./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.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_d2e8ca12-7507-41f4-a68b-1b26221dad09/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e8ca12-7507-41f4-a68b-1b26221dad09/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_d2e8ca12-7507-41f4-a68b-1b26221dad09/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e8ca12-7507-41f4-a68b-1b26221dad09/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e8ca12-7507-41f4-a68b-1b26221dad09/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_d2e8ca12-7507-41f4-a68b-1b26221dad09/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 9cf0abd1bd1b4ed3cb492af2ceaa5e063719310ace8aba62ab225fe204180938 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:15:24,440 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:15:24,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e8ca12-7507-41f4-a68b-1b26221dad09/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:15:24,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:15:24,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:15:24,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:15:24,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:15:24,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:15:24,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:15:24,621 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:15:24,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:15:24,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:15:24,623 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:15:24,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:15:24,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:15:24,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:15:24,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:15:24,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:15:24,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:15:24,627 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:15:24,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:15:24,628 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:15:24,629 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:15:24,630 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:15:24,630 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:15:24,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:15:24,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:24,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:15:24,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:15:24,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:15:24,634 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:15:24,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:15:24,635 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:15:24,635 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_d2e8ca12-7507-41f4-a68b-1b26221dad09/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e8ca12-7507-41f4-a68b-1b26221dad09/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cf0abd1bd1b4ed3cb492af2ceaa5e063719310ace8aba62ab225fe204180938 [2023-11-24 22:15:25,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:15:25,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:15:25,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:15:25,077 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:15:25,077 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:15:25,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e8ca12-7507-41f4-a68b-1b26221dad09/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c [2023-11-24 22:15:28,151 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:15:28,426 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:15:28,427 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e8ca12-7507-41f4-a68b-1b26221dad09/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c [2023-11-24 22:15:28,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e8ca12-7507-41f4-a68b-1b26221dad09/bin/ukojak-verify-afCqCEvfdi/data/cce3e1f6c/80adefb9101f43abb8eb85f71e1290d4/FLAG09923f4d9 [2023-11-24 22:15:28,453 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e8ca12-7507-41f4-a68b-1b26221dad09/bin/ukojak-verify-afCqCEvfdi/data/cce3e1f6c/80adefb9101f43abb8eb85f71e1290d4 [2023-11-24 22:15:28,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:15:28,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:15:28,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:28,459 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:15:28,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:15:28,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1afd7b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28, skipping insertion in model container [2023-11-24 22:15:28,468 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,492 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:15:28,664 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_d2e8ca12-7507-41f4-a68b-1b26221dad09/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c[576,589] [2023-11-24 22:15:28,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:28,702 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:15:28,716 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_d2e8ca12-7507-41f4-a68b-1b26221dad09/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c[576,589] [2023-11-24 22:15:28,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:28,741 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:15:28,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28 WrapperNode [2023-11-24 22:15:28,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:28,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:28,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:15:28,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:15:28,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,788 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-11-24 22:15:28,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:28,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:15:28,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:15:28,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:15:28,801 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:15:28,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:15:28,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:15:28,834 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:15:28,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:28,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e8ca12-7507-41f4-a68b-1b26221dad09/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:15:28,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e8ca12-7507-41f4-a68b-1b26221dad09/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:15:28,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e8ca12-7507-41f4-a68b-1b26221dad09/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:15:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:15:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:15:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:15:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:15:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:15:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:15:29,025 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:15:29,028 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:15:29,262 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:15:29,309 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:15:29,309 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:15:29,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:29 BoogieIcfgContainer [2023-11-24 22:15:29,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:15:29,312 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:15:29,312 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:15:29,323 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:15:29,324 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:29" (1/1) ... [2023-11-24 22:15:29,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:15:29,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:29,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-24 22:15:29,398 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-24 22:15:29,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:15:29,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:29,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:29,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:15:29,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:29,603 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 22:15:29,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:29,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-24 22:15:29,624 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-24 22:15:29,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:15:29,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:29,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:29,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:15:29,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:29,749 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 22:15:29,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:29,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-24 22:15:29,847 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-24 22:15:29,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:15:29,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:29,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:29,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 22:15:29,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:30,034 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 22:15:30,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:30,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2023-11-24 22:15:30,381 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2023-11-24 22:15:30,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:15:30,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:30,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:30,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:15:30,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:30,594 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 22:15:31,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:31,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2023-11-24 22:15:31,438 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2023-11-24 22:15:31,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:15:31,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:31,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:31,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:15:31,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:31,544 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 22:15:31,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:31,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2023-11-24 22:15:31,641 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2023-11-24 22:15:31,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:15:31,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:31,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:31,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:15:31,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:31,768 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:15:31,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:31,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 42 states and 78 transitions. [2023-11-24 22:15:31,850 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 78 transitions. [2023-11-24 22:15:31,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:15:31,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:31,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:31,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:15:31,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:32,030 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:15:33,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:33,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 51 states and 112 transitions. [2023-11-24 22:15:33,732 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 112 transitions. [2023-11-24 22:15:33,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:15:33,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:33,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:33,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:15:33,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:33,817 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:15:34,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:34,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 55 states and 122 transitions. [2023-11-24 22:15:34,515 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 122 transitions. [2023-11-24 22:15:34,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:15:34,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:34,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:34,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:15:34,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:34,709 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 22:15:36,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:36,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 62 states and 149 transitions. [2023-11-24 22:15:36,344 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 149 transitions. [2023-11-24 22:15:36,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:15:36,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:36,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:36,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:15:36,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:36,845 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-24 22:15:38,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:38,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 69 states and 176 transitions. [2023-11-24 22:15:38,970 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 176 transitions. [2023-11-24 22:15:38,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:15:38,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:38,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:39,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:15:39,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:39,105 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:15:40,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:40,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 73 states and 183 transitions. [2023-11-24 22:15:40,158 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 183 transitions. [2023-11-24 22:15:40,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:15:40,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:40,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:40,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:15:40,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:40,522 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:15:48,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:48,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 84 states and 245 transitions. [2023-11-24 22:15:48,956 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2023-11-24 22:15:48,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:15:48,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:48,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:48,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:15:48,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:49,019 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:15:49,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:49,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 86 states and 246 transitions. [2023-11-24 22:15:49,701 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 246 transitions. [2023-11-24 22:15:49,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:15:49,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:49,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:49,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:15:49,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:50,551 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 22:16:03,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:03,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 98 states and 289 transitions. [2023-11-24 22:16:03,886 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 289 transitions. [2023-11-24 22:16:03,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:16:03,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:03,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:03,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:16:03,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:04,347 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 22:16:06,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:06,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 100 states and 292 transitions. [2023-11-24 22:16:06,090 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 292 transitions. [2023-11-24 22:16:06,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:16:06,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:06,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:06,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:16:06,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:06,549 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 22:16:07,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:07,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 101 states and 297 transitions. [2023-11-24 22:16:07,117 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 297 transitions. [2023-11-24 22:16:07,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:16:07,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:07,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:07,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:16:07,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:08,138 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 22:16:13,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:13,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 106 states and 323 transitions. [2023-11-24 22:16:13,084 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 323 transitions. [2023-11-24 22:16:13,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:16:13,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:13,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:13,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:16:13,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:13,524 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:16:15,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:15,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 110 states and 327 transitions. [2023-11-24 22:16:15,969 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 327 transitions. [2023-11-24 22:16:15,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 22:16:15,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:15,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:16,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:16:16,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:16,064 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-24 22:16:20,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:20,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 115 states and 340 transitions. [2023-11-24 22:16:20,680 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 340 transitions. [2023-11-24 22:16:20,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:16:20,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:20,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:20,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:16:20,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:21,255 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-24 22:16:25,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:25,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 119 states and 351 transitions. [2023-11-24 22:16:25,409 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 351 transitions. [2023-11-24 22:16:25,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:16:25,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:25,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:25,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:16:25,451 INFO L285 TraceCheckSpWp]: Computing forward predicates...