./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_7247f6da-1270-42f3-a0aa-4009e38ec382/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7247f6da-1270-42f3-a0aa-4009e38ec382/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7247f6da-1270-42f3-a0aa-4009e38ec382/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7247f6da-1270-42f3-a0aa-4009e38ec382/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7247f6da-1270-42f3-a0aa-4009e38ec382/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7247f6da-1270-42f3-a0aa-4009e38ec382/bin/ukojak-verify-G8NBE6pJGL --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 befa5004268d4c15cae2c05402ac6cc0f86cef85e498084909e66f7e8cc4b8f3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:46:22,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:46:22,666 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7247f6da-1270-42f3-a0aa-4009e38ec382/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:46:22,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:46:22,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:46:22,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:46:22,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:46:22,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:46:22,720 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:46:22,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:46:22,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:46:22,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:46:22,726 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:46:22,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:46:22,728 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:46:22,728 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:46:22,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:46:22,729 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:46:22,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:46:22,730 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:46:22,731 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:46:22,731 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:46:22,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:46:22,732 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:46:22,732 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:46:22,733 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:46:22,733 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:46:22,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:46:22,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:22,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:46:22,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:46:22,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:46:22,737 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:46:22,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:46:22,738 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:46:22,738 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_7247f6da-1270-42f3-a0aa-4009e38ec382/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7247f6da-1270-42f3-a0aa-4009e38ec382/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> befa5004268d4c15cae2c05402ac6cc0f86cef85e498084909e66f7e8cc4b8f3 [2023-11-19 02:46:23,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:46:23,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:46:23,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:46:23,124 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:46:23,124 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:46:23,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7247f6da-1270-42f3-a0aa-4009e38ec382/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c [2023-11-19 02:46:26,153 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:46:26,362 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:46:26,362 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7247f6da-1270-42f3-a0aa-4009e38ec382/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c [2023-11-19 02:46:26,371 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7247f6da-1270-42f3-a0aa-4009e38ec382/bin/ukojak-verify-G8NBE6pJGL/data/9f1543e50/680035e0a8b14515bd016620c20df98d/FLAGafdc5dfe8 [2023-11-19 02:46:26,389 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7247f6da-1270-42f3-a0aa-4009e38ec382/bin/ukojak-verify-G8NBE6pJGL/data/9f1543e50/680035e0a8b14515bd016620c20df98d [2023-11-19 02:46:26,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:46:26,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:46:26,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:26,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:46:26,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:46:26,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:26" (1/1) ... [2023-11-19 02:46:26,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@473acede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:26, skipping insertion in model container [2023-11-19 02:46:26,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:26" (1/1) ... [2023-11-19 02:46:26,436 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:46:26,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:26,755 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:46:26,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:26,812 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:46:26,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:26 WrapperNode [2023-11-19 02:46:26,812 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:26,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:26,814 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:46:26,814 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:46:26,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:26" (1/1) ... [2023-11-19 02:46:26,838 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:26" (1/1) ... [2023-11-19 02:46:26,870 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-19 02:46:26,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:26,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:46:26,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:46:26,872 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:46:26,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:26" (1/1) ... [2023-11-19 02:46:26,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:26" (1/1) ... [2023-11-19 02:46:26,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:26" (1/1) ... [2023-11-19 02:46:26,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:26" (1/1) ... [2023-11-19 02:46:26,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:26" (1/1) ... [2023-11-19 02:46:26,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:26" (1/1) ... [2023-11-19 02:46:26,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:26" (1/1) ... [2023-11-19 02:46:26,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:26" (1/1) ... [2023-11-19 02:46:26,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:46:26,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:46:26,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:46:26,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:46:26,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:26" (1/1) ... [2023-11-19 02:46:26,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:26,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7247f6da-1270-42f3-a0aa-4009e38ec382/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:46:26,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7247f6da-1270-42f3-a0aa-4009e38ec382/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:46:26,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7247f6da-1270-42f3-a0aa-4009e38ec382/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:46:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:46:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:46:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:46:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:46:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:46:26,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:46:26,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:46:26,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:46:27,054 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:46:27,056 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:46:27,258 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:46:27,288 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:46:27,288 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:46:27,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:27 BoogieIcfgContainer [2023-11-19 02:46:27,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:46:27,294 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:46:27,294 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:46:27,305 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:46:27,305 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:27" (1/1) ... [2023-11-19 02:46:27,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:46:27,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:27,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-19 02:46:27,374 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-19 02:46:27,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:46:27,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:27,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:27,735 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:27,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:27,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 55 transitions. [2023-11-19 02:46:27,815 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2023-11-19 02:46:27,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:46:27,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:27,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:27,935 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:27,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:27,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 56 transitions. [2023-11-19 02:46:27,962 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-19 02:46:27,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:46:27,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:27,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:28,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:46:28,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:28,156 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:28,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:28,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 74 transitions. [2023-11-19 02:46:28,306 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-11-19 02:46:28,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:46:28,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:28,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:28,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:46:28,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:28,451 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:28,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:28,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2023-11-19 02:46:28,721 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-11-19 02:46:28,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:46:28,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:28,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:28,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:46:28,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:28,891 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:28,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:28,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2023-11-19 02:46:28,931 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2023-11-19 02:46:28,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:46:28,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:28,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:28,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:46:28,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:29,071 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:29,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:29,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 63 states and 102 transitions. [2023-11-19 02:46:29,248 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 102 transitions. [2023-11-19 02:46:29,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:46:29,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:29,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:29,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:46:29,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:29,452 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:29,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:29,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 70 states and 121 transitions. [2023-11-19 02:46:29,756 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 121 transitions. [2023-11-19 02:46:29,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:46:29,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:29,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:29,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:46:29,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:29,979 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:30,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:30,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 73 states and 126 transitions. [2023-11-19 02:46:30,479 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 126 transitions. [2023-11-19 02:46:30,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:46:30,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:30,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:30,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:46:30,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:30,634 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:30,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:30,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 74 states and 127 transitions. [2023-11-19 02:46:30,685 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 127 transitions. [2023-11-19 02:46:30,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:46:30,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:30,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:30,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:46:30,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:30,854 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:31,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:31,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 134 transitions. [2023-11-19 02:46:31,199 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 134 transitions. [2023-11-19 02:46:31,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:46:31,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:31,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:31,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:46:31,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:31,462 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:46:33,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:33,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 90 states and 160 transitions. [2023-11-19 02:46:33,271 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2023-11-19 02:46:33,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:46:33,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:33,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:33,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:46:33,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:33,466 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:34,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:34,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 94 states and 163 transitions. [2023-11-19 02:46:34,184 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 163 transitions. [2023-11-19 02:46:34,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:46:34,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:34,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:34,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:46:34,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:34,683 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:35,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:35,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 100 states and 185 transitions. [2023-11-19 02:46:35,750 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 185 transitions. [2023-11-19 02:46:35,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:46:35,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:35,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:35,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:46:35,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:35,949 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:36,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:36,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 100 states and 182 transitions. [2023-11-19 02:46:36,229 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 182 transitions. [2023-11-19 02:46:36,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:46:36,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:36,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:36,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:46:36,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:36,500 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:37,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:37,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 107 states and 202 transitions. [2023-11-19 02:46:37,681 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 202 transitions. [2023-11-19 02:46:37,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:46:37,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:37,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:37,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:46:37,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:37,936 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:38,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:38,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 109 states and 207 transitions. [2023-11-19 02:46:38,489 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 207 transitions. [2023-11-19 02:46:38,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:46:38,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:38,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:38,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:46:38,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:38,638 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:39,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:39,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 117 states and 229 transitions. [2023-11-19 02:46:39,943 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 229 transitions. [2023-11-19 02:46:39,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:46:39,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:39,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:39,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:46:39,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:40,153 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:40,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:40,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 121 states and 239 transitions. [2023-11-19 02:46:40,733 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 239 transitions. [2023-11-19 02:46:40,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:46:40,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:40,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:40,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:46:40,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:41,096 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:42,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:42,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 123 states and 244 transitions. [2023-11-19 02:46:42,068 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 244 transitions. [2023-11-19 02:46:42,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:46:42,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:42,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:42,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:42,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:42,411 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:43,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:43,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 127 states and 248 transitions. [2023-11-19 02:46:43,586 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 248 transitions. [2023-11-19 02:46:43,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:46:43,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:43,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:43,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:43,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:43,945 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:44,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:44,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 127 states and 243 transitions. [2023-11-19 02:46:44,302 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 243 transitions. [2023-11-19 02:46:44,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:46:44,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:44,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:44,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:46:44,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:44,566 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:45,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:45,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 134 states and 263 transitions. [2023-11-19 02:46:45,770 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 263 transitions. [2023-11-19 02:46:45,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:46:45,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:45,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:45,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:45,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:46,104 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:47,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:47,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 141 states and 282 transitions. [2023-11-19 02:46:47,662 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 282 transitions. [2023-11-19 02:46:47,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:46:47,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:47,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:47,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:46:47,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:47,850 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:48,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:48,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 143 states and 284 transitions. [2023-11-19 02:46:48,478 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 284 transitions. [2023-11-19 02:46:48,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:46:48,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:48,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:48,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:46:48,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:48,656 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:49,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:49,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 146 states and 288 transitions. [2023-11-19 02:46:49,087 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 288 transitions. [2023-11-19 02:46:49,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:46:49,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:49,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:49,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:49,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:49,305 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:50,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:50,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 152 states and 295 transitions. [2023-11-19 02:46:50,378 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 295 transitions. [2023-11-19 02:46:50,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:46:50,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:50,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:50,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:50,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:50,519 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:51,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:51,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 154 states and 297 transitions. [2023-11-19 02:46:51,172 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 297 transitions. [2023-11-19 02:46:51,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:46:51,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:51,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:51,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:51,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:51,424 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:52,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 158 states and 301 transitions. [2023-11-19 02:46:52,203 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 301 transitions. [2023-11-19 02:46:52,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:46:52,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:52,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:52,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:46:52,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:52,651 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:53,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 164 states and 312 transitions. [2023-11-19 02:46:53,565 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 312 transitions. [2023-11-19 02:46:53,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:46:53,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:53,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:53,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:46:53,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:53,800 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:54,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:54,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 164 states and 311 transitions. [2023-11-19 02:46:54,334 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 311 transitions. [2023-11-19 02:46:54,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:46:54,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:54,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:54,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:46:54,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:54,865 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:55,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:55,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 164 states and 306 transitions. [2023-11-19 02:46:55,281 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 306 transitions. [2023-11-19 02:46:55,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:46:55,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:55,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:55,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:46:55,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:55,823 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:56,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:56,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 164 states and 300 transitions. [2023-11-19 02:46:56,202 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 300 transitions. [2023-11-19 02:46:56,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:46:56,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:56,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:56,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:46:56,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:56,375 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:57,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:57,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 169 states and 317 transitions. [2023-11-19 02:46:57,008 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 317 transitions. [2023-11-19 02:46:57,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:46:57,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:57,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:57,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:46:57,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:57,341 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:58,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:58,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 174 states and 333 transitions. [2023-11-19 02:46:58,863 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 333 transitions. [2023-11-19 02:46:58,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:46:58,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:58,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:58,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:46:58,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:59,131 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:47:00,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:00,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 175 states and 331 transitions. [2023-11-19 02:47:00,524 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 331 transitions. [2023-11-19 02:47:00,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:47:00,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:00,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:00,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:47:00,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:00,830 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:47:01,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:01,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 173 states and 323 transitions. [2023-11-19 02:47:01,440 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 323 transitions. [2023-11-19 02:47:01,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:47:01,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:01,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:01,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:47:01,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:01,823 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-19 02:47:02,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:02,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 173 states and 317 transitions. [2023-11-19 02:47:02,411 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 317 transitions. [2023-11-19 02:47:02,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:47:02,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:02,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:02,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:47:02,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:02,782 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-11-19 02:47:03,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:03,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 173 states and 313 transitions. [2023-11-19 02:47:03,358 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 313 transitions. [2023-11-19 02:47:03,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:47:03,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:03,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:03,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:47:03,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:03,520 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:47:04,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:04,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 177 states and 318 transitions. [2023-11-19 02:47:04,676 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 318 transitions. [2023-11-19 02:47:04,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:47:04,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:04,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:04,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:47:04,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:04,969 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:47:06,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:06,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 184 states and 325 transitions. [2023-11-19 02:47:06,911 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 325 transitions. [2023-11-19 02:47:06,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:47:06,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:06,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:06,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:47:06,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:07,063 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:47:07,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:07,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 184 states and 317 transitions. [2023-11-19 02:47:07,452 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 317 transitions. [2023-11-19 02:47:07,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:47:07,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:07,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:07,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:47:07,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:08,207 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 02:47:12,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:12,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 194 states and 334 transitions. [2023-11-19 02:47:12,908 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 334 transitions. [2023-11-19 02:47:12,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:47:12,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:12,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:12,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:47:12,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:13,410 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:47:13,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:13,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 138 states and 215 transitions. [2023-11-19 02:47:13,998 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 215 transitions. [2023-11-19 02:47:13,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 02:47:13,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:13,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:14,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:47:14,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:14,484 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 56 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:47:14,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:14,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 115 states and 178 transitions. [2023-11-19 02:47:14,996 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 178 transitions. [2023-11-19 02:47:14,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 02:47:14,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:14,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:15,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:47:15,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:15,333 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:47:17,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:17,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 114 states and 177 transitions. [2023-11-19 02:47:17,201 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 177 transitions. [2023-11-19 02:47:17,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:47:17,202 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 46 iterations. [2023-11-19 02:47:17,223 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold