java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/real-life/threadpooling_product_WithoutIf.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2eb0a67 [2018-10-03 10:04:33,569 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 10:04:33,571 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 10:04:33,584 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 10:04:33,584 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 10:04:33,585 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 10:04:33,586 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 10:04:33,588 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 10:04:33,590 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 10:04:33,591 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 10:04:33,592 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-03 10:04:33,592 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-03 10:04:33,593 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-03 10:04:33,594 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-03 10:04:33,595 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-03 10:04:33,596 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-03 10:04:33,597 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-03 10:04:33,599 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-03 10:04:33,600 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-03 10:04:33,602 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-03 10:04:33,603 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-03 10:04:33,604 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-03 10:04:33,606 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-03 10:04:33,606 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-03 10:04:33,607 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-03 10:04:33,608 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-03 10:04:33,609 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-03 10:04:33,609 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-03 10:04:33,610 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-03 10:04:33,611 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-03 10:04:33,611 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-03 10:04:33,612 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-03 10:04:33,612 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-03 10:04:33,613 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-03 10:04:33,614 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-03 10:04:33,614 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-03 10:04:33,615 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-03 10:04:33,639 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 10:04:33,639 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 10:04:33,640 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 10:04:33,640 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 10:04:33,641 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 10:04:33,641 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 10:04:33,641 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 10:04:33,642 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 10:04:33,642 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 10:04:33,642 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 10:04:33,642 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 10:04:33,642 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 10:04:33,642 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 10:04:33,643 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 10:04:33,643 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 10:04:33,643 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 10:04:33,644 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 10:04:33,645 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-03 10:04:33,645 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-03 10:04:33,645 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-03 10:04:33,645 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 10:04:33,646 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 10:04:33,646 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 10:04:33,646 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 10:04:33,646 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 10:04:33,647 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 10:04:33,647 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-03 10:04:33,647 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 10:04:33,648 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 10:04:33,648 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 10:04:33,719 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 10:04:33,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 10:04:33,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 10:04:33,742 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 10:04:33,742 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 10:04:33,743 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithoutIf.bpl [2018-10-03 10:04:33,744 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithoutIf.bpl' [2018-10-03 10:04:33,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 10:04:33,804 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 10:04:33,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 10:04:33,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 10:04:33,805 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 10:04:33,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:04:33" (1/1) ... [2018-10-03 10:04:33,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:04:33" (1/1) ... [2018-10-03 10:04:33,843 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-03 10:04:33,843 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-03 10:04:33,843 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-03 10:04:33,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 10:04:33,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 10:04:33,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 10:04:33,847 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 10:04:33,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:04:33" (1/1) ... [2018-10-03 10:04:33,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:04:33" (1/1) ... [2018-10-03 10:04:33,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:04:33" (1/1) ... [2018-10-03 10:04:33,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:04:33" (1/1) ... [2018-10-03 10:04:33,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:04:33" (1/1) ... [2018-10-03 10:04:33,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:04:33" (1/1) ... [2018-10-03 10:04:33,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:04:33" (1/1) ... [2018-10-03 10:04:33,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 10:04:33,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 10:04:33,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 10:04:33,868 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 10:04:33,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:04:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 10:04:33,935 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-10-03 10:04:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-10-03 10:04:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-10-03 10:04:34,304 INFO L337 CfgBuilder]: Using library mode [2018-10-03 10:04:34,305 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:04:34 BoogieIcfgContainer [2018-10-03 10:04:34,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 10:04:34,307 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-03 10:04:34,307 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-03 10:04:34,335 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-03 10:04:34,336 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:04:34" (1/1) ... [2018-10-03 10:04:34,360 INFO L106 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-03 10:04:34,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:34,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2018-10-03 10:04:34,411 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2018-10-03 10:04:34,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-03 10:04:34,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:34,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:35,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:35,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 20 states and 34 transitions. [2018-10-03 10:04:35,082 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 34 transitions. [2018-10-03 10:04:35,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-03 10:04:35,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:35,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:35,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:35,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 23 states and 44 transitions. [2018-10-03 10:04:35,817 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 44 transitions. [2018-10-03 10:04:35,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-03 10:04:35,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:35,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:36,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:36,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 25 states and 51 transitions. [2018-10-03 10:04:36,414 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 51 transitions. [2018-10-03 10:04:36,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-03 10:04:36,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:36,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:37,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:37,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 29 states and 66 transitions. [2018-10-03 10:04:37,605 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 66 transitions. [2018-10-03 10:04:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-03 10:04:37,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:37,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:38,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:38,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 31 states and 76 transitions. [2018-10-03 10:04:38,731 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 76 transitions. [2018-10-03 10:04:38,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-03 10:04:38,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:38,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:40,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:40,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 32 states and 84 transitions. [2018-10-03 10:04:40,036 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 84 transitions. [2018-10-03 10:04:40,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-03 10:04:40,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:40,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:40,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:40,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 33 states and 92 transitions. [2018-10-03 10:04:40,726 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 92 transitions. [2018-10-03 10:04:40,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:04:40,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:40,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:42,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:42,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 37 states and 112 transitions. [2018-10-03 10:04:42,645 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 112 transitions. [2018-10-03 10:04:42,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:04:42,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:42,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:43,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:43,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 38 states and 117 transitions. [2018-10-03 10:04:43,989 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 117 transitions. [2018-10-03 10:04:43,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:04:43,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:46,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:46,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 45 states and 148 transitions. [2018-10-03 10:04:46,608 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 148 transitions. [2018-10-03 10:04:46,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:04:46,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:46,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:48,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:48,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 49 states and 175 transitions. [2018-10-03 10:04:48,549 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 175 transitions. [2018-10-03 10:04:48,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:04:48,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:48,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:50,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:50,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 53 states and 192 transitions. [2018-10-03 10:04:50,050 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 192 transitions. [2018-10-03 10:04:50,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:04:50,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:50,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:50,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:50,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 54 states and 199 transitions. [2018-10-03 10:04:50,665 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 199 transitions. [2018-10-03 10:04:50,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:04:50,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:50,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:50,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:50,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 56 states and 203 transitions. [2018-10-03 10:04:50,866 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 203 transitions. [2018-10-03 10:04:50,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:04:50,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:51,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:52,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:52,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 59 states and 222 transitions. [2018-10-03 10:04:52,436 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 222 transitions. [2018-10-03 10:04:52,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:04:52,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:52,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:55,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:55,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 62 states and 233 transitions. [2018-10-03 10:04:55,032 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 233 transitions. [2018-10-03 10:04:55,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:04:55,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:55,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:55,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:55,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 63 states and 241 transitions. [2018-10-03 10:04:55,872 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 241 transitions. [2018-10-03 10:04:55,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:04:55,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:56,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:59,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:59,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 67 states and 271 transitions. [2018-10-03 10:04:59,135 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 271 transitions. [2018-10-03 10:04:59,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:04:59,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:59,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:00,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:00,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 70 states and 290 transitions. [2018-10-03 10:05:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 290 transitions. [2018-10-03 10:05:00,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:05:00,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:01,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:04,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:04,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 74 states and 326 transitions. [2018-10-03 10:05:04,573 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 326 transitions. [2018-10-03 10:05:04,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:05:04,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:04,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:08,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:08,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 78 states and 349 transitions. [2018-10-03 10:05:08,159 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 349 transitions. [2018-10-03 10:05:08,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:05:08,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:08,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:10,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:10,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 81 states and 374 transitions. [2018-10-03 10:05:10,849 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 374 transitions. [2018-10-03 10:05:10,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:05:10,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:10,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:13,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:13,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 84 states and 398 transitions. [2018-10-03 10:05:13,015 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 398 transitions. [2018-10-03 10:05:13,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:05:13,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:13,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:15,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:15,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 87 states and 415 transitions. [2018-10-03 10:05:15,364 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 415 transitions. [2018-10-03 10:05:15,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:05:15,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:15,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:16,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:16,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 89 states and 421 transitions. [2018-10-03 10:05:16,681 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 421 transitions. [2018-10-03 10:05:16,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:05:16,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:16,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:18,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:18,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 90 states and 433 transitions. [2018-10-03 10:05:18,072 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 433 transitions. [2018-10-03 10:05:18,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:05:18,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:18,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:19,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:19,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 92 states and 438 transitions. [2018-10-03 10:05:19,374 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 438 transitions. [2018-10-03 10:05:19,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:05:19,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:19,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:20,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:20,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 93 states and 444 transitions. [2018-10-03 10:05:20,705 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 444 transitions. [2018-10-03 10:05:20,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:05:20,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:20,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:21,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:21,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 94 states and 448 transitions. [2018-10-03 10:05:21,631 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 448 transitions. [2018-10-03 10:05:21,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:05:21,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:21,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:23,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:23,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 96 states and 462 transitions. [2018-10-03 10:05:23,198 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 462 transitions. [2018-10-03 10:05:23,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:05:23,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:23,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:24,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:24,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 98 states and 467 transitions. [2018-10-03 10:05:24,706 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 467 transitions. [2018-10-03 10:05:24,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:05:24,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:25,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:27,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:27,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 100 states and 