./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64160f6b-75c8-4ccb-a017-b8725c238f6f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64160f6b-75c8-4ccb-a017-b8725c238f6f/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_64160f6b-75c8-4ccb-a017-b8725c238f6f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64160f6b-75c8-4ccb-a017-b8725c238f6f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64160f6b-75c8-4ccb-a017-b8725c238f6f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64160f6b-75c8-4ccb-a017-b8725c238f6f/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 912c617f4562719e6a92adb1d6dcd39c1383cb1ed11c1257bbef9742a710d541 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:52:23,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:52:23,083 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64160f6b-75c8-4ccb-a017-b8725c238f6f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:52:23,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:52:23,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:52:23,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:52:23,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:52:23,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:52:23,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:52:23,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:52:23,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:52:23,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:52:23,114 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:52:23,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:52:23,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:52:23,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:52:23,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:52:23,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:52:23,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:52:23,117 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:52:23,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:52:23,119 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:52:23,119 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:52:23,120 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:52:23,120 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:52:23,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:52:23,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:52:23,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:52:23,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:52:23,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:52:23,123 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:52:23,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:52:23,123 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:52:23,124 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_64160f6b-75c8-4ccb-a017-b8725c238f6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64160f6b-75c8-4ccb-a017-b8725c238f6f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 912c617f4562719e6a92adb1d6dcd39c1383cb1ed11c1257bbef9742a710d541 [2023-12-03 01:52:23,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:52:23,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:52:23,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:52:23,348 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:52:23,348 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:52:23,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64160f6b-75c8-4ccb-a017-b8725c238f6f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c [2023-12-03 01:52:26,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:52:26,208 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:52:26,209 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64160f6b-75c8-4ccb-a017-b8725c238f6f/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c [2023-12-03 01:52:26,214 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64160f6b-75c8-4ccb-a017-b8725c238f6f/bin/ukojak-verify-Qdu7aM0XO9/data/4f8a3ea50/c25117236b5a447f83915baea00af85e/FLAG6bae04945 [2023-12-03 01:52:26,226 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64160f6b-75c8-4ccb-a017-b8725c238f6f/bin/ukojak-verify-Qdu7aM0XO9/data/4f8a3ea50/c25117236b5a447f83915baea00af85e [2023-12-03 01:52:26,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:52:26,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:52:26,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:52:26,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:52:26,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:52:26,235 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:52:26" (1/1) ... [2023-12-03 01:52:26,236 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f00d25a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:26, skipping insertion in model container [2023-12-03 01:52:26,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:52:26" (1/1) ... [2023-12-03 01:52:26,253 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:52:26,368 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64160f6b-75c8-4ccb-a017-b8725c238f6f/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c[458,471] [2023-12-03 01:52:26,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:52:26,390 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:52:26,399 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64160f6b-75c8-4ccb-a017-b8725c238f6f/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c[458,471] [2023-12-03 01:52:26,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:52:26,418 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:52:26,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:26 WrapperNode [2023-12-03 01:52:26,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:52:26,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:52:26,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:52:26,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:52:26,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:26" (1/1) ... [2023-12-03 01:52:26,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:26" (1/1) ... [2023-12-03 01:52:26,444 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2023-12-03 01:52:26,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:52:26,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:52:26,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:52:26,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:52:26,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:26" (1/1) ... [2023-12-03 01:52:26,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:26" (1/1) ... [2023-12-03 01:52:26,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:26" (1/1) ... [2023-12-03 01:52:26,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:26" (1/1) ... [2023-12-03 01:52:26,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:26" (1/1) ... [2023-12-03 01:52:26,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:26" (1/1) ... [2023-12-03 01:52:26,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:26" (1/1) ... [2023-12-03 01:52:26,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:26" (1/1) ... [2023-12-03 01:52:26,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:52:26,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:52:26,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:52:26,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:52:26,465 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:26" (1/1) ... [2023-12-03 01:52:26,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:52:26,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64160f6b-75c8-4ccb-a017-b8725c238f6f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:52:26,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64160f6b-75c8-4ccb-a017-b8725c238f6f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:52:26,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64160f6b-75c8-4ccb-a017-b8725c238f6f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:52:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:52:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:52:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:52:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:52:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:52:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:52:26,603 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:52:26,606 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:52:26,715 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:52:26,737 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:52:26,737 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:52:26,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:52:26 BoogieIcfgContainer [2023-12-03 01:52:26,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:52:26,740 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:52:26,740 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:52:26,751 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:52:26,751 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:52:26" (1/1) ... [2023-12-03 01:52:26,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:52:26,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:26,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-12-03 01:52:26,814 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-12-03 01:52:26,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 01:52:26,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:26,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:26,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:52:26,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:26,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:26,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:26,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-12-03 01:52:26,992 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-12-03 01:52:26,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:52:26,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:26,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:27,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:52:27,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:27,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:27,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:27,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-12-03 01:52:27,131 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-12-03 01:52:27,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:52:27,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:27,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:27,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:52:27,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:27,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:27,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:27,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-12-03 01:52:27,467 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-12-03 01:52:27,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:52:27,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:27,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:27,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:52:27,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:27,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:27,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:27,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-12-03 01:52:27,904 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-12-03 01:52:27,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 01:52:27,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:27,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:27,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:52:27,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:28,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:28,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2023-12-03 01:52:28,781 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-12-03 01:52:28,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 01:52:28,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:28,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:28,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 01:52:28,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:28,886 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:29,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:29,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2023-12-03 01:52:29,455 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2023-12-03 01:52:29,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 01:52:29,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:29,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:29,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 01:52:29,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:29,524 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:29,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:29,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2023-12-03 01:52:29,827 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2023-12-03 01:52:29,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:52:29,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:29,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:29,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 01:52:29,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:29,967 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:52:30,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:30,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2023-12-03 01:52:30,706 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2023-12-03 01:52:30,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:52:30,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:30,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:30,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:52:30,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:30,847 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:32,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:32,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 51 states and 104 transitions. [2023-12-03 01:52:32,059 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 104 transitions. [2023-12-03 01:52:32,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:52:32,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:32,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:32,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 01:52:32,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:32,149 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:52:32,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:32,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 54 states and 107 transitions. [2023-12-03 01:52:32,775 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 107 transitions. [2023-12-03 01:52:32,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:52:32,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:32,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:32,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 01:52:32,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:32,864 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:52:33,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:33,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 108 transitions. [2023-12-03 01:52:33,278 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 108 transitions. [2023-12-03 01:52:33,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:52:33,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:33,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:33,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:52:33,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:33,339 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:33,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:33,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2023-12-03 01:52:33,518 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2023-12-03 01:52:33,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:52:33,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:33,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:33,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 01:52:33,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:52:34,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:34,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 60 states and 120 transitions. [2023-12-03 01:52:34,671 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 120 transitions. [2023-12-03 01:52:34,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:52:34,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:34,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:34,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 01:52:34,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:34,771 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:52:35,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:35,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 63 states and 124 transitions. [2023-12-03 01:52:35,566 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 124 transitions. [2023-12-03 01:52:35,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:52:35,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:35,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:35,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 01:52:35,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:35,654 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:52:36,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:36,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 65 states and 125 transitions. [2023-12-03 01:52:36,133 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 125 transitions. [2023-12-03 01:52:36,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:52:36,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:36,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:36,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:52:36,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:36,328 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:37,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:37,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 73 states and 156 transitions. [2023-12-03 01:52:37,926 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 156 transitions. [2023-12-03 01:52:37,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:52:37,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:37,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:37,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 01:52:37,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:38,018 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:52:38,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:38,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 76 states and 159 transitions. [2023-12-03 01:52:38,807 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 159 transitions. [2023-12-03 01:52:38,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:52:38,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:38,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:38,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:52:38,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:38,865 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:39,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:39,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 76 states and 158 transitions. [2023-12-03 01:52:39,088 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 158 transitions. [2023-12-03 01:52:39,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:52:39,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:39,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:39,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:52:39,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:39,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:39,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 76 states and 157 transitions. [2023-12-03 01:52:39,358 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 157 transitions. [2023-12-03 01:52:39,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:52:39,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:39,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:39,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:52:39,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:39,558 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:41,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:41,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2023-12-03 01:52:41,471 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2023-12-03 01:52:41,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:52:41,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:41,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:41,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-03 01:52:41,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:41,671 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 01:52:43,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:43,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2023-12-03 01:52:43,116 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2023-12-03 01:52:43,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:52:43,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:43,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:43,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:52:43,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:43,190 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:43,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:43,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 88 states and 208 transitions. [2023-12-03 01:52:43,472 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 208 transitions. [2023-12-03 01:52:43,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:52:43,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:43,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:43,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-03 01:52:43,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:43,584 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 01:52:44,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:44,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 91 states and 211 transitions. [2023-12-03 01:52:44,521 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 211 transitions. [2023-12-03 01:52:44,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:52:44,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:44,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:44,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:52:44,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:44,592 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:44,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:44,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 91 states and 210 transitions. [2023-12-03 01:52:44,969 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 210 transitions. [2023-12-03 01:52:44,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:52:44,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:44,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:45,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-03 01:52:45,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:45,088 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 01:52:46,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:46,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 94 states and 214 transitions. [2023-12-03 01:52:46,480 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 214 transitions. [2023-12-03 01:52:46,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:52:46,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:46,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:46,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-03 01:52:46,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:46,585 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 01:52:47,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:47,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 96 states and 215 transitions. [2023-12-03 01:52:47,341 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 215 transitions. [2023-12-03 01:52:47,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:52:47,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:47,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:47,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:52:47,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:47,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:47,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 96 states and 214 transitions. [2023-12-03 01:52:47,795 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 214 transitions. [2023-12-03 01:52:47,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:52:47,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:47,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:47,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-03 01:52:47,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:47,906 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 01:52:48,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:48,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 99 states and 217 transitions. [2023-12-03 01:52:48,962 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 217 transitions. [2023-12-03 01:52:48,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:52:48,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:48,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:48,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:52:48,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:49,226 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:51,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:51,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 107 states and 255 transitions. [2023-12-03 01:52:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 255 transitions. [2023-12-03 01:52:51,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:52:51,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:51,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:52,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 01:52:52,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:52,243 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 01:52:54,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:54,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 111 states and 278 transitions. [2023-12-03 01:52:54,404 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 278 transitions. [2023-12-03 01:52:54,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:52:54,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:54,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:54,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:52:54,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:54,474 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:54,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:54,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 111 states and 277 transitions. [2023-12-03 01:52:54,859 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 277 transitions. [2023-12-03 01:52:54,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:52:54,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:54,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:54,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-03 01:52:54,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:54,982 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 17 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 01:52:55,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:55,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 113 states and 278 transitions. [2023-12-03 01:52:55,893 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 278 transitions. [2023-12-03 01:52:55,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:52:55,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:55,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:55,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:52:55,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:55,993 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:52:56,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:56,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 113 states and 277 transitions. [2023-12-03 01:52:56,490 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 277 transitions. [2023-12-03 01:52:56,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:52:56,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:56,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:56,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 01:52:56,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 01:52:57,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:57,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 116 states and 280 transitions. [2023-12-03 01:52:57,989 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 280 transitions. [2023-12-03 01:52:57,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:52:57,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:57,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:58,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-03 01:52:58,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:58,363 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 16 proven. 67 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 01:52:59,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:59,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 119 states and 283 transitions. [2023-12-03 01:52:59,940 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 283 transitions. [2023-12-03 01:52:59,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:52:59,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:59,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:59,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 01:53:00,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:00,067 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 01:53:01,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:01,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 122 states and 286 transitions. [2023-12-03 01:53:01,680 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 286 transitions. [2023-12-03 01:53:01,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:53:01,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:01,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:01,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:53:01,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:01,753 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:02,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:02,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 122 states and 285 transitions. [2023-12-03 01:53:02,202 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 285 transitions. [2023-12-03 01:53:02,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:53:02,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:02,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:02,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 01:53:02,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:02,332 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 01:53:03,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:03,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 125 states and 288 transitions. [2023-12-03 01:53:03,725 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 288 transitions. [2023-12-03 01:53:03,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:53:03,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:03,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:03,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:53:03,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:03,802 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:04,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:04,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 125 states and 287 transitions. [2023-12-03 01:53:04,209 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 287 transitions. [2023-12-03 01:53:04,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:53:04,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:04,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:04,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-03 01:53:04,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:04,543 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 11 proven. 94 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 01:53:07,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:07,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 129 states and 309 transitions. [2023-12-03 01:53:07,138 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 309 transitions. [2023-12-03 01:53:07,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:53:07,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:07,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:07,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-03 01:53:07,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:07,295 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 11 proven. 94 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 01:53:09,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:09,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 132 states and 313 transitions. [2023-12-03 01:53:09,514 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 313 transitions. [2023-12-03 01:53:09,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:53:09,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:09,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:09,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-03 01:53:09,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:09,690 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 10 proven. 104 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-03 01:53:11,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:11,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 135 states and 316 transitions. [2023-12-03 01:53:11,142 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 316 transitions. [2023-12-03 01:53:11,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:53:11,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:11,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:11,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-03 01:53:11,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:11,306 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 11 proven. 94 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 01:53:12,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:12,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 137 states and 317 transitions. [2023-12-03 01:53:12,607 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 317 transitions. [2023-12-03 01:53:12,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:53:12,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:12,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:12,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-03 01:53:12,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:12,773 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 11 proven. 94 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 01:53:14,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:14,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 140 states and 320 transitions. [2023-12-03 01:53:14,597 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 320 transitions. [2023-12-03 01:53:14,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:53:14,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:14,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:14,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:53:14,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:15,055 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:18,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:18,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 148 states and 366 transitions. [2023-12-03 01:53:18,929 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 366 transitions. [2023-12-03 01:53:18,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:53:18,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:18,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:19,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-03 01:53:19,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:19,116 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 11 proven. 94 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 01:53:20,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:20,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 151 states and 369 transitions. [2023-12-03 01:53:20,863 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 369 transitions. [2023-12-03 01:53:20,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:53:20,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:20,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:20,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-03 01:53:20,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:21,075 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 11 proven. 94 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 01:53:22,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:22,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 154 states and 372 transitions. [2023-12-03 01:53:22,935 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 372 transitions. [2023-12-03 01:53:22,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:53:22,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:22,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:22,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:53:22,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:23,011 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:23,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:23,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 154 states and 371 transitions. [2023-12-03 01:53:23,540 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 371 transitions. [2023-12-03 01:53:23,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:53:23,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:23,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:23,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:53:23,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:23,620 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:24,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:24,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 154 states and 370 transitions. [2023-12-03 01:53:24,067 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 370 transitions. [2023-12-03 01:53:24,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:53:24,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:24,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:24,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:53:24,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:24,158 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:24,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:24,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 154 states and 369 transitions. [2023-12-03 01:53:24,737 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 369 transitions. [2023-12-03 01:53:24,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:53:24,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:24,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:24,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:53:24,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:24,822 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:25,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:25,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 154 states and 368 transitions. [2023-12-03 01:53:25,401 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 368 transitions. [2023-12-03 01:53:25,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:53:25,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:25,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:25,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:53:25,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:25,497 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:26,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:26,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 154 states and 367 transitions. [2023-12-03 01:53:26,102 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 367 transitions. [2023-12-03 01:53:26,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:53:26,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:26,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:26,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:53:26,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:26,553 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:31,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 162 states and 415 transitions. [2023-12-03 01:53:31,068 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 415 transitions. [2023-12-03 01:53:31,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:53:31,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:31,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:31,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-03 01:53:31,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:31,592 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-03 01:53:34,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:34,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 166 states and 443 transitions. [2023-12-03 01:53:34,545 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 443 transitions. [2023-12-03 01:53:34,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:53:34,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:34,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:34,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:53:34,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:34,640 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:35,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:35,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 166 states and 442 transitions. [2023-12-03 01:53:35,226 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 442 transitions. [2023-12-03 01:53:35,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:53:35,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:35,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:35,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-03 01:53:35,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 13 proven. 124 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-03 01:53:38,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:38,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 169 states and 446 transitions. [2023-12-03 01:53:38,238 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 446 transitions. [2023-12-03 01:53:38,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:53:38,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:38,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:38,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-03 01:53:38,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:38,535 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-03 01:53:40,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:40,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 172 states and 449 transitions. [2023-12-03 01:53:40,532 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 449 transitions. [2023-12-03 01:53:40,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:53:40,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:40,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:40,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-03 01:53:40,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:40,754 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-03 01:53:42,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:42,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 174 states and 450 transitions. [2023-12-03 01:53:42,535 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 450 transitions. [2023-12-03 01:53:42,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:53:42,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:42,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:42,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-03 01:53:42,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:42,891 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 27 proven. 122 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-03 01:53:45,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:45,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 177 states and 453 transitions. [2023-12-03 01:53:45,213 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 453 transitions. [2023-12-03 01:53:45,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:53:45,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:45,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:45,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:53:45,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:45,298 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:45,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:45,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 177 states and 452 transitions. [2023-12-03 01:53:45,972 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 452 transitions. [2023-12-03 01:53:45,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:53:45,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:45,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:46,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-03 01:53:46,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:46,244 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-03 01:53:48,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:48,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 180 states and 455 transitions. [2023-12-03 01:53:48,699 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 455 transitions. [2023-12-03 01:53:48,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:53:48,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:48,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:48,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-03 01:53:48,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:48,943 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 27 proven. 122 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-03 01:53:51,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:51,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 183 states and 458 transitions. [2023-12-03 01:53:51,301 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 458 transitions. [2023-12-03 01:53:51,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:53:51,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:51,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:51,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-03 01:53:51,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:51,561 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-03 01:53:53,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:53,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 186 states and 461 transitions. [2023-12-03 01:53:53,831 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 461 transitions. [2023-12-03 01:53:53,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:53:53,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:53,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:53,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:53:53,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:53,934 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:54,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:54,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 186 states and 460 transitions. [2023-12-03 01:53:54,627 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 460 transitions. [2023-12-03 01:53:54,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:53:54,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:54,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:54,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:53:54,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:54,712 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:55,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:55,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 186 states and 459 transitions. [2023-12-03 01:53:55,374 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 459 transitions. [2023-12-03 01:53:55,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:53:55,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:55,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:55,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:53:55,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:55,464 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:56,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:56,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 186 states and 458 transitions. [2023-12-03 01:53:56,150 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 458 transitions. [2023-12-03 01:53:56,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:53:56,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:56,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:56,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:53:56,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:56,244 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:56,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:56,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 186 states and 457 transitions. [2023-12-03 01:53:56,946 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 457 transitions. [2023-12-03 01:53:56,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:53:56,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:56,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:56,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 01:53:56,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:57,620 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:54:03,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:03,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 194 states and 510 transitions. [2023-12-03 01:54:03,153 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 510 transitions. [2023-12-03 01:54:03,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:54:03,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:03,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:03,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 66 conjunts are in the unsatisfiable core [2023-12-03 01:54:03,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 32 proven. 165 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-12-03 01:54:09,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:09,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 198 states and 542 transitions. [2023-12-03 01:54:09,503 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 542 transitions. [2023-12-03 01:54:09,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:54:09,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:09,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:09,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 01:54:09,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:09,605 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:54:10,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:10,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 198 states and 541 transitions. [2023-12-03 01:54:10,420 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 541 transitions. [2023-12-03 01:54:10,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:54:10,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:10,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:10,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-03 01:54:10,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:14,386 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 169 proven. 4 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-03 01:54:23,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:23,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 202 states and 572 transitions. [2023-12-03 01:54:23,720 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 572 transitions. [2023-12-03 01:54:23,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:54:23,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:23,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:23,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 01:54:23,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:54:24,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:24,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 202 states and 571 transitions. [2023-12-03 01:54:24,634 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 571 transitions. [2023-12-03 01:54:24,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:54:24,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:24,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:24,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-03 01:54:24,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:54,710 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 186 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-12-03 01:56:01,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:56:39,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:58:40,872 WARN L293 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:59:37,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:59:37,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:37,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 204 states and 574 transitions. [2023-12-03 01:59:37,665 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 574 transitions. [2023-12-03 01:59:37,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:59:37,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:37,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:59:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:37,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 01:59:37,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:59:37,773 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:59:38,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:38,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 204 states and 573 transitions. [2023-12-03 01:59:38,718 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 573 transitions. [2023-12-03 01:59:38,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:59:38,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:38,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:59:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:41,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 01:59:41,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:59:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 186 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-12-03 02:00:56,368 WARN L293 SmtUtils]: Spent 14.12s on a formula simplification. DAG size of input: 43 DAG size of output: 42 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:02:06,039 WARN L293 SmtUtils]: Spent 25.15s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:02:07,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 02:02:17,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 02:03:43,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 02:06:49,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 02:06:49,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:49,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 207 states and 580 transitions. [2023-12-03 02:06:49,376 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 580 transitions. [2023-12-03 02:06:49,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:06:49,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:49,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:49,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-03 02:06:49,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:07:09,704 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 180 proven. 8 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked.