./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_c5a43bdd-f207-4665-8cab-43d90f020eeb/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a43bdd-f207-4665-8cab-43d90f020eeb/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_c5a43bdd-f207-4665-8cab-43d90f020eeb/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a43bdd-f207-4665-8cab-43d90f020eeb/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a43bdd-f207-4665-8cab-43d90f020eeb/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_c5a43bdd-f207-4665-8cab-43d90f020eeb/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 9f971bd1a6fba471cdece6d295ca31488341eb806ea8364f7549d05755c7a031 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:42,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:42,917 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a43bdd-f207-4665-8cab-43d90f020eeb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:58:42,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:58:42,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:58:42,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:42,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:58:42,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:58:42,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:42,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:42,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:42,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:58:42,951 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:58:42,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:58:42,952 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:58:42,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:42,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:58:42,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:42,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:58:42,955 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:58:42,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:58:42,957 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:42,957 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:42,958 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:42,958 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:42,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:42,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:42,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:42,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:42,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:58:42,962 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:58:42,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:58:42,963 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:58:42,964 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_c5a43bdd-f207-4665-8cab-43d90f020eeb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a43bdd-f207-4665-8cab-43d90f020eeb/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f971bd1a6fba471cdece6d295ca31488341eb806ea8364f7549d05755c7a031 [2023-11-24 22:58:43,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:43,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:43,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:43,290 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:43,290 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:43,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a43bdd-f207-4665-8cab-43d90f020eeb/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c [2023-11-24 22:58:46,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:58:46,686 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:58:46,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a43bdd-f207-4665-8cab-43d90f020eeb/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c [2023-11-24 22:58:46,695 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a43bdd-f207-4665-8cab-43d90f020eeb/bin/ukojak-verify-afCqCEvfdi/data/bf88ac59b/09480dfdd6034a0da95232e42c574938/FLAGbc9e4b1e1 [2023-11-24 22:58:46,713 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a43bdd-f207-4665-8cab-43d90f020eeb/bin/ukojak-verify-afCqCEvfdi/data/bf88ac59b/09480dfdd6034a0da95232e42c574938 [2023-11-24 22:58:46,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:58:46,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:58:46,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:46,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:58:46,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:58:46,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:46" (1/1) ... [2023-11-24 22:58:46,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f665c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:46, skipping insertion in model container [2023-11-24 22:58:46,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:46" (1/1) ... [2023-11-24 22:58:46,755 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:46,946 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_c5a43bdd-f207-4665-8cab-43d90f020eeb/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c[526,539] [2023-11-24 22:58:46,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:46,979 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:58:47,002 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_c5a43bdd-f207-4665-8cab-43d90f020eeb/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c[526,539] [2023-11-24 22:58:47,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:47,048 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:58:47,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:47 WrapperNode [2023-11-24 22:58:47,049 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:47,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:47,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:58:47,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:58:47,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:47" (1/1) ... [2023-11-24 22:58:47,071 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:47" (1/1) ... [2023-11-24 22:58:47,094 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 69 [2023-11-24 22:58:47,094 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:47,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:58:47,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:58:47,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:58:47,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:47" (1/1) ... [2023-11-24 22:58:47,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:47" (1/1) ... [2023-11-24 22:58:47,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:47" (1/1) ... [2023-11-24 22:58:47,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:47" (1/1) ... [2023-11-24 22:58:47,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:47" (1/1) ... [2023-11-24 22:58:47,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:47" (1/1) ... [2023-11-24 22:58:47,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:47" (1/1) ... [2023-11-24 22:58:47,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:47" (1/1) ... [2023-11-24 22:58:47,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:58:47,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:58:47,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:58:47,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:58:47,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:47" (1/1) ... [2023-11-24 22:58:47,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:47,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a43bdd-f207-4665-8cab-43d90f020eeb/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:58:47,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a43bdd-f207-4665-8cab-43d90f020eeb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:58:47,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a43bdd-f207-4665-8cab-43d90f020eeb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:58:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:58:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:58:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:58:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:58:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:58:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:58:47,336 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:58:47,339 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:47,646 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:47,690 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:47,691 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:58:47,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:47 BoogieIcfgContainer [2023-11-24 22:58:47,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:47,694 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:47,694 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:47,707 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:47,708 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:47" (1/1) ... [2023-11-24 22:58:47,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:58:47,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:47,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-11-24 22:58:47,804 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-11-24 22:58:47,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:58:47,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:47,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:48,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:58:48,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:48,087 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 22:58:48,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:48,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-24 22:58:48,115 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-24 22:58:48,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:58:48,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:48,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:48,387 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 22:58:48,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:48,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2023-11-24 22:58:48,477 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-11-24 22:58:48,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:58:48,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:48,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:48,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:58:48,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:48,594 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 22:58:48,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:48,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2023-11-24 22:58:48,808 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-24 22:58:48,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:58:48,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:48,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:49,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:49,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:49,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2023-11-24 22:58:49,492 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2023-11-24 22:58:49,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:58:49,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:49,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:49,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:58:49,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:49,853 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 22:58:51,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:51,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2023-11-24 22:58:51,021 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2023-11-24 22:58:51,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:58:51,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:51,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:51,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:58:51,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:51,136 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:58:51,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:51,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 42 states and 71 transitions. [2023-11-24 22:58:51,511 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2023-11-24 22:58:51,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:58:51,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:51,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:51,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:58:51,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:51,694 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:58:53,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:53,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 52 states and 106 transitions. [2023-11-24 22:58:53,149 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2023-11-24 22:58:53,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:58:53,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:53,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:53,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:58:53,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:58:53,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:53,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 54 states and 112 transitions. [2023-11-24 22:58:53,793 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2023-11-24 22:58:53,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:58:53,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:53,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:53,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:58:53,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:53,930 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:58:54,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:54,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 58 states and 123 transitions. [2023-11-24 22:58:54,865 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 123 transitions. [2023-11-24 22:58:54,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:58:54,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:54,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:54,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:58:54,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:54,933 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:58:55,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:55,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 60 states and 124 transitions. [2023-11-24 22:58:55,382 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2023-11-24 22:58:55,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:58:55,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:55,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:55,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:58:55,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:55,612 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:58:57,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:57,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 66 states and 145 transitions. [2023-11-24 22:58:57,468 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 145 transitions. [2023-11-24 22:58:57,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:58:57,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:57,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:57,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:58:57,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:57,638 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:58:58,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:58,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 68 states and 146 transitions. [2023-11-24 22:58:58,290 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 146 transitions. [2023-11-24 22:58:58,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:58:58,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:58,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:58,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:58:58,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:58,419 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:58:58,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:58,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 71 states and 159 transitions. [2023-11-24 22:58:58,696 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 159 transitions. [2023-11-24 22:58:58,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:58:58,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:58,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:58,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:58:58,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:58,847 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-24 22:59:00,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:00,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 76 states and 174 transitions. [2023-11-24 22:59:00,344 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 174 transitions. [2023-11-24 22:59:00,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:59:00,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:00,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:00,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:59:00,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:00,507 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 22:59:01,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:01,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 78 states and 181 transitions. [2023-11-24 22:59:01,106 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 181 transitions. [2023-11-24 22:59:01,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:59:01,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:01,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:01,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:59:01,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:01,408 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-24 22:59:01,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:01,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 78 states and 179 transitions. [2023-11-24 22:59:01,902 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 179 transitions. [2023-11-24 22:59:01,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:59:01,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:01,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:01,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:59:01,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:02,141 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 22:59:04,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:04,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 88 states and 239 transitions. [2023-11-24 22:59:04,480 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 239 transitions. [2023-11-24 22:59:04,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:59:04,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:04,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:04,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:59:04,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:04,597 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 22:59:04,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:04,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 88 states and 238 transitions. [2023-11-24 22:59:04,961 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 238 transitions. [2023-11-24 22:59:04,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:59:04,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:04,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:04,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:59:04,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-24 22:59:06,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:06,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 90 states and 245 transitions. [2023-11-24 22:59:06,054 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 245 transitions. [2023-11-24 22:59:06,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:59:06,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:06,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:06,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:59:06,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:06,258 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-24 22:59:06,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:06,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 92 states and 251 transitions. [2023-11-24 22:59:06,977 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 251 transitions. [2023-11-24 22:59:06,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:59:06,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:06,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:07,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:59:07,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:07,055 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-11-24 22:59:07,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:07,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 94 states and 252 transitions. [2023-11-24 22:59:07,536 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 252 transitions. [2023-11-24 22:59:07,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:59:07,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:07,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:07,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:59:07,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:07,878 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 22:59:10,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:10,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 100 states and 281 transitions. [2023-11-24 22:59:10,693 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 281 transitions. [2023-11-24 22:59:10,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:59:10,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:10,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:10,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:59:10,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:10,889 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 22:59:12,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:12,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 103 states and 284 transitions. [2023-11-24 22:59:12,130 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 284 transitions. [2023-11-24 22:59:12,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:59:12,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:12,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:12,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:59:12,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:12,348 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 22:59:13,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:13,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 105 states and 285 transitions. [2023-11-24 22:59:13,367 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 285 transitions. [2023-11-24 22:59:13,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:59:13,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:13,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:13,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:59:13,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:14,010 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 15 proven. 31 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 22:59:18,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:18,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 117 states and 337 transitions. [2023-11-24 22:59:18,140 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 337 transitions. [2023-11-24 22:59:18,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:59:18,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:18,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:18,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:59:18,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:18,541 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:59:20,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:20,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 122 states and 350 transitions. [2023-11-24 22:59:20,477 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 350 transitions. [2023-11-24 22:59:20,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:59:20,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:20,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:20,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:59:20,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:59:22,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:22,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 126 states and 407 transitions. [2023-11-24 22:59:22,191 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 407 transitions. [2023-11-24 22:59:22,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:59:22,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:22,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:22,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:59:22,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:22,312 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:59:23,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:23,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 129 states and 412 transitions. [2023-11-24 22:59:23,710 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 412 transitions. [2023-11-24 22:59:23,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:59:23,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:23,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:23,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:59:23,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:24,139 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 15 proven. 31 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 22:59:25,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:25,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 132 states and 417 transitions. [2023-11-24 22:59:25,900 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 417 transitions. [2023-11-24 22:59:25,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:59:25,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:25,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:25,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:59:25,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:26,369 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 15 proven. 31 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 22:59:27,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:27,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 132 states and 416 transitions. [2023-11-24 22:59:27,382 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 416 transitions. [2023-11-24 22:59:27,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:59:27,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:27,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:27,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:59:27,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:27,838 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 17 proven. 35 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-24 22:59:29,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:29,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 135 states and 430 transitions. [2023-11-24 22:59:29,544 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 430 transitions. [2023-11-24 22:59:29,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:59:29,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:29,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:29,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:59:29,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:30,003 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-11-24 22:59:31,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:31,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 135 states and 426 transitions. [2023-11-24 22:59:31,125 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 426 transitions. [2023-11-24 22:59:31,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:59:31,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:31,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:31,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:59:31,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:31,509 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-24 22:59:34,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:34,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 141 states and 443 transitions. [2023-11-24 22:59:34,626 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 443 transitions. [2023-11-24 22:59:34,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:59:34,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:34,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:34,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:59:34,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:34,755 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-24 22:59:35,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:35,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 141 states and 442 transitions. [2023-11-24 22:59:35,354 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 442 transitions. [2023-11-24 22:59:35,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:59:35,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:35,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:35,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:59:35,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:35,495 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-24 22:59:36,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:36,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 141 states and 441 transitions. [2023-11-24 22:59:36,269 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 441 transitions. [2023-11-24 22:59:36,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 22:59:36,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:36,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:36,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:59:36,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:36,344 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-24 22:59:37,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:37,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 141 states and 440 transitions. [2023-11-24 22:59:37,047 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 440 transitions. [2023-11-24 22:59:37,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 22:59:37,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:37,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms