./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_f6681bb9-fe79-4c18-b568-62109503ff8c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6681bb9-fe79-4c18-b568-62109503ff8c/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_f6681bb9-fe79-4c18-b568-62109503ff8c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6681bb9-fe79-4c18-b568-62109503ff8c/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6681bb9-fe79-4c18-b568-62109503ff8c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6681bb9-fe79-4c18-b568-62109503ff8c/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 240ff53ce4a5324965a3dcaa21fced56af515b108e64af6d36b0fd1ca1a710eb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:09:57,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:57,300 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6681bb9-fe79-4c18-b568-62109503ff8c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:09:57,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:09:57,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:09:57,352 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:57,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:09:57,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:09:57,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:57,360 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:57,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:57,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:09:57,363 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:09:57,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:09:57,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:09:57,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:57,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:09:57,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:57,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:09:57,368 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:09:57,369 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:09:57,369 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:09:57,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:09:57,371 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:57,372 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:57,372 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:57,373 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:57,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:57,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:57,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:57,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:57,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:09:57,378 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:09:57,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:09:57,378 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:09:57,379 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_f6681bb9-fe79-4c18-b568-62109503ff8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6681bb9-fe79-4c18-b568-62109503ff8c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 240ff53ce4a5324965a3dcaa21fced56af515b108e64af6d36b0fd1ca1a710eb [2023-11-24 23:09:57,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:57,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:57,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:57,816 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:57,817 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:57,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6681bb9-fe79-4c18-b568-62109503ff8c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2023-11-24 23:10:00,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:01,191 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:01,191 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6681bb9-fe79-4c18-b568-62109503ff8c/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2023-11-24 23:10:01,206 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6681bb9-fe79-4c18-b568-62109503ff8c/bin/ukojak-verify-afCqCEvfdi/data/6b2ef7d32/6bd83b6d0fe24535b335b2534198908b/FLAG0be8b20cf [2023-11-24 23:10:01,231 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6681bb9-fe79-4c18-b568-62109503ff8c/bin/ukojak-verify-afCqCEvfdi/data/6b2ef7d32/6bd83b6d0fe24535b335b2534198908b [2023-11-24 23:10:01,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:01,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:01,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:01,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:01,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:01,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:01" (1/1) ... [2023-11-24 23:10:01,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@153f1fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:01, skipping insertion in model container [2023-11-24 23:10:01,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:01" (1/1) ... [2023-11-24 23:10:01,277 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:01,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:01,485 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:01,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:01,544 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:01,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:01 WrapperNode [2023-11-24 23:10:01,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:01,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:01,546 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:01,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:01,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:01" (1/1) ... [2023-11-24 23:10:01,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:01" (1/1) ... [2023-11-24 23:10:01,584 INFO L138 Inliner]: procedures = 14, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2023-11-24 23:10:01,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:01,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:01,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:01,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:01,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:01" (1/1) ... [2023-11-24 23:10:01,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:01" (1/1) ... [2023-11-24 23:10:01,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:01" (1/1) ... [2023-11-24 23:10:01,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:01" (1/1) ... [2023-11-24 23:10:01,602 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:01" (1/1) ... [2023-11-24 23:10:01,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:01" (1/1) ... [2023-11-24 23:10:01,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:01" (1/1) ... [2023-11-24 23:10:01,608 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:01" (1/1) ... [2023-11-24 23:10:01,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:01,610 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:01,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:01,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:01,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:01" (1/1) ... [2023-11-24 23:10:01,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:01,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6681bb9-fe79-4c18-b568-62109503ff8c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:01,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6681bb9-fe79-4c18-b568-62109503ff8c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:01,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6681bb9-fe79-4c18-b568-62109503ff8c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:01,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:01,697 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:10:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:10:01,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:10:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:10:01,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:10:01,785 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:01,788 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:10:02,014 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:10:02,104 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:10:02,107 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:10:02,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:02 BoogieIcfgContainer [2023-11-24 23:10:02,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:10:02,111 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:10:02,111 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:10:02,122 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:10:02,123 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:02" (1/1) ... [2023-11-24 23:10:02,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:10:02,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-11-24 23:10:02,208 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-24 23:10:02,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:10:02,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:02,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:02,650 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:02,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:02,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 29 transitions. [2023-11-24 23:10:02,760 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-11-24 23:10:02,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:10:02,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:02,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:02,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:02,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 30 transitions. [2023-11-24 23:10:02,948 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-11-24 23:10:02,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:10:02,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:02,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:03,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:10:03,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:03,115 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:03,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:03,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 42 transitions. [2023-11-24 23:10:03,271 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2023-11-24 23:10:03,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:10:03,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:03,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:03,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:10:03,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:03,449 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:03,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:03,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 55 transitions. [2023-11-24 23:10:03,900 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2023-11-24 23:10:03,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:10:03,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:03,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:03,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:10:03,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:04,142 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:04,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:04,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 35 states and 46 transitions. [2023-11-24 23:10:04,680 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2023-11-24 23:10:04,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:10:04,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:04,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:04,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:10:04,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:04,845 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:05,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:05,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 58 transitions. [2023-11-24 23:10:05,099 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2023-11-24 23:10:05,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 23:10:05,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:05,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:05,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:10:05,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:05,312 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:05,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:05,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 51 states and 70 transitions. [2023-11-24 23:10:05,568 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2023-11-24 23:10:05,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 23:10:05,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:05,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:05,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:10:05,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:06,071 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:06,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:06,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 59 states and 83 transitions. [2023-11-24 23:10:06,951 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 83 transitions. [2023-11-24 23:10:06,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:10:06,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:06,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:07,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 23:10:07,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:07,243 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 15 proven. 80 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:07,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:07,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 67 states and 95 transitions. [2023-11-24 23:10:07,637 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2023-11-24 23:10:07,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 23:10:07,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:07,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:07,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:10:07,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:07,942 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 18 proven. 120 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:08,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:08,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 75 states and 107 transitions. [2023-11-24 23:10:08,367 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2023-11-24 23:10:08,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-24 23:10:08,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:08,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:08,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:10:08,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:08,702 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 21 proven. 168 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:09,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:09,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 83 states and 119 transitions. [2023-11-24 23:10:09,147 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 119 transitions. [2023-11-24 23:10:09,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-24 23:10:09,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:09,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:09,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:10:09,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:11,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:11,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 91 states and 131 transitions. [2023-11-24 23:10:11,142 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2023-11-24 23:10:11,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-24 23:10:11,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:11,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:11,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 23:10:11,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:11,569 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:12,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:12,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 99 states and 143 transitions. [2023-11-24 23:10:12,285 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 143 transitions. [2023-11-24 23:10:12,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-24 23:10:12,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:12,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:12,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:10:12,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:12,680 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:13,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:13,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 107 states and 155 transitions. [2023-11-24 23:10:13,439 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2023-11-24 23:10:13,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-24 23:10:13,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:13,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:13,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:10:13,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:14,281 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 33 proven. 440 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:15,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:15,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 115 states and 168 transitions. [2023-11-24 23:10:15,295 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2023-11-24 23:10:15,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-24 23:10:15,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:15,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:15,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:10:15,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:15,929 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 564 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:16,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:16,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 123 states and 180 transitions. [2023-11-24 23:10:16,958 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 180 transitions. [2023-11-24 23:10:16,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-24 23:10:16,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:16,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:17,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 23:10:17,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:17,598 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 39 proven. 624 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:18,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:18,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 131 states and 193 transitions. [2023-11-24 23:10:18,346 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 193 transitions. [2023-11-24 23:10:18,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-24 23:10:18,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:18,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:18,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:10:18,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:18,995 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 0 proven. 770 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:20,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:20,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 139 states and 205 transitions. [2023-11-24 23:10:20,049 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 205 transitions. [2023-11-24 23:10:20,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-24 23:10:20,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:20,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:20,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 23:10:20,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:20,589 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 0 proven. 885 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:21,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:21,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 147 states and 217 transitions. [2023-11-24 23:10:21,500 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 217 transitions. [2023-11-24 23:10:21,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-24 23:10:21,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:21,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:21,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-24 23:10:21,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:22,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 48 proven. 960 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:23,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:23,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 155 states and 230 transitions. [2023-11-24 23:10:23,360 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 230 transitions. [2023-11-24 23:10:23,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-24 23:10:23,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:23,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:23,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-24 23:10:23,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:24,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 0 proven. 1139 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:25,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:25,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 163 states and 242 transitions. [2023-11-24 23:10:25,473 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 242 transitions. [2023-11-24 23:10:25,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-24 23:10:25,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:25,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:25,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-24 23:10:25,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:26,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 54 proven. 1224 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:27,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:27,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 171 states and 255 transitions. [2023-11-24 23:10:27,157 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 255 transitions. [2023-11-24 23:10:27,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-24 23:10:27,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:27,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:27,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-24 23:10:27,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:27,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 57 proven. 1368 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:28,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:28,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 179 states and 267 transitions. [2023-11-24 23:10:28,434 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 267 transitions. [2023-11-24 23:10:28,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-24 23:10:28,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:28,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:28,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-24 23:10:28,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:29,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 60 proven. 1520 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:29,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:29,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 187 states and 279 transitions. [2023-11-24 23:10:29,786 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2023-11-24 23:10:29,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-24 23:10:29,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:29,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:29,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-24 23:10:29,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:31,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 0 proven. 1743 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:32,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:32,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 195 states and 291 transitions. [2023-11-24 23:10:32,972 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 291 transitions. [2023-11-24 23:10:32,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-24 23:10:32,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:32,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:33,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-24 23:10:33,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:33,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1926 backedges. 66 proven. 1848 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:34,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:34,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 203 states and 304 transitions. [2023-11-24 23:10:34,950 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 304 transitions. [2023-11-24 23:10:34,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-24 23:10:34,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:34,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:35,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-24 23:10:35,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:36,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2105 backedges. 0 proven. 2093 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:37,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:37,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 211 states and 316 transitions. [2023-11-24 23:10:37,460 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 316 transitions. [2023-11-24 23:10:37,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-24 23:10:37,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:37,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:37,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-24 23:10:37,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:38,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2292 backedges. 0 proven. 2280 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:39,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:39,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 219 states and 328 transitions. [2023-11-24 23:10:39,515 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 328 transitions. [2023-11-24 23:10:39,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-24 23:10:39,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:39,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:39,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-24 23:10:39,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:40,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2487 backedges. 0 proven. 2475 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:41,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:41,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 227 states and 340 transitions. [2023-11-24 23:10:41,666 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 340 transitions. [2023-11-24 23:10:41,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-11-24 23:10:41,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:41,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:41,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-24 23:10:41,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:42,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2690 backedges. 0 proven. 2678 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:43,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:43,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 235 states and 352 transitions. [2023-11-24 23:10:43,849 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 352 transitions. [2023-11-24 23:10:43,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-11-24 23:10:43,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:43,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:44,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-24 23:10:44,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2901 backedges. 81 proven. 2808 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:47,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:47,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 243 states and 365 transitions. [2023-11-24 23:10:47,954 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 365 transitions. [2023-11-24 23:10:47,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-24 23:10:47,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:47,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:48,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-24 23:10:48,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:49,216 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 3108 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.