./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.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_e7aaa6ff-da88-4fb9-8ad2-58daaf8f6984/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7aaa6ff-da88-4fb9-8ad2-58daaf8f6984/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_e7aaa6ff-da88-4fb9-8ad2-58daaf8f6984/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7aaa6ff-da88-4fb9-8ad2-58daaf8f6984/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7aaa6ff-da88-4fb9-8ad2-58daaf8f6984/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_e7aaa6ff-da88-4fb9-8ad2-58daaf8f6984/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 49a20f83cf329df91226e628147ac8e7ab93deb8d5efcb58cae512b640c9b509 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:05:28,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:05:28,846 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7aaa6ff-da88-4fb9-8ad2-58daaf8f6984/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 03:05:28,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:05:28,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:05:28,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:05:28,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:05:28,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:05:28,875 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:05:28,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:05:28,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:05:28,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:05:28,877 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:05:28,877 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:05:28,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:05:28,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:05:28,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:05:28,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:05:28,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:05:28,880 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:05:28,880 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:05:28,881 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:05:28,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:05:28,882 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:05:28,882 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:05:28,882 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:05:28,883 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:05:28,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:05:28,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:05:28,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:05:28,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:05:28,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:05:28,885 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:05:28,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:05:28,885 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:05:28,885 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_e7aaa6ff-da88-4fb9-8ad2-58daaf8f6984/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7aaa6ff-da88-4fb9-8ad2-58daaf8f6984/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49a20f83cf329df91226e628147ac8e7ab93deb8d5efcb58cae512b640c9b509 [2023-12-03 03:05:29,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:05:29,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:05:29,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:05:29,129 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:05:29,129 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:05:29,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7aaa6ff-da88-4fb9-8ad2-58daaf8f6984/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c [2023-12-03 03:05:31,895 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:05:32,042 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:05:32,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7aaa6ff-da88-4fb9-8ad2-58daaf8f6984/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c [2023-12-03 03:05:32,050 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7aaa6ff-da88-4fb9-8ad2-58daaf8f6984/bin/ukojak-verify-Qdu7aM0XO9/data/7dd3ab974/fcc27fe260d04e68a294d954abb6004d/FLAG0e46f468c [2023-12-03 03:05:32,062 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7aaa6ff-da88-4fb9-8ad2-58daaf8f6984/bin/ukojak-verify-Qdu7aM0XO9/data/7dd3ab974/fcc27fe260d04e68a294d954abb6004d [2023-12-03 03:05:32,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:05:32,067 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:05:32,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:05:32,068 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:05:32,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:05:32,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:05:32" (1/1) ... [2023-12-03 03:05:32,073 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@598c289b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:32, skipping insertion in model container [2023-12-03 03:05:32,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:05:32" (1/1) ... [2023-12-03 03:05:32,093 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:05:32,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:05:32,251 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:05:32,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:05:32,291 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:05:32,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:32 WrapperNode [2023-12-03 03:05:32,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:05:32,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:05:32,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:05:32,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:05:32,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:32" (1/1) ... [2023-12-03 03:05:32,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:32" (1/1) ... [2023-12-03 03:05:32,324 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-12-03 03:05:32,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:05:32,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:05:32,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:05:32,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:05:32,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:32" (1/1) ... [2023-12-03 03:05:32,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:32" (1/1) ... [2023-12-03 03:05:32,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:32" (1/1) ... [2023-12-03 03:05:32,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:32" (1/1) ... [2023-12-03 03:05:32,338 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:32" (1/1) ... [2023-12-03 03:05:32,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:32" (1/1) ... [2023-12-03 03:05:32,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:32" (1/1) ... [2023-12-03 03:05:32,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:32" (1/1) ... [2023-12-03 03:05:32,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:05:32,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:05:32,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:05:32,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:05:32,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:32" (1/1) ... [2023-12-03 03:05:32,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:05:32,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7aaa6ff-da88-4fb9-8ad2-58daaf8f6984/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:05:32,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7aaa6ff-da88-4fb9-8ad2-58daaf8f6984/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:05:32,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7aaa6ff-da88-4fb9-8ad2-58daaf8f6984/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:05:32,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:05:32,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:05:32,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:05:32,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:05:32,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:05:32,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:05:32,467 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:05:32,468 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:05:32,670 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:05:32,720 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:05:32,720 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 03:05:32,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:05:32 BoogieIcfgContainer [2023-12-03 03:05:32,722 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:05:32,723 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:05:32,723 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:05:32,732 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:05:32,733 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:05:32" (1/1) ... [2023-12-03 03:05:32,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:05:32,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:32,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2023-12-03 03:05:32,797 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2023-12-03 03:05:32,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:05:32,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:32,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:33,004 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 03:05:33,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:33,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-12-03 03:05:33,046 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-12-03 03:05:33,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:05:33,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:33,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:33,100 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 03:05:33,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:33,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2023-12-03 03:05:33,114 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2023-12-03 03:05:33,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:05:33,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:33,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:33,172 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 03:05:33,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:33,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2023-12-03 03:05:33,193 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2023-12-03 03:05:33,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:05:33,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:33,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:33,304 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 03:05:33,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:33,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2023-12-03 03:05:33,406 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2023-12-03 03:05:33,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:05:33,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:33,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:33,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:33,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:33,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2023-12-03 03:05:33,573 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2023-12-03 03:05:33,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:05:33,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:33,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:33,674 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 03:05:33,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:33,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2023-12-03 03:05:33,917 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2023-12-03 03:05:33,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:05:33,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:33,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:33,979 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 03:05:34,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:34,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2023-12-03 03:05:34,092 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2023-12-03 03:05:34,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:05:34,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:34,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:34,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:34,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:34,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2023-12-03 03:05:34,173 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2023-12-03 03:05:34,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:05:34,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:34,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:34,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:34,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2023-12-03 03:05:34,396 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2023-12-03 03:05:34,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:05:34,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:34,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:34,492 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 03:05:34,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2023-12-03 03:05:34,753 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2023-12-03 03:05:34,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:05:34,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:34,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:34,829 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:34,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:34,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2023-12-03 03:05:34,917 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2023-12-03 03:05:34,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:05:34,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:34,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:34,972 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:35,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:35,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 55 states and 83 transitions. [2023-12-03 03:05:35,005 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2023-12-03 03:05:35,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:05:35,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:35,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:35,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:35,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2023-12-03 03:05:35,268 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2023-12-03 03:05:35,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:05:35,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:35,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:35,376 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:35,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:35,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2023-12-03 03:05:35,686 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2023-12-03 03:05:35,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:05:35,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:35,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:35,773 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:35,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:35,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 91 transitions. [2023-12-03 03:05:35,877 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2023-12-03 03:05:35,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:05:35,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:35,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:35,935 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:35,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:35,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 63 states and 96 transitions. [2023-12-03 03:05:35,975 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2023-12-03 03:05:35,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:05:35,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:35,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:36,200 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:36,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:36,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 63 states and 92 transitions. [2023-12-03 03:05:36,332 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2023-12-03 03:05:36,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:05:36,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:36,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:36,467 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:36,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:36,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2023-12-03 03:05:36,851 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2023-12-03 03:05:36,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:05:36,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:36,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:36,960 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:37,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:37,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 70 states and 103 transitions. [2023-12-03 03:05:37,085 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 103 transitions. [2023-12-03 03:05:37,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:05:37,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:37,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:37,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 03:05:37,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:05:37,460 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 03:05:38,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:38,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 83 states and 132 transitions. [2023-12-03 03:05:38,004 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 132 transitions. [2023-12-03 03:05:38,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 03:05:38,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:38,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:38,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 03:05:38,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:05:38,329 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 03:05:39,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:39,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 96 states and 161 transitions. [2023-12-03 03:05:39,014 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 161 transitions. [2023-12-03 03:05:39,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 03:05:39,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:39,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:39,093 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:39,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:39,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 97 states and 167 transitions. [2023-12-03 03:05:39,140 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 167 transitions. [2023-12-03 03:05:39,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 03:05:39,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:39,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:39,433 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:39,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:39,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 97 states and 162 transitions. [2023-12-03 03:05:39,623 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 162 transitions. [2023-12-03 03:05:39,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:05:39,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:39,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:39,827 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:40,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:40,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 98 states and 165 transitions. [2023-12-03 03:05:40,226 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 165 transitions. [2023-12-03 03:05:40,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:05:40,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:40,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:40,375 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:40,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:40,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 101 states and 168 transitions. [2023-12-03 03:05:40,533 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 168 transitions. [2023-12-03 03:05:40,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 03:05:40,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:40,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:40,636 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:40,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:40,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 102 states and 175 transitions. [2023-12-03 03:05:40,689 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 175 transitions. [2023-12-03 03:05:40,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 03:05:40,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:40,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:41,100 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 55 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:41,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:41,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 102 states and 169 transitions. [2023-12-03 03:05:41,308 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 169 transitions. [2023-12-03 03:05:41,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 03:05:41,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:41,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:41,532 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:41,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:41,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 103 states and 172 transitions. [2023-12-03 03:05:41,955 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2023-12-03 03:05:41,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 03:05:41,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:41,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:42,114 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:42,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:42,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 106 states and 175 transitions. [2023-12-03 03:05:42,284 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 175 transitions. [2023-12-03 03:05:42,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 03:05:42,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:42,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:42,402 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:42,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:42,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 107 states and 183 transitions. [2023-12-03 03:05:42,457 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 183 transitions. [2023-12-03 03:05:42,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 03:05:42,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:42,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:42,977 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 81 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:43,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:43,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 107 states and 176 transitions. [2023-12-03 03:05:43,162 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 176 transitions. [2023-12-03 03:05:43,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 03:05:43,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:43,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:43,411 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:43,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:43,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 108 states and 179 transitions. [2023-12-03 03:05:43,862 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 179 transitions. [2023-12-03 03:05:43,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 03:05:43,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:43,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:44,054 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:44,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:44,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 111 states and 182 transitions. [2023-12-03 03:05:44,239 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 182 transitions. [2023-12-03 03:05:44,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 03:05:44,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:44,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:44,362 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:44,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:44,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 112 states and 191 transitions. [2023-12-03 03:05:44,424 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 191 transitions. [2023-12-03 03:05:44,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 03:05:44,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:44,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:44,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:05:44,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:05:44,587 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 03:05:44,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:44,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 122 states and 213 transitions. [2023-12-03 03:05:44,928 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 213 transitions. [2023-12-03 03:05:44,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 03:05:44,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:44,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:45,498 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 112 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:45,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:45,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 122 states and 205 transitions. [2023-12-03 03:05:45,722 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 205 transitions. [2023-12-03 03:05:45,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 03:05:45,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:45,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:45,984 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:46,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:46,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 123 states and 208 transitions. [2023-12-03 03:05:46,424 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 208 transitions. [2023-12-03 03:05:46,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 03:05:46,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:46,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:46,577 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:46,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:46,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 126 states and 211 transitions. [2023-12-03 03:05:46,766 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 211 transitions. [2023-12-03 03:05:46,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:05:46,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:46,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:46,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:05:46,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:05:46,926 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 03:05:47,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:47,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 129 states and 216 transitions. [2023-12-03 03:05:47,351 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 216 transitions. [2023-12-03 03:05:47,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:05:47,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:47,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:47,479 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:47,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:47,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 130 states and 226 transitions. [2023-12-03 03:05:47,546 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 226 transitions. [2023-12-03 03:05:47,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 03:05:47,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:47,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:47,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:05:47,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:05:48,041 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 3 proven. 91 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 03:05:48,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:48,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 143 states and 255 transitions. [2023-12-03 03:05:48,691 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 255 transitions. [2023-12-03 03:05:48,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 03:05:48,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:48,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:49,378 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 148 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:49,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:49,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 143 states and 246 transitions. [2023-12-03 03:05:49,610 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 246 transitions. [2023-12-03 03:05:49,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:05:49,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:49,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:49,923 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:50,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:50,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 144 states and 249 transitions. [2023-12-03 03:05:50,379 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 249 transitions. [2023-12-03 03:05:50,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:05:50,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:50,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:50,598 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:50,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:50,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 147 states and 252 transitions. [2023-12-03 03:05:50,827 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 252 transitions. [2023-12-03 03:05:50,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:05:50,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:50,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:50,963 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:51,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:51,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 148 states and 263 transitions. [2023-12-03 03:05:51,038 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 263 transitions. [2023-12-03 03:05:51,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 03:05:51,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:51,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:51,845 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 189 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:52,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:52,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 148 states and 253 transitions. [2023-12-03 03:05:52,086 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 253 transitions. [2023-12-03 03:05:52,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:05:52,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:52,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:52,357 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:52,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:52,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 149 states and 256 transitions. [2023-12-03 03:05:52,837 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 256 transitions. [2023-12-03 03:05:52,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:05:52,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:52,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:53,018 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:53,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:53,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 152 states and 259 transitions. [2023-12-03 03:05:53,219 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 259 transitions. [2023-12-03 03:05:53,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 03:05:53,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:53,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:53,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:53,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 153 states and 271 transitions. [2023-12-03 03:05:53,414 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 271 transitions. [2023-12-03 03:05:53,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 03:05:53,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:53,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:54,405 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 235 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:54,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:54,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 153 states and 260 transitions. [2023-12-03 03:05:54,639 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 260 transitions. [2023-12-03 03:05:54,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 03:05:54,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:54,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:54,975 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:55,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:55,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 154 states and 263 transitions. [2023-12-03 03:05:55,511 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 263 transitions. [2023-12-03 03:05:55,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 03:05:55,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:55,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:55,725 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:55,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:55,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 157 states and 266 transitions. [2023-12-03 03:05:55,966 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 266 transitions. [2023-12-03 03:05:55,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 03:05:55,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:55,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:56,113 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:56,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:56,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 158 states and 279 transitions. [2023-12-03 03:05:56,199 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 279 transitions. [2023-12-03 03:05:56,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 03:05:56,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:56,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:57,509 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 286 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:57,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:57,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 158 states and 267 transitions. [2023-12-03 03:05:57,766 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 267 transitions. [2023-12-03 03:05:57,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 03:05:57,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:57,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:58,092 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:58,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:58,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 159 states and 270 transitions. [2023-12-03 03:05:58,659 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 270 transitions. [2023-12-03 03:05:58,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 03:05:58,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:58,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:58,916 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:59,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:59,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 162 states and 273 transitions. [2023-12-03 03:05:59,183 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 273 transitions. [2023-12-03 03:05:59,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 03:05:59,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:59,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:59,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 03:05:59,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:05:59,510 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 3 proven. 260 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-12-03 03:06:00,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:00,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 175 states and 301 transitions. [2023-12-03 03:06:00,075 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 301 transitions. [2023-12-03 03:06:00,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:06:00,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:00,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:00,204 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:00,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:00,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 176 states and 315 transitions. [2023-12-03 03:06:00,278 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 315 transitions. [2023-12-03 03:06:00,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:06:00,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:00,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:01,495 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 342 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:01,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:01,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 176 states and 302 transitions. [2023-12-03 03:06:01,761 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 302 transitions. [2023-12-03 03:06:01,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 03:06:01,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:01,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:02,066 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:02,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:02,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 177 states and 305 transitions. [2023-12-03 03:06:02,645 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 305 transitions. [2023-12-03 03:06:02,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 03:06:02,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:02,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:02,876 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:03,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:03,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 180 states and 308 transitions. [2023-12-03 03:06:03,152 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 308 transitions. [2023-12-03 03:06:03,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 03:06:03,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:03,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:03,298 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:03,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:03,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 181 states and 323 transitions. [2023-12-03 03:06:03,390 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 323 transitions. [2023-12-03 03:06:03,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:06:03,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:03,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:04,790 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 403 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:05,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:05,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 181 states and 309 transitions. [2023-12-03 03:06:05,078 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 309 transitions. [2023-12-03 03:06:05,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 03:06:05,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:05,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:05,389 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:05,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:05,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 182 states and 312 transitions. [2023-12-03 03:06:05,972 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 312 transitions. [2023-12-03 03:06:05,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 03:06:05,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:05,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:06,203 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:06,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:06,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 185 states and 315 transitions. [2023-12-03 03:06:06,450 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 315 transitions. [2023-12-03 03:06:06,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 03:06:06,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:06,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:06,613 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:06,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:06,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 186 states and 331 transitions. [2023-12-03 03:06:06,704 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 331 transitions. [2023-12-03 03:06:06,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 03:06:06,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:06,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:08,233 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 469 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:08,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:08,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 186 states and 316 transitions. [2023-12-03 03:06:08,590 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 316 transitions. [2023-12-03 03:06:08,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 03:06:08,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:08,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:08,986 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:09,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:09,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 187 states and 319 transitions. [2023-12-03 03:06:09,635 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 319 transitions. [2023-12-03 03:06:09,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 03:06:09,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:09,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:09,922 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:10,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:10,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 190 states and 322 transitions. [2023-12-03 03:06:10,168 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 322 transitions. [2023-12-03 03:06:10,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-03 03:06:10,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:10,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:10,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:06:10,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:06:10,403 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 515 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-12-03 03:06:10,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:10,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 200 states and 344 transitions. [2023-12-03 03:06:10,983 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 344 transitions. [2023-12-03 03:06:10,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 03:06:10,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:10,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:11,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:11,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 201 states and 361 transitions. [2023-12-03 03:06:11,254 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 361 transitions. [2023-12-03 03:06:11,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 03:06:11,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:11,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:12,885 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 540 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:13,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:13,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 201 states and 345 transitions. [2023-12-03 03:06:13,159 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 345 transitions. [2023-12-03 03:06:13,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 03:06:13,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:13,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:13,516 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:14,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:14,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 202 states and 348 transitions. [2023-12-03 03:06:14,150 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 348 transitions. [2023-12-03 03:06:14,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 03:06:14,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:14,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:14,411 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 648 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:14,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:14,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 205 states and 351 transitions. [2023-12-03 03:06:14,660 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 351 transitions. [2023-12-03 03:06:14,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-03 03:06:14,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:14,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:14,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 03:06:14,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:06:14,845 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 333 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-12-03 03:06:15,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:15,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 208 states and 356 transitions. [2023-12-03 03:06:15,425 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 356 transitions. [2023-12-03 03:06:15,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-03 03:06:15,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:15,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:15,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 03:06:15,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:06:15,669 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-12-03 03:06:16,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:16,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 218 states and 378 transitions. [2023-12-03 03:06:16,511 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 378 transitions. [2023-12-03 03:06:16,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 03:06:16,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:16,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:16,694 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:16,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:16,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 219 states and 396 transitions. [2023-12-03 03:06:16,804 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 396 transitions. [2023-12-03 03:06:16,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-03 03:06:16,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:16,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:18,592 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 616 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:18,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:18,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 219 states and 379 transitions. [2023-12-03 03:06:18,933 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 379 transitions. [2023-12-03 03:06:18,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-03 03:06:18,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:18,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:19,456 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:20,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:20,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 220 states and 382 transitions. [2023-12-03 03:06:20,112 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 382 transitions. [2023-12-03 03:06:20,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-03 03:06:20,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:20,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:20,387 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 0 proven. 731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:20,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:20,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 223 states and 385 transitions. [2023-12-03 03:06:20,640 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 385 transitions. [2023-12-03 03:06:20,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-03 03:06:20,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:20,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:20,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 03:06:20,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:06:20,847 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 0 proven. 363 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-12-03 03:06:21,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:21,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 226 states and 390 transitions. [2023-12-03 03:06:21,419 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 390 transitions. [2023-12-03 03:06:21,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-03 03:06:21,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:21,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:21,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:06:21,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:06:22,370 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 9 proven. 531 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-12-03 03:06:23,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:23,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 239 states and 419 transitions. [2023-12-03 03:06:23,580 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 419 transitions. [2023-12-03 03:06:23,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-03 03:06:23,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:23,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:23,778 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 0 proven. 748 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:23,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:23,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 240 states and 438 transitions. [2023-12-03 03:06:23,922 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 438 transitions. [2023-12-03 03:06:23,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 03:06:23,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:23,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:26,076 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 697 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:26,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:26,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 240 states and 420 transitions. [2023-12-03 03:06:26,480 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 420 transitions. [2023-12-03 03:06:26,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-03 03:06:26,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:26,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:26,916 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:27,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 241 states and 423 transitions. [2023-12-03 03:06:27,677 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 423 transitions. [2023-12-03 03:06:27,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-03 03:06:27,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:27,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:27,970 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 819 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:28,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 244 states and 426 transitions. [2023-12-03 03:06:28,278 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 426 transitions. [2023-12-03 03:06:28,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 03:06:28,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:28,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:28,527 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 0 proven. 837 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:28,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:28,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 245 states and 446 transitions. [2023-12-03 03:06:28,638 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 446 transitions. [2023-12-03 03:06:28,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-03 03:06:28,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:28,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:30,827 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 783 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:31,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:31,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 245 states and 427 transitions. [2023-12-03 03:06:31,202 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 427 transitions. [2023-12-03 03:06:31,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-03 03:06:31,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:31,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:31,702 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 0 proven. 855 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:32,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:32,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 246 states and 430 transitions. [2023-12-03 03:06:32,509 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 430 transitions. [2023-12-03 03:06:32,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-03 03:06:32,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:32,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:32,862 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 0 proven. 912 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:33,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:33,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 249 states and 433 transitions. [2023-12-03 03:06:33,197 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 433 transitions. [2023-12-03 03:06:33,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-03 03:06:33,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:33,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:33,425 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:33,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:33,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 250 states and 433 transitions. [2023-12-03 03:06:33,548 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 433 transitions. [2023-12-03 03:06:33,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-03 03:06:33,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:33,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:35,885 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 874 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:36,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:36,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 244 states and 403 transitions. [2023-12-03 03:06:36,285 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 403 transitions. [2023-12-03 03:06:36,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-03 03:06:36,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:36,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:36,536 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:37,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:37,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 244 states and 399 transitions. [2023-12-03 03:06:37,140 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 399 transitions. [2023-12-03 03:06:37,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-03 03:06:37,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:37,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:37,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 0 proven. 1010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:37,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:37,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 243 states and 398 transitions. [2023-12-03 03:06:37,640 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 398 transitions. [2023-12-03 03:06:37,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-03 03:06:37,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:37,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:37,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1010 trivial. 0 not checked. [2023-12-03 03:06:38,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:38,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 231 states and 368 transitions. [2023-12-03 03:06:38,321 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 368 transitions. [2023-12-03 03:06:38,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-03 03:06:38,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:38,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:38,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 1030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:39,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:39,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 231 states and 364 transitions. [2023-12-03 03:06:39,029 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 364 transitions. [2023-12-03 03:06:39,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-03 03:06:39,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:39,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:39,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 03:06:39,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:06:39,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1025 backedges. 0 proven. 875 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-12-03 03:06:39,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:39,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 241 states and 386 transitions. [2023-12-03 03:06:39,855 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 386 transitions. [2023-12-03 03:06:39,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-03 03:06:39,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:39,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:39,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-03 03:06:39,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:06:41,420 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 21 proven. 629 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-12-03 03:06:43,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:43,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 254 states and 413 transitions. [2023-12-03 03:06:43,200 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 413 transitions. [2023-12-03 03:06:43,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-03 03:06:43,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:43,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:43,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-03 03:06:43,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:06:43,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1135 backedges. 0 proven. 985 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-12-03 03:06:44,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:44,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 257 states and 417 transitions. [2023-12-03 03:06:44,284 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 417 transitions. [2023-12-03 03:06:44,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-03 03:06:44,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:44,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:44,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 03:06:44,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:06:44,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1493 backedges. 12 proven. 1301 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-03 03:06:45,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 270 states and 444 transitions. [2023-12-03 03:06:45,739 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 444 transitions. [2023-12-03 03:06:45,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-12-03 03:06:45,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:45,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:45,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 03:06:45,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:06:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2024 backedges. 0 proven. 1814 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-12-03 03:06:46,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:46,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 280 states and 466 transitions. [2023-12-03 03:06:46,684 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 466 transitions. [2023-12-03 03:06:46,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-12-03 03:06:46,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:46,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:46,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 03:06:46,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:06:47,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1623 backedges. 24 proven. 1419 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-03 03:06:49,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:49,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 293 states and 493 transitions. [2023-12-03 03:06:49,414 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 493 transitions. [2023-12-03 03:06:49,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-12-03 03:06:49,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:49,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:49,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 03:06:49,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:06:49,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2154 backedges. 0 proven. 1944 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-12-03 03:06:50,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:50,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 296 states and 497 transitions. [2023-12-03 03:06:50,603 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 497 transitions. [2023-12-03 03:06:50,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-12-03 03:06:50,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:50,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:50,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-03 03:06:50,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:06:50,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2663 backedges. 0 proven. 2423 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-12-03 03:06:51,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:51,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 306 states and 519 transitions. [2023-12-03 03:06:51,673 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 519 transitions. [2023-12-03 03:06:51,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-12-03 03:06:51,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:51,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:51,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-03 03:06:51,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:06:52,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2199 backedges. 0 proven. 1989 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-12-03 03:06:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:52,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 309 states and 523 transitions. [2023-12-03 03:06:52,984 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 523 transitions. [2023-12-03 03:06:52,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-12-03 03:06:52,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:52,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:53,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-03 03:06:53,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:06:53,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2693 backedges. 0 proven. 2453 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-12-03 03:07:03,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 03:07:04,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:07:04,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 319 states and 545 transitions. [2023-12-03 03:07:04,137 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 545 transitions. [2023-12-03 03:07:04,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-12-03 03:07:04,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:07:04,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:07:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:07:04,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-03 03:07:04,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:07:05,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2249 backedges. 30 proven. 2009 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-12-03 03:07:07,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:07:07,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 332 states and 572 transitions. [2023-12-03 03:07:07,323 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 572 transitions. [2023-12-03 03:07:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-12-03 03:07:07,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:07:07,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:07:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:07:07,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-03 03:07:07,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:07:08,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2863 backedges. 30 proven. 2593 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-12-03 03:07:09,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:07:09,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 345 states and 598 transitions. [2023-12-03 03:07:09,250 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 598 transitions. [2023-12-03 03:07:09,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-12-03 03:07:09,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:07:09,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:07:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:07:09,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-03 03:07:09,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:07:09,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3560 backedges. 30 proven. 3260 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-12-03 03:07:10,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:07:10,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 358 states and 624 transitions. [2023-12-03 03:07:10,929 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 624 transitions. [2023-12-03 03:07:10,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2023-12-03 03:07:10,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:07:10,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:07:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:07:11,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-03 03:07:11,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:07:14,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4340 backedges. 4031 proven. 9 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-12-03 03:07:14,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:07:14,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 347 states and 605 transitions. [2023-12-03 03:07:14,739 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 605 transitions. [2023-12-03 03:07:14,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:07:14,740 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 111 iterations. [2023-12-03 03:07:14,747 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-12-03 03:07:15,220 INFO L560 CodeCheckObserver]: Invariant with dag size 84 [2023-12-03 03:07:15,228 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:07:15,229 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:07:15,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:07:15 ImpRootNode [2023-12-03 03:07:15,229 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:07:15,230 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:07:15,230 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:07:15,230 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:07:15,230 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:05:32" (3/4) ... [2023-12-03 03:07:15,232 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:07:15,235 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 03:07:15,239 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-12-03 03:07:15,239 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-03 03:07:15,239 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 03:07:15,240 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:07:15,325 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7aaa6ff-da88-4fb9-8ad2-58daaf8f6984/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:07:15,326 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7aaa6ff-da88-4fb9-8ad2-58daaf8f6984/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:07:15,326 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:07:15,327 INFO L158 Benchmark]: Toolchain (without parser) took 103260.11ms. Allocated memory was 138.4MB in the beginning and 786.4MB in the end (delta: 648.0MB). Free memory was 97.7MB in the beginning and 375.4MB in the end (delta: -277.7MB). Peak memory consumption was 373.5MB. Max. memory is 16.1GB. [2023-12-03 03:07:15,327 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:07:15,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.64ms. Allocated memory is still 138.4MB. Free memory was 97.7MB in the beginning and 85.9MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:07:15,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.39ms. Allocated memory is still 138.4MB. Free memory was 85.9MB in the beginning and 84.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:07:15,328 INFO L158 Benchmark]: Boogie Preprocessor took 18.78ms. Allocated memory is still 138.4MB. Free memory was 84.3MB in the beginning and 83.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:07:15,328 INFO L158 Benchmark]: RCFGBuilder took 377.23ms. Allocated memory is still 138.4MB. Free memory was 83.1MB in the beginning and 65.4MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 03:07:15,328 INFO L158 Benchmark]: CodeCheck took 102506.39ms. Allocated memory was 138.4MB in the beginning and 786.4MB in the end (delta: 648.0MB). Free memory was 65.4MB in the beginning and 380.7MB in the end (delta: -315.3MB). Peak memory consumption was 333.6MB. Max. memory is 16.1GB. [2023-12-03 03:07:15,329 INFO L158 Benchmark]: Witness Printer took 96.55ms. Allocated memory is still 786.4MB. Free memory was 379.6MB in the beginning and 375.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:07:15,330 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 28 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 102.0s, OverallIterations: 111, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 38071 SdHoareTripleChecker+Valid, 207.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35733 mSDsluCounter, 28349 SdHoareTripleChecker+Invalid, 182.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19515 mSDsCounter, 41110 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 145203 IncrementalHoareTripleChecker+Invalid, 186318 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41110 mSolverCounterUnsat, 8834 mSDtfsCounter, 145203 mSolverCounterSat, 2.3s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 92368 GetRequests, 83894 SyntacticMatches, 7874 SemanticMatches, 600 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433316 ImplicationChecksByTransitivity, 65.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.4s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 45.1s InterpolantComputationTime, 8409 NumberOfCodeBlocks, 8409 NumberOfCodeBlocksAsserted, 110 NumberOfCheckSat, 8299 ConstructedInterpolants, 0 QuantifiedInterpolants, 24923 SizeOfPredicates, 550 NumberOfNonLiveVariables, 9964 ConjunctsInSsa, 610 ConjunctsInUnsatCore, 110 InterpolantComputations, 7 PerfectInterpolantSequences, 14865/63513 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((19 < counter) && (counter <= 20)) || ((counter <= 10) && (9 < counter))) || ((counter <= 17) && (16 < counter))) || ((counter <= 1) && (1 <= counter))) || ((counter <= 3) && (2 < counter))) || ((counter <= 13) && (12 < counter))) || ((counter <= 16) && (15 < counter))) || ((17 < counter) && (counter <= 18))) || ((counter <= 19) && (18 < counter))) || ((counter <= 5) && (4 < counter))) || ((counter <= 15) && (14 < counter))) || (counter == 0)) || ((counter <= 12) && (11 < counter))) || ((counter <= 14) && (13 < counter))) || ((counter <= 6) && (5 < counter))) || ((1 < counter) && (counter <= 2))) || ((8 < counter) && (counter <= 9))) || ((6 < counter) && (counter <= 7))) || ((10 < counter) && (counter <= 11))) || ((counter <= 4) && (3 < counter))) || ((7 < counter) && (counter <= 8))) - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.64ms. Allocated memory is still 138.4MB. Free memory was 97.7MB in the beginning and 85.9MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.39ms. Allocated memory is still 138.4MB. Free memory was 85.9MB in the beginning and 84.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.78ms. Allocated memory is still 138.4MB. Free memory was 84.3MB in the beginning and 83.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 377.23ms. Allocated memory is still 138.4MB. Free memory was 83.1MB in the beginning and 65.4MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 102506.39ms. Allocated memory was 138.4MB in the beginning and 786.4MB in the end (delta: 648.0MB). Free memory was 65.4MB in the beginning and 380.7MB in the end (delta: -315.3MB). Peak memory consumption was 333.6MB. Max. memory is 16.1GB. * Witness Printer took 96.55ms. Allocated memory is still 786.4MB. Free memory was 379.6MB in the beginning and 375.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 03:07:15,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7aaa6ff-da88-4fb9-8ad2-58daaf8f6984/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE