,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:35:03,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:35:03,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:35:03,776 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:35:03,776 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:35:03,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc935901-5974-4102-9f14-a32650d80ce5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c [2023-11-19 03:35:07,355 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:35:07,630 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:35:07,631 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc935901-5974-4102-9f14-a32650d80ce5/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c [2023-11-19 03:35:07,643 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc935901-5974-4102-9f14-a32650d80ce5/bin/ukojak-verify-G8NBE6pJGL/data/5f9323b7f/e6daf0ef1fbe45f19141ad4eae0b9fa9/FLAG07c802770 [2023-11-19 03:35:07,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc935901-5974-4102-9f14-a32650d80ce5/bin/ukojak-verify-G8NBE6pJGL/data/5f9323b7f/e6daf0ef1fbe45f19141ad4eae0b9fa9 [2023-11-19 03:35:07,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:35:07,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:35:07,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:07,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:35:07,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:35:07,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:07" (1/1) ... [2023-11-19 03:35:07,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b2be452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:07, skipping insertion in model container [2023-11-19 03:35:07,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:07" (1/1) ... [2023-11-19 03:35:07,725 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:35:07,960 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_bc935901-5974-4102-9f14-a32650d80ce5/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c[458,471] [2023-11-19 03:35:08,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:08,019 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:35:08,036 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_bc935901-5974-4102-9f14-a32650d80ce5/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c[458,471] [2023-11-19 03:35:08,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:08,089 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:35:08,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:08 WrapperNode [2023-11-19 03:35:08,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:08,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:08,092 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:35:08,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:35:08,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:08" (1/1) ... [2023-11-19 03:35:08,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:08" (1/1) ... [2023-11-19 03:35:08,143 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2023-11-19 03:35:08,143 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:08,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:35:08,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:35:08,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:35:08,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:08" (1/1) ... [2023-11-19 03:35:08,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:08" (1/1) ... [2023-11-19 03:35:08,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:08" (1/1) ... [2023-11-19 03:35:08,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:08" (1/1) ... [2023-11-19 03:35:08,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:08" (1/1) ... [2023-11-19 03:35:08,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:08" (1/1) ... [2023-11-19 03:35:08,188 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:08" (1/1) ... [2023-11-19 03:35:08,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:08" (1/1) ... [2023-11-19 03:35:08,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:35:08,194 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:35:08,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:35:08,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:35:08,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:08" (1/1) ... [2023-11-19 03:35:08,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:08,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc935901-5974-4102-9f14-a32650d80ce5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:35:08,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc935901-5974-4102-9f14-a32650d80ce5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:35:08,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc935901-5974-4102-9f14-a32650d80ce5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:35:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:35:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:35:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:35:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:35:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:35:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:35:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:35:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:35:08,360 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:35:08,363 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:35:08,508 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:35:08,533 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:35:08,533 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:35:08,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:08 BoogieIcfgContainer [2023-11-19 03:35:08,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:35:08,539 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:35:08,539 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:35:08,550 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:35:08,550 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:08" (1/1) ... [2023-11-19 03:35:08,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:35:08,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:08,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-19 03:35:08,615 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-19 03:35:08,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:35:08,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:08,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:08,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:35:08,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:08,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:35:08,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:08,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-19 03:35:08,871 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-19 03:35:08,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:35:08,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:08,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:09,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:35:09,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:09,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:35:09,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:09,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2023-11-19 03:35:09,278 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2023-11-19 03:35:09,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:35:09,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:09,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:09,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:35:09,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:09,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:35:09,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:09,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2023-11-19 03:35:09,441 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2023-11-19 03:35:09,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:35:09,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:09,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:09,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:35:09,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:09,575 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:35:09,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:09,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2023-11-19 03:35:09,689 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2023-11-19 03:35:09,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:35:09,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:09,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:09,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:35:09,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:09,779 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:35:09,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:09,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2023-11-19 03:35:09,831 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2023-11-19 03:35:09,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:35:09,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:09,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:09,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:35:09,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:10,147 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:35:10,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:10,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2023-11-19 03:35:10,560 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2023-11-19 03:35:10,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:35:10,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:10,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:10,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:35:10,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:10,746 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:35:11,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:11,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2023-11-19 03:35:11,133 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2023-11-19 03:35:11,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:35:11,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:11,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:11,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:35:11,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:11,378 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:35:12,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:12,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2023-11-19 03:35:12,199 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-11-19 03:35:12,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:35:12,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:12,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:12,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:35:12,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:12,631 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:35:26,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 14.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-19 03:35:27,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:27,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2023-11-19 03:35:27,179 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2023-11-19 03:35:27,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:35:27,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:27,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:27,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:35:27,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:35:28,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:28,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 89 transitions. [2023-11-19 03:35:28,622 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2023-11-19 03:35:28,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:35:28,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:28,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:29,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:35:29,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:29,538 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 16 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:35:30,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:30,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2023-11-19 03:35:30,332 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2023-11-19 03:35:30,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:35:30,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:30,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:30,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:35:30,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:30,686 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:35:32,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:32,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 63 states and 110 transitions. [2023-11-19 03:35:32,049 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 110 transitions. [2023-11-19 03:35:32,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:35:32,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:32,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:32,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 03:35:32,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:32,601 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 17 proven. 51 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:35:33,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:33,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 68 states and 118 transitions. [2023-11-19 03:35:33,567 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 118 transitions. [2023-11-19 03:35:33,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:35:33,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:33,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:33,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 03:35:33,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:33,991 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 11 proven. 46 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-19 03:35:35,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:35,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 76 states and 134 transitions. [2023-11-19 03:35:35,575 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 134 transitions. [2023-11-19 03:35:35,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:35:35,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:35,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:35,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 03:35:35,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:35,835 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 26 proven. 58 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-19 03:35:36,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:36,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 79 states and 139 transitions. [2023-11-19 03:35:36,578 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 139 transitions. [2023-11-19 03:35:36,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:35:36,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:36,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:36,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:35:36,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:37,012 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 14 proven. 45 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-11-19 03:35:38,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:38,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 87 states and 155 transitions. [2023-11-19 03:35:38,784 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 155 transitions. [2023-11-19 03:35:38,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:35:38,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:38,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:39,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 03:35:39,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 27 proven. 94 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:35:40,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:40,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 90 states and 160 transitions. [2023-11-19 03:35:40,905 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2023-11-19 03:35:40,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:35:40,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:40,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:40,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 03:35:40,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:41,418 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 16 proven. 63 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-19 03:35:43,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:43,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 98 states and 176 transitions. [2023-11-19 03:35:43,383 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 176 transitions. [2023-11-19 03:35:43,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:35:43,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:43,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:44,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:35:44,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:44,299 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 36 proven. 101 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-19 03:35:45,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:45,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 101 states and 181 transitions. [2023-11-19 03:35:45,343 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 181 transitions. [2023-11-19 03:35:45,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:35:45,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:45,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:45,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 70 conjunts are in the unsatisfiable core [2023-11-19 03:35:45,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 39 proven. 117 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-19 03:35:48,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:48,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 109 states and 197 transitions. [2023-11-19 03:35:48,911 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 197 transitions. [2023-11-19 03:35:48,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:35:48,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:48,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:50,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-19 03:35:50,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:50,473 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 63 proven. 135 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-19 03:35:51,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:51,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 112 states and 202 transitions. [2023-11-19 03:35:51,493 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 202 transitions. [2023-11-19 03:35:51,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 03:35:51,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:51,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:51,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 03:35:51,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:52,148 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 20 proven. 108 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-19 03:35:54,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:54,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 120 states and 218 transitions. [2023-11-19 03:35:54,630 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 218 transitions. [2023-11-19 03:35:54,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 03:35:54,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:54,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:54,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 03:35:54,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:55,066 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 66 proven. 157 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-19 03:35:56,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:56,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 123 states and 223 transitions. [2023-11-19 03:35:56,288 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 223 transitions. [2023-11-19 03:35:56,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 03:35:56,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:56,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:56,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-19 03:35:56,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:56,880 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 22 proven. 135 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2023-11-19 03:35:59,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:59,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 131 states and 239 transitions. [2023-11-19 03:35:59,449 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 239 transitions. [2023-11-19 03:35:59,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 03:35:59,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:59,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:59,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 03:35:59,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:59,869 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 74 proven. 189 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-19 03:36:01,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:01,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 134 states and 244 transitions. [2023-11-19 03:36:01,082 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 244 transitions. [2023-11-19 03:36:01,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-19 03:36:01,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:01,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:01,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-19 03:36:01,192 INFO L285 TraceCheckSpWp]: Computing forward predicates...