./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_f647b6cc-f1f7-4202-ad34-2ee9dd581416/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f647b6cc-f1f7-4202-ad34-2ee9dd581416/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f647b6cc-f1f7-4202-ad34-2ee9dd581416/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f647b6cc-f1f7-4202-ad34-2ee9dd581416/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f647b6cc-f1f7-4202-ad34-2ee9dd581416/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f647b6cc-f1f7-4202-ad34-2ee9dd581416/bin/ukojak-verify-Qdu7aM0XO9 --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 2b1a58ad3e10b615d95cc8c02ce2afb54c727e6977a5f6eabd49347a082a7a12 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:53:19,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:53:19,909 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f647b6cc-f1f7-4202-ad34-2ee9dd581416/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 02:53:19,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:53:19,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:53:19,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:53:19,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:53:19,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:53:19,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:53:19,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:53:19,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:53:19,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:53:19,943 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:53:19,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:53:19,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:53:19,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:53:19,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:53:19,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:53:19,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:53:19,946 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:53:19,947 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:53:19,949 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:53:19,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:53:19,949 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:53:19,950 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:53:19,950 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:53:19,951 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:53:19,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:53:19,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:53:19,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:53:19,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:53:19,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:53:19,953 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:53:19,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:53:19,954 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:53:19,967 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_f647b6cc-f1f7-4202-ad34-2ee9dd581416/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f647b6cc-f1f7-4202-ad34-2ee9dd581416/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b1a58ad3e10b615d95cc8c02ce2afb54c727e6977a5f6eabd49347a082a7a12 [2023-12-03 02:53:20,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:53:20,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:53:20,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:53:20,236 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:53:20,236 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:53:20,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f647b6cc-f1f7-4202-ad34-2ee9dd581416/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.c [2023-12-03 02:53:22,983 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:53:23,165 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:53:23,165 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f647b6cc-f1f7-4202-ad34-2ee9dd581416/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.c [2023-12-03 02:53:23,173 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f647b6cc-f1f7-4202-ad34-2ee9dd581416/bin/ukojak-verify-Qdu7aM0XO9/data/ee32f7a0b/1bbcc1b0e0494350873596f5930ad289/FLAG8911856ba [2023-12-03 02:53:23,187 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f647b6cc-f1f7-4202-ad34-2ee9dd581416/bin/ukojak-verify-Qdu7aM0XO9/data/ee32f7a0b/1bbcc1b0e0494350873596f5930ad289 [2023-12-03 02:53:23,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:53:23,191 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:53:23,192 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:53:23,192 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:53:23,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:53:23,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:53:23" (1/1) ... [2023-12-03 02:53:23,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300da02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:53:23, skipping insertion in model container [2023-12-03 02:53:23,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:53:23" (1/1) ... [2023-12-03 02:53:23,221 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:53:23,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:53:23,380 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:53:23,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:53:23,418 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:53:23,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:53:23 WrapperNode [2023-12-03 02:53:23,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:53:23,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:53:23,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:53:23,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:53:23,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:53:23" (1/1) ... [2023-12-03 02:53:23,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:53:23" (1/1) ... [2023-12-03 02:53:23,461 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-12-03 02:53:23,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:53:23,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:53:23,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:53:23,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:53:23,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:53:23" (1/1) ... [2023-12-03 02:53:23,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:53:23" (1/1) ... [2023-12-03 02:53:23,472 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:53:23" (1/1) ... [2023-12-03 02:53:23,472 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:53:23" (1/1) ... [2023-12-03 02:53:23,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:53:23" (1/1) ... [2023-12-03 02:53:23,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:53:23" (1/1) ... [2023-12-03 02:53:23,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:53:23" (1/1) ... [2023-12-03 02:53:23,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:53:23" (1/1) ... [2023-12-03 02:53:23,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:53:23,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:53:23,486 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:53:23,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:53:23,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:53:23" (1/1) ... [2023-12-03 02:53:23,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:53:23,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f647b6cc-f1f7-4202-ad34-2ee9dd581416/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:53:23,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f647b6cc-f1f7-4202-ad34-2ee9dd581416/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:53:23,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f647b6cc-f1f7-4202-ad34-2ee9dd581416/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:53:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:53:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:53:23,558 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:53:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:53:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:53:23,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:53:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:53:23,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:53:23,623 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:53:23,625 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:53:23,934 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:53:23,965 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:53:23,965 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:53:23,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:53:23 BoogieIcfgContainer [2023-12-03 02:53:23,967 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:53:23,968 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:53:23,968 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:53:23,978 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:53:23,978 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:53:23" (1/1) ... [2023-12-03 02:53:23,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:53:24,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:24,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 104 states and 112 transitions. [2023-12-03 02:53:24,037 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2023-12-03 02:53:24,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 02:53:24,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:24,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:24,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 02:53:24,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:24,326 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:53:24,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 106 states and 117 transitions. [2023-12-03 02:53:24,473 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2023-12-03 02:53:24,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 02:53:24,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:24,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:24,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:53:24,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:24,651 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:53:25,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:25,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 109 states and 125 transitions. [2023-12-03 02:53:25,005 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2023-12-03 02:53:25,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:53:25,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:25,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:25,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:53:25,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:25,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:53:25,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:25,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 113 states and 134 transitions. [2023-12-03 02:53:25,407 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 134 transitions. [2023-12-03 02:53:25,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:53:25,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:25,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:25,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:53:25,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:25,512 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:53:25,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:25,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 118 states and 144 transitions. [2023-12-03 02:53:25,866 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 144 transitions. [2023-12-03 02:53:25,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 02:53:25,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:25,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:25,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:25,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:25,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:53:26,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:26,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 124 states and 156 transitions. [2023-12-03 02:53:26,544 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 156 transitions. [2023-12-03 02:53:26,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:53:26,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:26,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:26,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:26,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:26,661 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:53:27,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:27,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 131 states and 170 transitions. [2023-12-03 02:53:27,951 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 170 transitions. [2023-12-03 02:53:27,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 02:53:27,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:27,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:27,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 02:53:27,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:28,080 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:53:29,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:29,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 139 states and 186 transitions. [2023-12-03 02:53:29,451 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 186 transitions. [2023-12-03 02:53:29,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 02:53:29,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:29,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:29,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 02:53:29,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:29,574 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:53:29,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:29,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 187 transitions. [2023-12-03 02:53:29,604 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 187 transitions. [2023-12-03 02:53:29,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 02:53:29,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:29,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:29,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:53:29,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:29,699 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:53:29,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:29,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 143 states and 192 transitions. [2023-12-03 02:53:29,829 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 192 transitions. [2023-12-03 02:53:29,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 02:53:29,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:29,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:29,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:53:29,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:29,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:53:30,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:30,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 142 states and 191 transitions. [2023-12-03 02:53:30,114 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2023-12-03 02:53:30,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 02:53:30,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:30,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:30,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:53:30,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:30,505 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:53:33,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:33,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 151 states and 209 transitions. [2023-12-03 02:53:33,524 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 209 transitions. [2023-12-03 02:53:33,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:53:33,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:33,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:33,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:53:33,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:53:33,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:33,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 150 states and 208 transitions. [2023-12-03 02:53:33,668 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2023-12-03 02:53:33,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:53:33,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:33,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:33,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:53:33,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:34,132 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:53:39,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:39,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 161 states and 230 transitions. [2023-12-03 02:53:39,918 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 230 transitions. [2023-12-03 02:53:39,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 02:53:39,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:39,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:39,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:39,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:39,970 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:53:40,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:40,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 164 states and 234 transitions. [2023-12-03 02:53:40,013 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 234 transitions. [2023-12-03 02:53:40,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 02:53:40,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:40,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:40,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:53:40,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:40,091 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:53:40,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:40,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 163 states and 233 transitions. [2023-12-03 02:53:40,201 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 233 transitions. [2023-12-03 02:53:40,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 02:53:40,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:40,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:40,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:40,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:40,246 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:53:40,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:40,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 166 states and 237 transitions. [2023-12-03 02:53:40,550 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 237 transitions. [2023-12-03 02:53:40,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 02:53:40,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:40,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:40,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:53:40,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:40,934 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:53:46,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:46,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 177 states and 259 transitions. [2023-12-03 02:53:46,027 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 259 transitions. [2023-12-03 02:53:46,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:53:46,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:46,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:46,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:53:46,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 02:54:03,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:03,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 182 states and 269 transitions. [2023-12-03 02:54:03,462 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 269 transitions. [2023-12-03 02:54:03,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:54:03,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:03,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:54:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:03,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:03,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:03,510 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:54:03,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:03,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 185 states and 273 transitions. [2023-12-03 02:54:03,552 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 273 transitions. [2023-12-03 02:54:03,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:54:03,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:03,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:54:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:03,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:03,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:04,005 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:54:09,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:09,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 198 states and 300 transitions. [2023-12-03 02:54:09,985 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 300 transitions. [2023-12-03 02:54:09,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:54:09,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:09,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:54:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:10,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:54:10,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:10,219 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:54:15,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:15,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 210 states and 324 transitions. [2023-12-03 02:54:15,133 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 324 transitions. [2023-12-03 02:54:15,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:54:15,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:15,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:54:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:15,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:54:15,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:15,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:54:18,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:18,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 214 states and 331 transitions. [2023-12-03 02:54:18,121 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 331 transitions. [2023-12-03 02:54:18,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 02:54:18,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:18,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:54:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:18,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:54:18,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:19,324 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 02:54:30,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:30,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 213 states and 330 transitions. [2023-12-03 02:54:30,873 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 330 transitions. [2023-12-03 02:54:30,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:54:30,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:30,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:54:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:30,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:30,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:30,918 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:54:31,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:31,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 217 states and 337 transitions. [2023-12-03 02:54:31,672 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 337 transitions. [2023-12-03 02:54:31,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:54:31,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:31,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:54:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:31,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:54:31,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:32,014 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:54:36,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:36,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 230 states and 361 transitions. [2023-12-03 02:54:36,013 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 361 transitions. [2023-12-03 02:54:36,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:54:36,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:36,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:54:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:36,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:54:36,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:36,614 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:54:41,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:41,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 244 states and 386 transitions. [2023-12-03 02:54:41,053 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 386 transitions. [2023-12-03 02:54:41,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:54:41,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:41,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:54:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:41,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:54:41,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:41,171 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:54:45,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:45,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 249 states and 396 transitions. [2023-12-03 02:54:45,677 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 396 transitions. [2023-12-03 02:54:45,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 02:54:45,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:45,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:54:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:45,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:45,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:45,722 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:54:46,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:46,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 253 states and 402 transitions. [2023-12-03 02:54:46,730 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 402 transitions. [2023-12-03 02:54:46,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 02:54:46,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:46,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:54:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:46,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 02:54:46,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:47,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:54:52,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:52,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 268 states and 429 transitions. [2023-12-03 02:54:52,256 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 429 transitions. [2023-12-03 02:54:52,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 02:54:52,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:52,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:54:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:52,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:52,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:53,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:54:58,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:58,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 280 states and 451 transitions. [2023-12-03 02:54:58,873 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 451 transitions. [2023-12-03 02:54:58,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 02:54:58,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:58,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:54:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:58,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:54:58,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:59,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:55:03,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:03,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 286 states and 466 transitions. [2023-12-03 02:55:03,945 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 466 transitions. [2023-12-03 02:55:03,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 02:55:03,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:03,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:03,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:55:03,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:05,307 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:55:08,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:08,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 290 states and 471 transitions. [2023-12-03 02:55:08,133 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 471 transitions. [2023-12-03 02:55:08,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 02:55:08,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:08,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:08,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:08,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:09,716 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:55:14,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:14,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 296 states and 483 transitions. [2023-12-03 02:55:14,729 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 483 transitions. [2023-12-03 02:55:14,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 02:55:14,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:14,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:14,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:14,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:15,764 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:55:24,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:24,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 308 states and 510 transitions. [2023-12-03 02:55:24,067 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 510 transitions. [2023-12-03 02:55:24,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 02:55:24,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:24,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:24,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:55:24,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:25,256 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:55:27,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:27,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 312 states and 515 transitions. [2023-12-03 02:55:27,730 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 515 transitions. [2023-12-03 02:55:27,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 02:55:27,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:27,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:27,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:27,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:28,676 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:55:35,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:35,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 319 states and 533 transitions. [2023-12-03 02:55:35,388 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 533 transitions. [2023-12-03 02:55:35,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 02:55:35,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:35,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:35,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:55:35,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:36,120 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:55:40,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:40,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 325 states and 545 transitions. [2023-12-03 02:55:40,328 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 545 transitions. [2023-12-03 02:55:40,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 02:55:40,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:40,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:40,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:55:40,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:40,504 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:55:41,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:41,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 326 states and 547 transitions. [2023-12-03 02:55:41,488 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 547 transitions. [2023-12-03 02:55:41,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 02:55:41,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:41,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:41,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:55:41,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:42,132 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:55:48,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:48,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 329 states and 552 transitions. [2023-12-03 02:55:48,538 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 552 transitions. [2023-12-03 02:55:48,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 02:55:48,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:48,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:48,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-03 02:55:48,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:49,648 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:55:53,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:53,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 336 states and 564 transitions. [2023-12-03 02:55:53,297 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 564 transitions. [2023-12-03 02:55:53,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:55:53,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:53,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:53,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:55:53,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:53,388 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:55:53,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:53,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 338 states and 567 transitions. [2023-12-03 02:55:53,816 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 567 transitions. [2023-12-03 02:55:53,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:55:53,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:53,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:53,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:55:53,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:54,734 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:56:04,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:04,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 344 states and 590 transitions. [2023-12-03 02:56:04,992 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 590 transitions. [2023-12-03 02:56:04,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:56:04,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:04,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:05,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 02:56:05,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:05,827 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:56:13,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:13,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 350 states and 604 transitions. [2023-12-03 02:56:13,281 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 604 transitions. [2023-12-03 02:56:13,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:56:13,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:13,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:13,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 02:56:13,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:56:15,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:15,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 351 states and 604 transitions. [2023-12-03 02:56:15,151 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 604 transitions. [2023-12-03 02:56:15,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 02:56:15,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:15,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:15,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:56:15,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:15,523 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:56:18,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:18,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 361 states and 618 transitions. [2023-12-03 02:56:18,843 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 618 transitions. [2023-12-03 02:56:18,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 02:56:18,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:18,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:18,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:56:18,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:20,135 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:56:29,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:29,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 369 states and 638 transitions. [2023-12-03 02:56:29,389 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 638 transitions. [2023-12-03 02:56:29,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 02:56:29,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:29,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:29,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:56:29,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:29,540 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:56:30,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:30,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 371 states and 645 transitions. [2023-12-03 02:56:30,084 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 645 transitions. [2023-12-03 02:56:30,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 02:56:30,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:30,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:30,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 02:56:30,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:30,467 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:56:32,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:32,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 374 states and 648 transitions. [2023-12-03 02:56:32,183 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 648 transitions. [2023-12-03 02:56:32,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 02:56:32,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:32,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:32,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-03 02:56:32,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:33,634 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:56:39,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:39,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 379 states and 663 transitions. [2023-12-03 02:56:39,419 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 663 transitions. [2023-12-03 02:56:39,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 02:56:39,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:39,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:39,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-03 02:56:39,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:41,231 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:56:43,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:43,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 389 states and 676 transitions. [2023-12-03 02:56:43,520 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 676 transitions. [2023-12-03 02:56:43,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 02:56:43,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:43,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:43,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 02:56:43,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:44,116 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:56:47,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:47,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 393 states and 689 transitions. [2023-12-03 02:56:47,556 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 689 transitions. [2023-12-03 02:56:47,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 02:56:47,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:47,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:47,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 02:56:47,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:47,693 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:56:48,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:48,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 396 states and 697 transitions. [2023-12-03 02:56:48,908 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 697 transitions. [2023-12-03 02:56:48,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 02:56:48,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:48,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:48,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 02:56:48,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:49,048 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:56:49,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:49,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 397 states and 697 transitions. [2023-12-03 02:56:49,635 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 697 transitions. [2023-12-03 02:56:49,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 02:56:49,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:49,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:49,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 02:56:49,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:50,816 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:56:52,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:52,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 399 states and 699 transitions. [2023-12-03 02:56:52,389 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 699 transitions. [2023-12-03 02:56:52,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 02:56:52,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:52,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:52,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:52,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:52,435 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 02:56:55,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:55,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 410 states and 715 transitions. [2023-12-03 02:56:55,661 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 715 transitions. [2023-12-03 02:56:55,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:56:55,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:55,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:55,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:55,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:56,834 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:56:58,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:58,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 421 states and 728 transitions. [2023-12-03 02:56:58,812 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 728 transitions. [2023-12-03 02:56:58,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:56:58,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:58,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:58,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 02:56:58,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:00,306 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:57:03,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:03,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 427 states and 744 transitions. [2023-12-03 02:57:03,721 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 744 transitions. [2023-12-03 02:57:03,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:57:03,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:03,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:57:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:03,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 02:57:03,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:03,966 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:57:04,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:04,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 428 states and 744 transitions. [2023-12-03 02:57:04,625 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 744 transitions. [2023-12-03 02:57:04,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:57:04,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:04,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:57:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:04,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:57:04,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:07,108 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:57:09,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:09,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 429 states and 745 transitions. [2023-12-03 02:57:09,470 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 745 transitions. [2023-12-03 02:57:09,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:57:09,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:09,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:57:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:09,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:09,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:09,516 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 02:57:12,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:12,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 440 states and 761 transitions. [2023-12-03 02:57:12,931 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 761 transitions. [2023-12-03 02:57:12,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 02:57:12,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:12,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:57:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:12,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:12,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:13,863 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:57:29,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:29,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 452 states and 785 transitions. [2023-12-03 02:57:29,739 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 785 transitions. [2023-12-03 02:57:29,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 02:57:29,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:29,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:57:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:29,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:57:29,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:31,929 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:57:35,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:35,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 457 states and 795 transitions. [2023-12-03 02:57:35,858 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 795 transitions. [2023-12-03 02:57:35,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 02:57:35,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:35,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:57:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:35,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:57:35,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:36,243 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:57:37,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:37,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 458 states and 795 transitions. [2023-12-03 02:57:37,056 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 795 transitions. [2023-12-03 02:57:37,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 02:57:37,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:37,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:57:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:37,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 02:57:37,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:38,636 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:57:51,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:51,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 465 states and 812 transitions. [2023-12-03 02:57:51,662 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 812 transitions. [2023-12-03 02:57:51,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 02:57:51,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:51,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:57:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:51,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:57:51,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:58:14,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:14,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 480 states and 838 transitions. [2023-12-03 02:58:14,081 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 838 transitions. [2023-12-03 02:58:14,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 02:58:14,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:14,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:58:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:14,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 02:58:14,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:15,890 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:58:34,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:34,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 487 states and 856 transitions. [2023-12-03 02:58:34,027 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 856 transitions. [2023-12-03 02:58:34,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 02:58:34,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:34,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:58:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:34,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 02:58:34,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:34,305 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:58:36,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:36,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 491 states and 862 transitions. [2023-12-03 02:58:36,637 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 862 transitions. [2023-12-03 02:58:36,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 02:58:36,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:36,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:58:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:36,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 02:58:36,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:36,919 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:58:37,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:37,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 492 states and 862 transitions. [2023-12-03 02:58:37,682 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 862 transitions. [2023-12-03 02:58:37,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 02:58:37,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:37,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:58:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:37,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:58:37,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:37,735 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:58:45,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:45,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 506 states and 884 transitions. [2023-12-03 02:58:45,441 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 884 transitions. [2023-12-03 02:58:45,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 02:58:45,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:45,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:58:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:45,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:58:45,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:45,480 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:59:13,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:13,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 519 states and 908 transitions. [2023-12-03 02:59:13,616 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 908 transitions. [2023-12-03 02:59:13,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:59:13,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:13,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:13,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:59:13,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:14,231 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:59:18,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:18,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 524 states and 922 transitions. [2023-12-03 02:59:18,844 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 922 transitions. [2023-12-03 02:59:18,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:59:18,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:18,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:18,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:59:18,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:18,900 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:59:22,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:22,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 531 states and 931 transitions. [2023-12-03 02:59:22,929 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 931 transitions. [2023-12-03 02:59:22,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:59:22,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:22,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:22,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:59:22,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:22,985 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:59:27,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:27,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 538 states and 945 transitions. [2023-12-03 02:59:27,620 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 945 transitions. [2023-12-03 02:59:27,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:59:27,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:27,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:27,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:59:27,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:27,669 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:59:30,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:30,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 542 states and 952 transitions. [2023-12-03 02:59:30,474 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 952 transitions. [2023-12-03 02:59:30,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:59:30,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:30,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:30,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:59:30,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:30,525 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:59:31,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:31,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 543 states and 952 transitions. [2023-12-03 02:59:31,845 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 952 transitions. [2023-12-03 02:59:31,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:59:31,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:31,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:31,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:59:31,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:31,889 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:59:40,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:40,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 550 states and 966 transitions. [2023-12-03 02:59:40,312 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 966 transitions. [2023-12-03 02:59:40,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:59:40,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:40,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:40,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 02:59:40,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:41,429 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:59:47,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:47,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 553 states and 988 transitions. [2023-12-03 02:59:47,015 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 988 transitions. [2023-12-03 02:59:47,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:59:47,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:47,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:47,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:59:47,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:47,062 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:59:57,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:57,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 560 states and 1002 transitions. [2023-12-03 02:59:57,465 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1002 transitions. [2023-12-03 02:59:57,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:59:57,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:57,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:57,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:59:57,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:57,517 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:59:58,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:58,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 564 states and 1010 transitions. [2023-12-03 02:59:58,940 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1010 transitions. [2023-12-03 02:59:58,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:59:58,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:58,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:58,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:59:58,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:58,989 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:00:00,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:00,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 565 states and 1010 transitions. [2023-12-03 03:00:00,346 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 1010 transitions. [2023-12-03 03:00:00,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 03:00:00,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:00,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:00,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 03:00:00,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:00,517 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:00:03,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:03,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 568 states and 1020 transitions. [2023-12-03 03:00:03,583 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 1020 transitions. [2023-12-03 03:00:03,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 03:00:03,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:03,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:03,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 03:00:03,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:03,748 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:00:04,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:04,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 571 states and 1028 transitions. [2023-12-03 03:00:04,623 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 1028 transitions. [2023-12-03 03:00:04,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 03:00:04,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:04,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:04,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 03:00:04,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:06,629 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:00:08,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:08,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 573 states and 1031 transitions. [2023-12-03 03:00:08,962 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1031 transitions. [2023-12-03 03:00:08,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 03:00:08,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:08,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:08,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 03:00:08,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:10,500 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:00:11,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:11,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 577 states and 1039 transitions. [2023-12-03 03:00:11,258 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 1039 transitions. [2023-12-03 03:00:11,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 03:00:11,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:11,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:11,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:00:11,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:11,311 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 03:00:11,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:11,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 556 states and 1001 transitions. [2023-12-03 03:00:11,423 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 1001 transitions. [2023-12-03 03:00:11,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 03:00:11,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:11,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:11,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 03:00:11,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:00:16,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:16,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 561 states and 1006 transitions. [2023-12-03 03:00:16,516 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 1006 transitions. [2023-12-03 03:00:16,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:00:16,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:16,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:16,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:00:16,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:18,305 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:00:32,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:32,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 569 states and 1027 transitions. [2023-12-03 03:00:32,102 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 1027 transitions. [2023-12-03 03:00:32,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:00:32,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:32,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:32,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-03 03:00:32,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:34,665 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:01:16,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 03:01:16,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:16,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 576 states and 1044 transitions. [2023-12-03 03:01:16,303 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 1044 transitions. [2023-12-03 03:01:16,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:01:16,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:16,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:16,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-03 03:01:16,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:16,683 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:01:19,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:19,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 580 states and 1051 transitions. [2023-12-03 03:01:19,652 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1051 transitions. [2023-12-03 03:01:19,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:01:19,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:19,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:19,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-03 03:01:19,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:20,086 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:01:20,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:20,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 584 states and 1056 transitions. [2023-12-03 03:01:20,957 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 1056 transitions. [2023-12-03 03:01:20,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:01:20,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:20,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:20,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-03 03:01:20,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:21,346 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:01:22,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:22,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 585 states and 1056 transitions. [2023-12-03 03:01:22,418 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1056 transitions. [2023-12-03 03:01:22,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 03:01:22,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:22,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:22,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 03:01:22,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:23,907 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:01:26,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:26,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 588 states and 1059 transitions. [2023-12-03 03:01:26,722 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 1059 transitions. [2023-12-03 03:01:26,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 03:01:26,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:26,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:26,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:01:26,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:27,539 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:01:44,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:44,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 597 states and 1082 transitions. [2023-12-03 03:01:44,152 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1082 transitions. [2023-12-03 03:01:44,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 03:01:44,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:44,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:44,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:01:44,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:44,224 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:01:51,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:51,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 604 states and 1095 transitions. [2023-12-03 03:01:51,345 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1095 transitions. [2023-12-03 03:01:51,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 03:01:51,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:51,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:51,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:01:51,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:51,400 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:01:52,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:52,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 608 states and 1100 transitions. [2023-12-03 03:01:52,802 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 1100 transitions. [2023-12-03 03:01:52,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 03:01:52,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:52,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:52,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:01:52,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:52,860 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:01:56,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:56,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 612 states and 1107 transitions. [2023-12-03 03:01:56,224 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1107 transitions. [2023-12-03 03:01:56,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 03:01:56,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:56,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:56,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:01:56,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:56,289 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:01:57,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:57,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 613 states and 1107 transitions. [2023-12-03 03:01:57,967 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 1107 transitions. [2023-12-03 03:01:57,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:01:57,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:57,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:57,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 03:01:57,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:59,630 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:02:12,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 617 states and 1118 transitions. [2023-12-03 03:02:12,897 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 1118 transitions. [2023-12-03 03:02:12,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:02:12,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:12,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:02:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:12,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:02:12,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:12,970 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:02:15,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:15,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 620 states and 1126 transitions. [2023-12-03 03:02:15,039 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 1126 transitions. [2023-12-03 03:02:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:02:15,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:15,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:02:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:15,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 03:02:15,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:15,882 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:02:29,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:29,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 624 states and 1138 transitions. [2023-12-03 03:02:29,064 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1138 transitions. [2023-12-03 03:02:29,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:02:29,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:29,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:02:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:29,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 03:02:29,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:29,154 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:02:37,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:37,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 629 states and 1149 transitions. [2023-12-03 03:02:37,468 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 1149 transitions. [2023-12-03 03:02:37,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:02:37,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:37,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:02:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:37,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:02:37,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:37,519 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:02:44,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:44,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 636 states and 1162 transitions. [2023-12-03 03:02:44,620 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1162 transitions. [2023-12-03 03:02:44,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:02:44,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:44,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:02:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:44,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:02:44,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:44,672 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:02:46,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:46,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 640 states and 1167 transitions. [2023-12-03 03:02:46,040 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1167 transitions. [2023-12-03 03:02:46,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:02:46,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:46,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:02:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:46,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:02:46,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:46,088 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:02:49,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:49,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 644 states and 1174 transitions. [2023-12-03 03:02:49,175 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1174 transitions. [2023-12-03 03:02:49,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:02:49,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:49,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:02:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:49,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:02:49,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:02:50,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:50,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 645 states and 1174 transitions. [2023-12-03 03:02:50,872 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1174 transitions. [2023-12-03 03:02:50,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:02:50,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:50,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:02:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:50,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:02:50,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:52,633 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:02:56,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:56,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 650 states and 1183 transitions. [2023-12-03 03:02:56,946 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1183 transitions. [2023-12-03 03:02:56,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:02:56,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:56,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:02:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:56,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:02:56,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:57,439 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:03:17,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:17,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 661 states and 1214 transitions. [2023-12-03 03:03:17,606 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1214 transitions. [2023-12-03 03:03:17,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:03:17,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:17,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:03:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:17,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 03:03:17,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:03:17,715 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:03:31,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:31,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 665 states and 1225 transitions. [2023-12-03 03:03:31,612 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1225 transitions. [2023-12-03 03:03:31,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:03:31,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:31,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:03:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:31,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:03:31,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:03:31,739 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:03:36,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:36,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 669 states and 1236 transitions. [2023-12-03 03:03:36,064 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1236 transitions. [2023-12-03 03:03:36,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:03:36,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:36,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:03:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:36,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:03:36,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:03:37,589 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:03:47,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:47,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 673 states and 1247 transitions. [2023-12-03 03:03:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1247 transitions. [2023-12-03 03:03:47,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:03:47,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:47,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:03:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:47,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:03:47,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:03:47,243 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:03:47,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:47,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 676 states and 1256 transitions. [2023-12-03 03:03:47,309 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1256 transitions. [2023-12-03 03:03:47,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:03:47,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:47,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:03:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:47,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:03:47,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:03:47,804 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:03:53,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:53,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 681 states and 1265 transitions. [2023-12-03 03:03:53,487 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 1265 transitions. [2023-12-03 03:03:53,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:03:53,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:53,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:03:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:53,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 03:03:53,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:03:53,607 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:04:03,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:03,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 687 states and 1276 transitions. [2023-12-03 03:04:03,742 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1276 transitions. [2023-12-03 03:04:03,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:04:03,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:03,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:04:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:03,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:04:03,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:04:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:04:09,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:09,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 689 states and 1278 transitions. [2023-12-03 03:04:09,257 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1278 transitions. [2023-12-03 03:04:09,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:04:09,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:09,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:04:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:09,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:04:09,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:04:09,758 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:04:17,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:17,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 691 states and 1282 transitions. [2023-12-03 03:04:17,286 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1282 transitions. [2023-12-03 03:04:17,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:04:17,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:17,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:04:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:17,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:04:17,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:04:17,415 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:04:29,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:29,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 693 states and 1286 transitions. [2023-12-03 03:04:29,720 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1286 transitions. [2023-12-03 03:04:29,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 03:04:29,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:29,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:04:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:29,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 03:04:29,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:04:31,972 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:04:35,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:35,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 696 states and 1290 transitions. [2023-12-03 03:04:35,800 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1290 transitions. [2023-12-03 03:04:35,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 03:04:35,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:35,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:04:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:35,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:04:35,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:04:39,177 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:05:36,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:36,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 705 states and 1318 transitions. [2023-12-03 03:05:36,293 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1318 transitions. [2023-12-03 03:05:36,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 03:05:36,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:36,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:36,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:05:36,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:05:36,339 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:05:44,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:44,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 709 states and 1328 transitions. [2023-12-03 03:05:44,620 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1328 transitions. [2023-12-03 03:05:44,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 03:05:44,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:44,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:44,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:05:44,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:05:44,666 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:05:55,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:55,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 711 states and 1332 transitions. [2023-12-03 03:05:55,592 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1332 transitions. [2023-12-03 03:05:55,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 03:05:55,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:55,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:55,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:05:55,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:05:55,644 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:06:28,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:28,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 717 states and 1343 transitions. [2023-12-03 03:06:28,760 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1343 transitions. [2023-12-03 03:06:28,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 03:06:28,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:28,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:28,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 03:06:28,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:06:31,248 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:06:48,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:48,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 729 states and 1371 transitions. [2023-12-03 03:06:48,983 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1371 transitions. [2023-12-03 03:06:48,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 03:06:48,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:48,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:49,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:06:49,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:06:51,103 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:07:24,879 WARN L293 SmtUtils]: Spent 30.30s on a formula simplification. DAG size of input: 40 DAG size of output: 39 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 03:07:36,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:07:36,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 733 states and 1380 transitions. [2023-12-03 03:07:36,391 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1380 transitions. [2023-12-03 03:07:36,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 03:07:36,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:07:36,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:07:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:07:36,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 03:07:36,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:07:36,585 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.