473 transitions. [2018-10-03 10:05:27,798 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 473 transitions. [2018-10-03 10:05:27,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 10:05:27,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:27,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:28,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:28,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 101 states and 477 transitions. [2018-10-03 10:05:28,754 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 477 transitions. [2018-10-03 10:05:28,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 10:05:28,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:29,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:33,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:33,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 106 states and 522 transitions. [2018-10-03 10:05:33,248 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 522 transitions. [2018-10-03 10:05:33,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 10:05:33,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:33,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:34,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:34,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 107 states and 531 transitions. [2018-10-03 10:05:34,288 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 531 transitions. [2018-10-03 10:05:34,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 10:05:34,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:34,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:38,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:38,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 112 states and 567 transitions. [2018-10-03 10:05:38,951 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 567 transitions. [2018-10-03 10:05:38,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 10:05:38,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:39,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:43,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:43,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 116 states and 591 transitions. [2018-10-03 10:05:43,849 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 591 transitions. [2018-10-03 10:05:43,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 10:05:43,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:43,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:45,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:45,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 117 states and 599 transitions. [2018-10-03 10:05:45,043 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 599 transitions. [2018-10-03 10:05:45,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 10:05:45,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:45,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:48,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:48,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 119 states and 613 transitions. [2018-10-03 10:05:48,240 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 613 transitions. [2018-10-03 10:05:48,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 10:05:48,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:48,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:49,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:49,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 120 states and 621 transitions. [2018-10-03 10:05:49,463 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 621 transitions. [2018-10-03 10:05:49,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 10:05:49,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:49,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:50,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:50,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 121 states and 628 transitions. [2018-10-03 10:05:50,698 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 628 transitions. [2018-10-03 10:05:50,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 10:05:50,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:50,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:55,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:55,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 125 states and 659 transitions. [2018-10-03 10:05:55,584 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 659 transitions. [2018-10-03 10:05:55,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 10:05:55,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:55,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:57,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:57,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 126 states and 670 transitions. [2018-10-03 10:05:57,343 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 670 transitions. [2018-10-03 10:05:57,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 10:05:57,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:57,494 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:59,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:59,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 128 states and 679 transitions. [2018-10-03 10:05:59,783 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 679 transitions. [2018-10-03 10:05:59,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 10:05:59,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:59,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:03,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:03,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 131 states and 707 transitions. [2018-10-03 10:06:03,011 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 707 transitions. [2018-10-03 10:06:03,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 10:06:03,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:03,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:06,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:06,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 134 states and 730 transitions. [2018-10-03 10:06:06,172 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 730 transitions. [2018-10-03 10:06:06,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 10:06:06,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:06,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:08,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:08,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 136 states and 737 transitions. [2018-10-03 10:06:08,707 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 737 transitions. [2018-10-03 10:06:08,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 10:06:08,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:08,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:12,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:12,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 139 states and 754 transitions. [2018-10-03 10:06:12,499 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 754 transitions. [2018-10-03 10:06:12,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:06:12,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:13,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:16,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:16,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 139 states and 751 transitions. [2018-10-03 10:06:16,426 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 751 transitions. [2018-10-03 10:06:16,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:06:16,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:16,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:20,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:20,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 141 states and 749 transitions. [2018-10-03 10:06:20,683 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 749 transitions. [2018-10-03 10:06:20,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:06:20,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:20,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:25,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:25,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 146 states and 789 transitions. [2018-10-03 10:06:25,809 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 789 transitions. [2018-10-03 10:06:25,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:06:25,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:26,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:30,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:30,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 149 states and 812 transitions. [2018-10-03 10:06:30,931 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 812 transitions. [2018-10-03 10:06:30,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:06:30,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:31,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:37,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:37,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 152 states and 845 transitions. [2018-10-03 10:06:37,995 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 845 transitions. [2018-10-03 10:06:37,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:06:37,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:38,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:39,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:39,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 153 states and 856 transitions. [2018-10-03 10:06:39,854 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 856 transitions. [2018-10-03 10:06:39,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:06:39,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:39,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:41,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:41,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 154 states and 866 transitions. [2018-10-03 10:06:41,835 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 866 transitions. [2018-10-03 10:06:41,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:06:41,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:41,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:44,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:44,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 157 states and 892 transitions. [2018-10-03 10:06:44,019 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 892 transitions. [2018-10-03 10:06:44,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:06:44,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:44,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:48,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:48,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 159 states and 897 transitions. [2018-10-03 10:06:48,248 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 897 transitions. [2018-10-03 10:06:48,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:06:48,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:48,449 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:51,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:51,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 160 states and 899 transitions. [2018-10-03 10:06:51,617 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 899 transitions. [2018-10-03 10:06:51,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:06:51,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:51,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:53,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:53,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 162 states and 905 transitions. [2018-10-03 10:06:53,738 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 905 transitions. [2018-10-03 10:06:53,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:06:53,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:54,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:57,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 162 states and 904 transitions. [2018-10-03 10:06:57,327 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 904 transitions. [2018-10-03 10:06:57,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:06:57,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:01,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:01,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 164 states and 910 transitions. [2018-10-03 10:07:01,190 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 910 transitions. [2018-10-03 10:07:01,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:07:01,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:01,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:07,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:07,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 169 states and 955 transitions. [2018-10-03 10:07:07,496 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 955 transitions. [2018-10-03 10:07:07,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:07:07,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:07,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:13,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:13,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 173 states and 990 transitions. [2018-10-03 10:07:13,457 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 990 transitions. [2018-10-03 10:07:13,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:07:13,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:14,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:19,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:19,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 174 states and 1017 transitions. [2018-10-03 10:07:19,344 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 1017 transitions. [2018-10-03 10:07:19,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:07:19,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:20,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:31,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:31,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 181 states and 1075 transitions. [2018-10-03 10:07:31,203 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 1075 transitions. [2018-10-03 10:07:31,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:07:31,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:38,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:38,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 184 states and 1101 transitions. [2018-10-03 10:07:38,999 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 1101 transitions. [2018-10-03 10:07:39,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:07:39,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:39,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:43,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 187 states and 1131 transitions. [2018-10-03 10:07:43,299 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 1131 transitions. [2018-10-03 10:07:43,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:07:43,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:43,513 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-03 10:07:45,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:45,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 188 states and 1149 transitions. [2018-10-03 10:07:45,799 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 1149 transitions. [2018-10-03 10:07:45,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:07:45,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:45,810 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:47,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:47,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 189 states and 1154 transitions. [2018-10-03 10:07:47,786 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 1154 transitions. [2018-10-03 10:07:47,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:07:47,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:47,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:49,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:49,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 190 states and 1172 transitions. [2018-10-03 10:07:49,916 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 1172 transitions. [2018-10-03 10:07:49,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:07:49,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:49,929 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-03 10:07:52,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:52,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 191 states and 1190 transitions. [2018-10-03 10:07:52,069 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 1190 transitions. [2018-10-03 10:07:52,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:07:52,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:52,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:55,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:55,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 193 states and 1194 transitions. [2018-10-03 10:07:55,026 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 1194 transitions. [2018-10-03 10:07:55,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:07:55,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:55,050 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:57,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:57,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 194 states and 1199 transitions. [2018-10-03 10:07:57,120 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 1199 transitions. [2018-10-03 10:07:57,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:07:57,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:59,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:59,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 195 states and 1205 transitions. [2018-10-03 10:07:59,307 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 1205 transitions. [2018-10-03 10:07:59,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:07:59,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:59,326 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-03 10:08:02,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:02,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 195 states and 1195 transitions. [2018-10-03 10:08:02,624 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 1195 transitions. [2018-10-03 10:08:02,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:08:02,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:02,637 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:08:04,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:04,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 196 states and 1204 transitions. [2018-10-03 10:08:04,693 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 1204 transitions. [2018-10-03 10:08:04,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:08:04,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:04,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-03 10:08:08,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:08,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 196 states and 1203 transitions. [2018-10-03 10:08:08,153 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 1203 transitions. [2018-10-03 10:08:08,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:08:08,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:08,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:08:13,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:13,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 199 states and 1247 transitions. [2018-10-03 10:08:13,908 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 1247 transitions. [2018-10-03 10:08:13,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:08:13,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:13,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:08:16,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:16,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 200 states and 1256 transitions. [2018-10-03 10:08:16,665 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 1256 transitions. [2018-10-03 10:08:16,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 10:08:16,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:17,410 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:08:30,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:30,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 207 states and 1313 transitions. [2018-10-03 10:08:30,438 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 1313 transitions. [2018-10-03 10:08:30,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 10:08:30,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:31,501 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:08:43,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:43,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 213 states and 1364 transitions. [2018-10-03 10:08:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 1364 transitions. [2018-10-03 10:08:43,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 10:08:43,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:43,958 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:08:54,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:54,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 219 states and 1438 transitions. [2018-10-03 10:08:54,803 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 1438 transitions. [2018-10-03 10:08:54,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 10:08:54,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:54,840 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown