./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23f5763-1b8d-4631-b814-5aa30bcff899/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23f5763-1b8d-4631-b814-5aa30bcff899/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_c23f5763-1b8d-4631-b814-5aa30bcff899/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23f5763-1b8d-4631-b814-5aa30bcff899/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23f5763-1b8d-4631-b814-5aa30bcff899/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23f5763-1b8d-4631-b814-5aa30bcff899/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 154556615f003714b5a49b3ebe7e74b2231be519e4b6364e10c3e255a1a8cfe1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:49:31,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:49:31,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23f5763-1b8d-4631-b814-5aa30bcff899/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 03:49:31,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:49:31,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:49:31,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:49:31,834 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:49:31,834 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:49:31,835 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:49:31,835 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:49:31,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:49:31,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:49:31,837 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:49:31,838 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:49:31,838 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:49:31,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:49:31,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:49:31,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:49:31,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:49:31,841 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:49:31,841 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:49:31,842 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:49:31,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:49:31,843 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:49:31,843 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:49:31,843 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:49:31,844 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:49:31,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:49:31,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:49:31,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:49:31,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:49:31,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:49:31,846 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:49:31,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:49:31,846 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:49:31,847 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_c23f5763-1b8d-4631-b814-5aa30bcff899/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23f5763-1b8d-4631-b814-5aa30bcff899/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 154556615f003714b5a49b3ebe7e74b2231be519e4b6364e10c3e255a1a8cfe1 [2023-12-03 03:49:32,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:49:32,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:49:32,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:49:32,099 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:49:32,099 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:49:32,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23f5763-1b8d-4631-b814-5aa30bcff899/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c [2023-12-03 03:49:34,878 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:49:35,034 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:49:35,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23f5763-1b8d-4631-b814-5aa30bcff899/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c [2023-12-03 03:49:35,040 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23f5763-1b8d-4631-b814-5aa30bcff899/bin/ukojak-verify-Qdu7aM0XO9/data/0b4b7a6d2/d609fb1fdd834ff6ab784b51561c3928/FLAGef045f8c9 [2023-12-03 03:49:35,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23f5763-1b8d-4631-b814-5aa30bcff899/bin/ukojak-verify-Qdu7aM0XO9/data/0b4b7a6d2/d609fb1fdd834ff6ab784b51561c3928 [2023-12-03 03:49:35,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:49:35,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:49:35,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:49:35,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:49:35,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:49:35,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:49:35" (1/1) ... [2023-12-03 03:49:35,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@455fe7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:35, skipping insertion in model container [2023-12-03 03:49:35,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:49:35" (1/1) ... [2023-12-03 03:49:35,085 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:49:35,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:49:35,232 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:49:35,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:49:35,265 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:49:35,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:35 WrapperNode [2023-12-03 03:49:35,265 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:49:35,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:49:35,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:49:35,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:49:35,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:35" (1/1) ... [2023-12-03 03:49:35,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:35" (1/1) ... [2023-12-03 03:49:35,305 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2023-12-03 03:49:35,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:49:35,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:49:35,306 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:49:35,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:49:35,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:35" (1/1) ... [2023-12-03 03:49:35,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:35" (1/1) ... [2023-12-03 03:49:35,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:35" (1/1) ... [2023-12-03 03:49:35,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:35" (1/1) ... [2023-12-03 03:49:35,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:35" (1/1) ... [2023-12-03 03:49:35,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:35" (1/1) ... [2023-12-03 03:49:35,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:35" (1/1) ... [2023-12-03 03:49:35,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:35" (1/1) ... [2023-12-03 03:49:35,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:49:35,329 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:49:35,329 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:49:35,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:49:35,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:35" (1/1) ... [2023-12-03 03:49:35,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:49:35,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23f5763-1b8d-4631-b814-5aa30bcff899/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:49:35,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23f5763-1b8d-4631-b814-5aa30bcff899/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:49:35,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23f5763-1b8d-4631-b814-5aa30bcff899/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:49:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:49:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:49:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:49:35,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:49:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:49:35,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:49:35,458 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:49:35,459 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:49:35,760 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:49:35,801 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:49:35,801 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:49:35,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:49:35 BoogieIcfgContainer [2023-12-03 03:49:35,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:49:35,804 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:49:35,804 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:49:35,812 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:49:35,813 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:49:35" (1/1) ... [2023-12-03 03:49:35,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:49:35,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:35,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 102 states and 109 transitions. [2023-12-03 03:49:35,873 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2023-12-03 03:49:35,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:49:35,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:35,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:49:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:35,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:49:35,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:36,002 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 03:49:36,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:36,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2023-12-03 03:49:36,017 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2023-12-03 03:49:36,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:49:36,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:36,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:49:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:36,091 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 03:49:36,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:36,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 104 states and 114 transitions. [2023-12-03 03:49:36,127 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2023-12-03 03:49:36,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:49:36,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:36,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:49:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:36,189 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 03:49:36,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:36,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 107 states and 121 transitions. [2023-12-03 03:49:36,311 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2023-12-03 03:49:36,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:49:36,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:36,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:49:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:36,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:49:36,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:36,375 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 03:49:36,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:36,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 108 states and 122 transitions. [2023-12-03 03:49:36,393 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2023-12-03 03:49:36,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:49:36,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:36,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:49:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:36,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:49:36,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:36,494 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 03:49:36,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:36,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 113 states and 133 transitions. [2023-12-03 03:49:36,881 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2023-12-03 03:49:36,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:49:36,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:36,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:49:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:36,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:49:36,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:36,988 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 03:49:37,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:37,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 119 states and 146 transitions. [2023-12-03 03:49:37,568 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 146 transitions. [2023-12-03 03:49:37,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:49:37,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:37,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:49:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:37,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 03:49:37,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:37,672 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 03:49:38,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:38,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 126 states and 160 transitions. [2023-12-03 03:49:38,459 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 160 transitions. [2023-12-03 03:49:38,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:49:38,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:38,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:49:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:38,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 03:49:38,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:38,542 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 03:49:38,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:38,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 127 states and 161 transitions. [2023-12-03 03:49:38,747 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 161 transitions. [2023-12-03 03:49:38,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:49:38,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:38,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:49:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:38,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:49:38,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:38,862 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 03:49:40,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 136 states and 178 transitions. [2023-12-03 03:49:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 178 transitions. [2023-12-03 03:49:40,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:49:40,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:40,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:49:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:40,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:49:40,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:40,300 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 03:49:42,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:42,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 146 states and 197 transitions. [2023-12-03 03:49:42,458 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 197 transitions. [2023-12-03 03:49:42,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:49:42,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:42,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:49:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:42,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:49:42,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:42,610 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 03:49:45,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:45,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 157 states and 218 transitions. [2023-12-03 03:49:45,158 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 218 transitions. [2023-12-03 03:49:45,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:49:45,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:45,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:49:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:45,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:49:45,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:45,297 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 03:49:47,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:47,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 169 states and 241 transitions. [2023-12-03 03:49:47,703 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 241 transitions. [2023-12-03 03:49:47,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:49:47,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:47,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:49:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:47,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:49:47,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:47,898 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 03:49:48,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:48,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 172 states and 247 transitions. [2023-12-03 03:49:48,392 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 247 transitions. [2023-12-03 03:49:48,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:49:48,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:48,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:49:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:48,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:49:48,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:48,491 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 03:49:49,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:49,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 174 states and 249 transitions. [2023-12-03 03:49:49,331 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-03 03:49:49,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:49:49,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:49,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:49:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:49,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:49:49,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:49,709 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 03:49:53,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:53,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 185 states and 270 transitions. [2023-12-03 03:49:53,768 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 270 transitions. [2023-12-03 03:49:53,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 03:49:53,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:53,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:49:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:53,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:49:53,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:54,153 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 03:49:59,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:59,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 196 states and 292 transitions. [2023-12-03 03:49:59,522 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 292 transitions. [2023-12-03 03:49:59,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 03:49:59,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:59,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:49:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:59,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:49:59,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:59,657 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 03:49:59,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:59,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 195 states and 291 transitions. [2023-12-03 03:49:59,847 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 291 transitions. [2023-12-03 03:49:59,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:49:59,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:59,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:49:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:59,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:49:59,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:00,113 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 03:50:04,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:04,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 207 states and 315 transitions. [2023-12-03 03:50:04,793 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 315 transitions. [2023-12-03 03:50:04,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:50:04,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:04,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:04,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:50:04,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:04,839 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 03:50:05,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:05,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 210 states and 319 transitions. [2023-12-03 03:50:05,769 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 319 transitions. [2023-12-03 03:50:05,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:50:05,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:05,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:05,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:50:05,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:05,804 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 03:50:05,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:05,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 213 states and 323 transitions. [2023-12-03 03:50:05,845 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 323 transitions. [2023-12-03 03:50:05,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:50:05,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:05,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:05,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:50:05,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:06,011 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 03:50:06,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:06,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 212 states and 322 transitions. [2023-12-03 03:50:06,188 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 322 transitions. [2023-12-03 03:50:06,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:50:06,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:06,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:06,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:50:06,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:06,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:50:24,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:24,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 222 states and 339 transitions. [2023-12-03 03:50:24,489 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 339 transitions. [2023-12-03 03:50:24,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:50:24,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:24,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:24,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:50:24,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:24,679 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 03:50:31,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:31,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 235 states and 364 transitions. [2023-12-03 03:50:31,570 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 364 transitions. [2023-12-03 03:50:31,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:50:31,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:31,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:31,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:50:31,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:31,766 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 03:50:36,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:36,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 246 states and 387 transitions. [2023-12-03 03:50:36,206 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 387 transitions. [2023-12-03 03:50:36,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:50:36,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:36,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:36,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:50:36,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:36,243 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 03:50:36,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:36,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 249 states and 391 transitions. [2023-12-03 03:50:36,285 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 391 transitions. [2023-12-03 03:50:36,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:50:36,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:36,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:36,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:50:36,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:36,523 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 03:50:37,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:37,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 253 states and 400 transitions. [2023-12-03 03:50:37,947 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 400 transitions. [2023-12-03 03:50:37,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:50:37,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:37,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:37,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:50:37,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:38,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:50:48,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:48,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 258 states and 406 transitions. [2023-12-03 03:50:48,370 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 406 transitions. [2023-12-03 03:50:48,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:50:48,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:48,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:48,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:50:48,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:48,496 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 03:50:51,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:51,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 263 states and 415 transitions. [2023-12-03 03:50:51,132 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 415 transitions. [2023-12-03 03:50:51,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:50:51,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:51,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:51,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:50:51,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:55,177 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 03:51:10,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:10,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 283 states and 450 transitions. [2023-12-03 03:51:10,001 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 450 transitions. [2023-12-03 03:51:10,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:51:10,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:10,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:10,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:51:10,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:10,039 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 03:51:10,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:10,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 287 states and 457 transitions. [2023-12-03 03:51:10,553 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 457 transitions. [2023-12-03 03:51:10,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:51:10,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:10,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:10,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:51:10,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:14,099 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 03:51:27,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:27,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 304 states and 483 transitions. [2023-12-03 03:51:27,766 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 483 transitions. [2023-12-03 03:51:27,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:51:27,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:27,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:27,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:51:27,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:27,927 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 03:51:31,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:31,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 310 states and 498 transitions. [2023-12-03 03:51:31,494 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 498 transitions. [2023-12-03 03:51:31,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:51:31,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:31,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:31,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:51:31,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:33,052 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 03:51:46,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:46,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 318 states and 514 transitions. [2023-12-03 03:51:46,361 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 514 transitions. [2023-12-03 03:51:46,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:51:46,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:46,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:46,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:51:46,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:46,403 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 03:51:46,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:46,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 322 states and 520 transitions. [2023-12-03 03:51:46,929 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 520 transitions. [2023-12-03 03:51:46,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:51:46,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:46,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:46,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:51:46,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:52,665 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 03:52:59,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:52:59,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 326 states and 526 transitions. [2023-12-03 03:52:59,348 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 526 transitions. [2023-12-03 03:52:59,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:52:59,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:52:59,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:52:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:59,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:52:59,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:00,687 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 03:53:16,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:16,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 335 states and 549 transitions. [2023-12-03 03:53:16,215 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 549 transitions. [2023-12-03 03:53:16,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:53:16,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:16,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:53:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:16,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 03:53:16,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:17,189 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 03:53:21,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:21,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 337 states and 552 transitions. [2023-12-03 03:53:21,267 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 552 transitions. [2023-12-03 03:53:21,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:53:21,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:21,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:53:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:21,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:53:21,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:22,839 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 03:54:33,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:33,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 343 states and 563 transitions. [2023-12-03 03:54:33,533 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 563 transitions. [2023-12-03 03:54:33,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 03:54:33,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:33,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:33,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:54:33,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:34,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:52,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:52,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 364 states and 638 transitions. [2023-12-03 03:54:52,857 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 638 transitions. [2023-12-03 03:54:52,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 03:54:52,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:52,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:52,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:54:52,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:54,413 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 03:54:59,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:59,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 368 states and 643 transitions. [2023-12-03 03:54:59,291 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 643 transitions. [2023-12-03 03:54:59,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 03:54:59,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:59,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:59,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:59,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:00,286 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 03:56:06,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:06,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 375 states and 668 transitions. [2023-12-03 03:56:06,487 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 668 transitions. [2023-12-03 03:56:06,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 03:56:06,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:06,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:06,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:56:06,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:07,860 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:29,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:29,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 397 states and 736 transitions. [2023-12-03 03:56:29,754 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 736 transitions. [2023-12-03 03:56:29,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 03:56:29,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:29,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:29,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:56:29,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:29,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:58,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:58,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 419 states and 794 transitions. [2023-12-03 03:56:58,368 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 794 transitions. [2023-12-03 03:56:58,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 03:56:58,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:58,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:58,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:56:58,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:58,824 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 03:57:01,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:01,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 420 states and 796 transitions. [2023-12-03 03:57:01,107 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 796 transitions. [2023-12-03 03:57:01,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 03:57:01,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:01,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:57:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:01,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:57:01,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:02,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:57:29,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:29,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 440 states and 853 transitions. [2023-12-03 03:57:29,847 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 853 transitions. [2023-12-03 03:57:29,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 03:57:29,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:29,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:57:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:29,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:57:29,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:29,919 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 03:57:30,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:30,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 442 states and 856 transitions. [2023-12-03 03:57:30,840 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 856 transitions. [2023-12-03 03:57:30,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 03:57:30,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:30,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:57:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:30,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:57:30,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:30,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:58:42,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:42,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 449 states and 868 transitions. [2023-12-03 03:58:42,499 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 868 transitions. [2023-12-03 03:58:42,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:58:42,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:42,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:58:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:42,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:58:42,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:50,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:59:26,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:26,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 460 states and 903 transitions. [2023-12-03 03:59:26,931 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 903 transitions. [2023-12-03 03:59:26,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:59:26,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:26,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:59:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:26,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:59:26,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:27,204 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:59:34,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:34,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 462 states and 918 transitions. [2023-12-03 03:59:34,321 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 918 transitions. [2023-12-03 03:59:34,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:59:34,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:34,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:59:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:34,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:59:34,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:34,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:00:09,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:09,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 473 states and 959 transitions. [2023-12-03 04:00:09,279 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 959 transitions. [2023-12-03 04:00:09,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:00:09,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:09,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:09,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 04:00:09,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:09,587 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:00:23,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:23,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 477 states and 985 transitions. [2023-12-03 04:00:23,334 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 985 transitions. [2023-12-03 04:00:23,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:00:23,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:23,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:23,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:00:23,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:27,796 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 04:00:46,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:46,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 486 states and 996 transitions. [2023-12-03 04:00:46,028 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 996 transitions. [2023-12-03 04:00:46,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:00:46,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:46,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:46,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:00:46,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:46,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:02:15,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:15,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 493 states and 1011 transitions. [2023-12-03 04:02:15,548 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 1011 transitions. [2023-12-03 04:02:15,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:02:15,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:15,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:15,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 04:02:15,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:29,156 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:03:55,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:55,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 503 states and 1058 transitions. [2023-12-03 04:03:55,956 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 1058 transitions. [2023-12-03 04:03:55,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:03:55,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:55,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:03:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:55,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:03:55,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:55,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.