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.epf -i ../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 10:47:18,517 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 10:47:18,519 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 10:47:18,531 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 10:47:18,532 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 10:47:18,533 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 10:47:18,534 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 10:47:18,536 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 10:47:18,538 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 10:47:18,539 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 10:47:18,540 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 10:47:18,540 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 10:47:18,541 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 10:47:18,542 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 10:47:18,543 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 10:47:18,544 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 10:47:18,545 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 10:47:18,547 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 10:47:18,548 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 10:47:18,550 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 10:47:18,551 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 10:47:18,553 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 10:47:18,555 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 10:47:18,555 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 10:47:18,556 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 10:47:18,557 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 10:47:18,558 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 10:47:18,559 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 10:47:18,560 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 10:47:18,561 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 10:47:18,561 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 10:47:18,562 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 10:47:18,562 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 10:47:18,562 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 10:47:18,563 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 10:47:18,564 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 10:47:18,564 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-28 10:47:18,580 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 10:47:18,580 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 10:47:18,581 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 10:47:18,581 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 10:47:18,582 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 10:47:18,582 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 10:47:18,582 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 10:47:18,582 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 10:47:18,583 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 10:47:18,583 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 10:47:18,583 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 10:47:18,583 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 10:47:18,583 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 10:47:18,583 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 10:47:18,584 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 10:47:18,584 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 10:47:18,584 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 10:47:18,584 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 10:47:18,584 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 10:47:18,585 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 10:47:18,585 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 10:47:18,585 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 10:47:18,585 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 10:47:18,586 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 10:47:18,586 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 10:47:18,586 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 10:47:18,586 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 10:47:18,586 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 10:47:18,586 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 10:47:18,633 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 10:47:18,646 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 10:47:18,650 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 10:47:18,652 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 10:47:18,652 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 10:47:18,653 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl [2018-09-28 10:47:18,653 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl' [2018-09-28 10:47:18,712 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 10:47:18,715 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 10:47:18,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 10:47:18,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 10:47:18,716 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 10:47:18,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:18" (1/1) ... [2018-09-28 10:47:18,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:18" (1/1) ... [2018-09-28 10:47:18,756 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-28 10:47:18,756 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-28 10:47:18,757 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-28 10:47:18,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 10:47:18,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 10:47:18,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 10:47:18,760 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 10:47:18,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:18" (1/1) ... [2018-09-28 10:47:18,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:18" (1/1) ... [2018-09-28 10:47:18,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:18" (1/1) ... [2018-09-28 10:47:18,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:18" (1/1) ... [2018-09-28 10:47:18,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:18" (1/1) ... [2018-09-28 10:47:18,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:18" (1/1) ... [2018-09-28 10:47:18,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:18" (1/1) ... [2018-09-28 10:47:18,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 10:47:18,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 10:47:18,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 10:47:18,796 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 10:47:18,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:18" (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 [2018-09-28 10:47:18,880 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-09-28 10:47:18,880 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-09-28 10:47:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-09-28 10:47:19,564 INFO L350 CfgBuilder]: Using library mode [2018-09-28 10:47:19,565 INFO L202 PluginConnector]: Adding new model threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:47:19 BoogieIcfgContainer [2018-09-28 10:47:19,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 10:47:19,566 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 10:47:19,567 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 10:47:19,580 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 10:47:19,580 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:47:19" (1/1) ... [2018-09-28 10:47:19,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:47:19,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:19,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 16 states and 31 transitions. [2018-09-28 10:47:19,640 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 31 transitions. [2018-09-28 10:47:19,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-28 10:47:19,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:19,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:20,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:20,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 19 states and 45 transitions. [2018-09-28 10:47:20,125 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 45 transitions. [2018-09-28 10:47:20,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-28 10:47:20,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:20,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:20,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 22 states and 61 transitions. [2018-09-28 10:47:20,956 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 61 transitions. [2018-09-28 10:47:20,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 10:47:20,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:20,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:21,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:21,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 24 states and 73 transitions. [2018-09-28 10:47:21,058 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 73 transitions. [2018-09-28 10:47:21,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 10:47:21,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:21,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:21,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:21,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 27 states and 90 transitions. [2018-09-28 10:47:21,949 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 90 transitions. [2018-09-28 10:47:21,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 10:47:21,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:22,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:22,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:22,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 30 states and 112 transitions. [2018-09-28 10:47:22,747 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 112 transitions. [2018-09-28 10:47:22,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 10:47:22,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:22,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:23,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:23,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 31 states and 118 transitions. [2018-09-28 10:47:23,066 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 118 transitions. [2018-09-28 10:47:23,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 10:47:23,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:23,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:23,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:23,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 33 states and 131 transitions. [2018-09-28 10:47:23,584 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 131 transitions. [2018-09-28 10:47:23,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 10:47:23,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:23,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:24,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:24,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 37 states and 152 transitions. [2018-09-28 10:47:24,231 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 152 transitions. [2018-09-28 10:47:24,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 10:47:24,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:24,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:24,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:24,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 38 states and 157 transitions. [2018-09-28 10:47:24,459 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 157 transitions. [2018-09-28 10:47:24,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 10:47:24,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:24,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:25,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:25,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 42 states and 182 transitions. [2018-09-28 10:47:25,585 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 182 transitions. [2018-09-28 10:47:25,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 10:47:25,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:25,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:26,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:26,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 43 states and 189 transitions. [2018-09-28 10:47:26,294 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 189 transitions. [2018-09-28 10:47:26,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 10:47:26,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:26,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:27,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:27,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 44 states and 198 transitions. [2018-09-28 10:47:27,214 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 198 transitions. [2018-09-28 10:47:27,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 10:47:27,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:27,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:27,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:27,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 45 states and 202 transitions. [2018-09-28 10:47:27,474 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 202 transitions. [2018-09-28 10:47:27,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 10:47:27,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:27,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:29,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:29,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 48 states and 223 transitions. [2018-09-28 10:47:29,007 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 223 transitions. [2018-09-28 10:47:29,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 10:47:29,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:29,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:30,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:30,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 51 states and 250 transitions. [2018-09-28 10:47:30,351 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 250 transitions. [2018-09-28 10:47:30,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 10:47:30,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:30,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:31,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:31,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 53 states and 276 transitions. [2018-09-28 10:47:31,326 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 276 transitions. [2018-09-28 10:47:31,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 10:47:31,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:31,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:31,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:32,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 55 states and 302 transitions. [2018-09-28 10:47:32,001 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 302 transitions. [2018-09-28 10:47:32,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 10:47:32,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:32,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:32,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:32,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 56 states and 319 transitions. [2018-09-28 10:47:32,627 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 319 transitions. [2018-09-28 10:47:32,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:47:32,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:33,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:34,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:34,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 58 states and 339 transitions. [2018-09-28 10:47:34,043 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 339 transitions. [2018-09-28 10:47:34,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:47:34,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:34,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:34,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:34,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 59 states and 345 transitions. [2018-09-28 10:47:34,450 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 345 transitions. [2018-09-28 10:47:34,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:47:34,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:34,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:35,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:35,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 61 states and 363 transitions. [2018-09-28 10:47:35,838 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 363 transitions. [2018-09-28 10:47:35,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:47:35,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:36,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:37,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:37,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 63 states and 387 transitions. [2018-09-28 10:47:37,017 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 387 transitions. [2018-09-28 10:47:37,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:47:37,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:37,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:37,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:37,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 64 states and 396 transitions. [2018-09-28 10:47:37,417 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 396 transitions. [2018-09-28 10:47:37,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:47:37,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:37,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:37,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:37,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 65 states and 411 transitions. [2018-09-28 10:47:37,891 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 411 transitions. [2018-09-28 10:47:37,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:47:37,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:38,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:39,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:39,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 67 states and 425 transitions. [2018-09-28 10:47:39,126 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 425 transitions. [2018-09-28 10:47:39,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:47:39,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:39,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:39,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:39,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 68 states and 437 transitions. [2018-09-28 10:47:39,827 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 437 transitions. [2018-09-28 10:47:39,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:47:39,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:39,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:40,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:40,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 69 states and 452 transitions. [2018-09-28 10:47:40,403 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 452 transitions. [2018-09-28 10:47:40,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:47:40,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:42,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:42,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 71 states and 477 transitions. [2018-09-28 10:47:42,194 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 477 transitions. [2018-09-28 10:47:42,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:47:42,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:42,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:42,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:42,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 72 states and 486 transitions. [2018-09-28 10:47:42,777 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 486 transitions. [2018-09-28 10:47:42,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:47:42,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:42,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:47:43,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:43,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 73 states and 496 transitions. [2018-09-28 10:47:43,750 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 496 transitions. [2018-09-28 10:47:43,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:47:43,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:44,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:46,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:46,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 76 states and 541 transitions. [2018-09-28 10:47:46,528 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 541 transitions. [2018-09-28 10:47:46,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:47:46,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:46,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:47,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:47,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 77 states and 559 transitions. [2018-09-28 10:47:47,197 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 559 transitions. [2018-09-28 10:47:47,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:47:47,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:47,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:50,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:50,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 81 states and 601 transitions. [2018-09-28 10:47:50,129 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 601 transitions. [2018-09-28 10:47:50,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:47:50,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:50,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:50,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:50,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 82 states and 605 transitions. [2018-09-28 10:47:50,640 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 605 transitions. [2018-09-28 10:47:50,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:47:50,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:50,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:51,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:51,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 83 states and 624 transitions. [2018-09-28 10:47:51,441 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 624 transitions. [2018-09-28 10:47:51,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:47:51,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:51,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:54,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:54,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 86 states and 665 transitions. [2018-09-28 10:47:54,274 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 665 transitions. [2018-09-28 10:47:54,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:47:54,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:54,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:55,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:55,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 88 states and 698 transitions. [2018-09-28 10:47:55,431 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 698 transitions. [2018-09-28 10:47:55,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:47:55,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:55,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:56,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:56,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 89 states and 703 transitions. [2018-09-28 10:47:56,195 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 703 transitions. [2018-09-28 10:47:56,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:47:56,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:57,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:57,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:57,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 90 states and 711 transitions. [2018-09-28 10:47:57,865 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 711 transitions. [2018-09-28 10:47:57,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:47:57,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:57,920 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:47:58,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:58,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 91 states and 720 transitions. [2018-09-28 10:47:58,524 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 720 transitions. [2018-09-28 10:47:58,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:47:58,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:58,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:00,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:00,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 93 states and 750 transitions. [2018-09-28 10:48:00,388 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 750 transitions. [2018-09-28 10:48:00,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:48:00,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:00,399 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:48:01,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:01,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 94 states and 757 transitions. [2018-09-28 10:48:01,073 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 757 transitions. [2018-09-28 10:48:01,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:48:01,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:01,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:02,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:02,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 97 states and 791 transitions. [2018-09-28 10:48:02,926 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 791 transitions. [2018-09-28 10:48:02,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:48:02,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:02,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:04,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:04,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 99 states and 818 transitions. [2018-09-28 10:48:04,382 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 818 transitions. [2018-09-28 10:48:04,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:48:04,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:04,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:05,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:05,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 100 states and 822 transitions. [2018-09-28 10:48:05,820 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 822 transitions. [2018-09-28 10:48:05,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:48:05,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:06,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:08,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:08,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 102 states and 847 transitions. [2018-09-28 10:48:08,238 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 847 transitions. [2018-09-28 10:48:08,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:48:08,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:08,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:09,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:09,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 103 states and 867 transitions. [2018-09-28 10:48:09,269 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 867 transitions. [2018-09-28 10:48:09,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:48:09,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:09,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:10,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:10,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 104 states and 879 transitions. [2018-09-28 10:48:10,043 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 879 transitions. [2018-09-28 10:48:10,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:48:10,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:10,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:11,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:11,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 105 states and 895 transitions. [2018-09-28 10:48:11,360 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 895 transitions. [2018-09-28 10:48:11,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:48:11,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:11,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:12,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:12,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 106 states and 912 transitions. [2018-09-28 10:48:12,029 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 912 transitions. [2018-09-28 10:48:12,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:48:12,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:12,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:12,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:12,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 107 states and 936 transitions. [2018-09-28 10:48:12,777 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 936 transitions. [2018-09-28 10:48:12,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:48:12,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:13,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:16,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:16,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 109 states and 973 transitions. [2018-09-28 10:48:16,452 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 973 transitions. [2018-09-28 10:48:16,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:48:16,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:16,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:17,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 111 states and 990 transitions. [2018-09-28 10:48:17,892 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 990 transitions. [2018-09-28 10:48:17,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:48:17,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:17,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:18,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:18,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 112 states and 995 transitions. [2018-09-28 10:48:18,798 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 995 transitions. [2018-09-28 10:48:18,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:48:18,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:18,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:19,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:19,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 113 states and 1009 transitions. [2018-09-28 10:48:19,949 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 1009 transitions. [2018-09-28 10:48:19,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:48:19,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:19,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:20,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:20,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 114 states and 1019 transitions. [2018-09-28 10:48:20,837 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 1019 transitions. [2018-09-28 10:48:20,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:48:20,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:21,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:23,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:23,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 116 states and 1049 transitions. [2018-09-28 10:48:23,222 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 1049 transitions. [2018-09-28 10:48:23,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:48:23,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:23,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:24,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:24,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 118 states and 1077 transitions. [2018-09-28 10:48:24,901 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 1077 transitions. [2018-09-28 10:48:24,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:48:24,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:25,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:48:25,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:25,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 119 states and 1081 transitions. [2018-09-28 10:48:25,818 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 1081 transitions. [2018-09-28 10:48:25,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:25,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:26,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:26,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 120 states and 1095 transitions. [2018-09-28 10:48:26,880 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 1095 transitions. [2018-09-28 10:48:26,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:26,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:27,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:27,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:27,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 121 states and 1119 transitions. [2018-09-28 10:48:27,808 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 1119 transitions. [2018-09-28 10:48:27,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:27,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:27,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:48:29,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:29,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 123 states and 1139 transitions. [2018-09-28 10:48:29,527 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 1139 transitions. [2018-09-28 10:48:29,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:29,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:31,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:31,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 125 states and 1199 transitions. [2018-09-28 10:48:31,516 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 1199 transitions. [2018-09-28 10:48:31,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:31,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:31,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:32,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:32,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 126 states and 1222 transitions. [2018-09-28 10:48:32,684 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 1222 transitions. [2018-09-28 10:48:32,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:32,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:32,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:48:33,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:33,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 127 states and 1238 transitions. [2018-09-28 10:48:33,490 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 1238 transitions. [2018-09-28 10:48:33,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:33,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:33,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:48:34,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:34,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 128 states and 1256 transitions. [2018-09-28 10:48:34,183 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 1256 transitions. [2018-09-28 10:48:34,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:34,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:34,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:35,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 129 states and 1276 transitions. [2018-09-28 10:48:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 1276 transitions. [2018-09-28 10:48:35,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:35,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:35,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:36,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:36,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 130 states and 1288 transitions. [2018-09-28 10:48:36,127 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 1288 transitions. [2018-09-28 10:48:36,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:36,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:36,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:37,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:37,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 132 states and 1306 transitions. [2018-09-28 10:48:37,287 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 1306 transitions. [2018-09-28 10:48:37,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:37,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:37,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:48:40,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:40,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 134 states and 1329 transitions. [2018-09-28 10:48:40,188 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 1329 transitions. [2018-09-28 10:48:40,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:40,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:40,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:48:40,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:40,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 135 states and 1335 transitions. [2018-09-28 10:48:40,845 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 1335 transitions. [2018-09-28 10:48:40,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:40,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:40,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:41,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:41,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 136 states and 1353 transitions. [2018-09-28 10:48:41,596 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 1353 transitions. [2018-09-28 10:48:41,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:41,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:41,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:48:42,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:42,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 137 states and 1362 transitions. [2018-09-28 10:48:42,598 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 1362 transitions. [2018-09-28 10:48:42,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:42,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:42,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:48:43,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:43,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 138 states and 1381 transitions. [2018-09-28 10:48:43,662 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 1381 transitions. [2018-09-28 10:48:43,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:43,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:43,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:45,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:45,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 139 states and 1396 transitions. [2018-09-28 10:48:45,141 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 1396 transitions. [2018-09-28 10:48:45,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:45,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:45,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:48:46,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:46,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 140 states and 1405 transitions. [2018-09-28 10:48:46,133 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 1405 transitions. [2018-09-28 10:48:46,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:46,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:46,577 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:49,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:49,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 143 states and 1445 transitions. [2018-09-28 10:48:49,097 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 1445 transitions. [2018-09-28 10:48:49,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:49,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:49,250 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:50,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:50,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 144 states and 1479 transitions. [2018-09-28 10:48:50,501 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 1479 transitions. [2018-09-28 10:48:50,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:50,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:50,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:51,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:51,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 145 states and 1498 transitions. [2018-09-28 10:48:51,514 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 1498 transitions. [2018-09-28 10:48:51,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:51,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:51,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:48:52,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:52,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 146 states and 1520 transitions. [2018-09-28 10:48:52,569 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 1520 transitions. [2018-09-28 10:48:52,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:52,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:52,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:48:53,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:53,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 147 states and 1535 transitions. [2018-09-28 10:48:53,554 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 1535 transitions. [2018-09-28 10:48:53,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:53,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:53,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:48:54,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:54,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 148 states and 1550 transitions. [2018-09-28 10:48:54,640 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 1550 transitions. [2018-09-28 10:48:54,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:54,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:54,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:48:55,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:55,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 149 states and 1559 transitions. [2018-09-28 10:48:55,835 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 1559 transitions. [2018-09-28 10:48:55,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:55,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:56,376 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:58,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:58,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 150 states and 1571 transitions. [2018-09-28 10:48:58,815 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 1571 transitions. [2018-09-28 10:48:58,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:48:58,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:59,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:01,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:01,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 152 states and 1595 transitions. [2018-09-28 10:49:01,666 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 1595 transitions. [2018-09-28 10:49:01,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:01,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:01,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:02,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:02,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 153 states and 1605 transitions. [2018-09-28 10:49:02,729 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 1605 transitions. [2018-09-28 10:49:02,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:02,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:02,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:49:04,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:04,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 155 states and 1628 transitions. [2018-09-28 10:49:04,999 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 1628 transitions. [2018-09-28 10:49:05,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:05,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:05,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:49:06,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:06,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 156 states and 1643 transitions. [2018-09-28 10:49:06,781 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 1643 transitions. [2018-09-28 10:49:06,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:06,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:06,787 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:07,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:07,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 157 states and 1655 transitions. [2018-09-28 10:49:07,905 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 1655 transitions. [2018-09-28 10:49:07,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:07,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:07,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:08,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:08,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 158 states and 1669 transitions. [2018-09-28 10:49:08,868 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 1669 transitions. [2018-09-28 10:49:08,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:08,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:09,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:49:13,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:13,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 161 states and 1722 transitions. [2018-09-28 10:49:13,597 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 1722 transitions. [2018-09-28 10:49:13,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:13,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:13,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:49:14,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:14,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 162 states and 1750 transitions. [2018-09-28 10:49:14,669 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 1750 transitions. [2018-09-28 10:49:14,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:14,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:15,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:19,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:19,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 166 states and 1788 transitions. [2018-09-28 10:49:19,438 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 1788 transitions. [2018-09-28 10:49:19,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:19,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:19,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:49:20,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:20,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 167 states and 1804 transitions. [2018-09-28 10:49:20,476 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 1804 transitions. [2018-09-28 10:49:20,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:20,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:20,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:21,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:21,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 168 states and 1816 transitions. [2018-09-28 10:49:21,705 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 1816 transitions. [2018-09-28 10:49:21,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:21,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:21,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:49:22,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:22,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 169 states and 1823 transitions. [2018-09-28 10:49:22,454 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 1823 transitions. [2018-09-28 10:49:22,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:22,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:22,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:49:23,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:23,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 170 states and 1829 transitions. [2018-09-28 10:49:23,157 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 1829 transitions. [2018-09-28 10:49:23,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:23,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:23,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:23,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:23,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 171 states and 1831 transitions. [2018-09-28 10:49:23,833 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 1831 transitions. [2018-09-28 10:49:23,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:23,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:23,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:49:25,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:25,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 173 states and 1839 transitions. [2018-09-28 10:49:25,644 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 1839 transitions. [2018-09-28 10:49:25,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:25,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:25,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:26,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:26,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 174 states and 1852 transitions. [2018-09-28 10:49:26,807 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 1852 transitions. [2018-09-28 10:49:26,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:26,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:26,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:27,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 175 states and 1866 transitions. [2018-09-28 10:49:27,997 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 1866 transitions. [2018-09-28 10:49:27,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:27,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:28,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:30,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:30,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 177 states and 1916 transitions. [2018-09-28 10:49:30,529 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 1916 transitions. [2018-09-28 10:49:30,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:30,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:31,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:33,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:33,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 179 states and 1943 transitions. [2018-09-28 10:49:33,708 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 1943 transitions. [2018-09-28 10:49:33,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:33,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:33,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:35,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:35,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 180 states and 1965 transitions. [2018-09-28 10:49:35,029 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 1965 transitions. [2018-09-28 10:49:35,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:35,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:35,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:49:36,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:36,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 181 states and 1999 transitions. [2018-09-28 10:49:36,638 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 1999 transitions. [2018-09-28 10:49:36,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:36,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:36,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:39,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:39,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 183 states and 2024 transitions. [2018-09-28 10:49:39,625 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 2024 transitions. [2018-09-28 10:49:39,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:39,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:39,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:40,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:40,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 184 states and 2029 transitions. [2018-09-28 10:49:40,844 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 2029 transitions. [2018-09-28 10:49:40,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:40,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:40,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:49:41,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:41,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2033 states to 185 states and 2033 transitions. [2018-09-28 10:49:41,862 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 2033 transitions. [2018-09-28 10:49:41,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:41,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:41,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:43,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:43,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 186 states and 2035 transitions. [2018-09-28 10:49:43,301 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 2035 transitions. [2018-09-28 10:49:43,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:43,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:43,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:44,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:44,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 187 states and 2068 transitions. [2018-09-28 10:49:44,567 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 2068 transitions. [2018-09-28 10:49:44,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:44,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:44,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:45,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:45,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 188 states and 2092 transitions. [2018-09-28 10:49:45,733 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 2092 transitions. [2018-09-28 10:49:45,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:45,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:47,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:47,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 189 states and 2098 transitions. [2018-09-28 10:49:47,875 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 2098 transitions. [2018-09-28 10:49:47,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:47,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:47,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:49,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:49,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 190 states and 2114 transitions. [2018-09-28 10:49:49,278 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 2114 transitions. [2018-09-28 10:49:49,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:49,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:49,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:50,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:50,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 191 states and 2126 transitions. [2018-09-28 10:49:50,425 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 2126 transitions. [2018-09-28 10:49:50,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:50,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:50,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:52,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:52,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2143 states to 192 states and 2143 transitions. [2018-09-28 10:49:52,191 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 2143 transitions. [2018-09-28 10:49:52,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:52,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:52,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:53,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:53,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 193 states and 2152 transitions. [2018-09-28 10:49:53,654 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 2152 transitions. [2018-09-28 10:49:53,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:53,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:53,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:49:54,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:54,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 194 states and 2154 transitions. [2018-09-28 10:49:54,837 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 2154 transitions. [2018-09-28 10:49:54,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:54,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:54,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:49:56,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:56,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 195 states and 2164 transitions. [2018-09-28 10:49:56,162 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 2164 transitions. [2018-09-28 10:49:56,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:56,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:56,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:49:57,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:57,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 196 states and 2171 transitions. [2018-09-28 10:49:57,641 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 2171 transitions. [2018-09-28 10:49:57,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:49:57,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:58,059 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:50:00,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:00,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 198 states and 2203 transitions. [2018-09-28 10:50:00,732 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 2203 transitions. [2018-09-28 10:50:00,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:50:00,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:00,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:50:02,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:02,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 199 states and 2214 transitions. [2018-09-28 10:50:02,206 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 2214 transitions. [2018-09-28 10:50:02,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:50:02,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:02,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:50:03,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:03,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 200 states and 2225 transitions. [2018-09-28 10:50:03,426 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 2225 transitions. [2018-09-28 10:50:03,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:50:03,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:03,431 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:50:04,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:04,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2237 states to 201 states and 2237 transitions. [2018-09-28 10:50:04,695 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 2237 transitions. [2018-09-28 10:50:04,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:50:04,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:04,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:50:07,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:07,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 203 states and 2252 transitions. [2018-09-28 10:50:07,059 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 2252 transitions. [2018-09-28 10:50:07,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:50:07,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:07,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:50:07,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:07,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 204 states and 2254 transitions. [2018-09-28 10:50:07,952 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 2254 transitions. [2018-09-28 10:50:07,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:50:07,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:08,192 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:50:10,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:10,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2284 states to 206 states and 2284 transitions. [2018-09-28 10:50:10,546 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 2284 transitions. [2018-09-28 10:50:10,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:50:10,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:10,550 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:50:11,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:11,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 207 states and 2296 transitions. [2018-09-28 10:50:11,763 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 2296 transitions. [2018-09-28 10:50:11,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:50:11,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:11,768 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-28 10:50:14,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:14,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 209 states and 2311 transitions. [2018-09-28 10:50:14,384 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 2311 transitions. [2018-09-28 10:50:14,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:50:14,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:14,896 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:50:17,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 211 states and 2331 transitions. [2018-09-28 10:50:17,763 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 2331 transitions. [2018-09-28 10:50:17,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:50:17,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:17,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:50:19,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:19,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 212 states and 2341 transitions. [2018-09-28 10:50:19,234 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 2341 transitions. [2018-09-28 10:50:19,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:50:19,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:19,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:50:21,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:21,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 213 states and 2349 transitions. [2018-09-28 10:50:21,347 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 2349 transitions. [2018-09-28 10:50:21,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:50:21,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:21,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:50:23,238 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-09-28 10:50:24,941 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-09-28 10:50:26,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:26,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 214 states and 2356 transitions. [2018-09-28 10:50:26,435 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 2356 transitions. [2018-09-28 10:50:26,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:50:26,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:26,551 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-28 10:50:27,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:27,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 215 states and 2361 transitions. [2018-09-28 10:50:27,782 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 2361 transitions. [2018-09-28 10:50:27,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:50:27,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:28,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:50:32,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:32,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 217 states and 2392 transitions. [2018-09-28 10:50:32,781 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 2392 transitions. [2018-09-28 10:50:32,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:50:32,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:32,895 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-28 10:50:33,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:33,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 218 states and 2397 transitions. [2018-09-28 10:50:33,911 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 2397 transitions. [2018-09-28 10:50:33,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:50:33,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:34,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:50:38,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:38,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 221 states and 2436 transitions. [2018-09-28 10:50:38,696 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 2436 transitions. [2018-09-28 10:50:38,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:50:38,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:38,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:50:41,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:41,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 223 states and 2461 transitions. [2018-09-28 10:50:41,757 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 2461 transitions. [2018-09-28 10:50:41,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:50:41,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:42,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:50:46,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:46,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 226 states and 2492 transitions. [2018-09-28 10:50:46,046 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 2492 transitions. [2018-09-28 10:50:46,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:50:46,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:46,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:50:49,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 228 states and 2521 transitions. [2018-09-28 10:50:49,568 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 2521 transitions. [2018-09-28 10:50:49,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:50:49,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:49,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:50:52,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:52,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2572 states to 230 states and 2572 transitions. [2018-09-28 10:50:52,441 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 2572 transitions. [2018-09-28 10:50:52,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:50:52,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:53,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:50:54,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:54,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 231 states and 2584 transitions. [2018-09-28 10:50:54,973 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 2584 transitions. [2018-09-28 10:50:54,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:50:54,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:55,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:50:56,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:56,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 232 states and 2588 transitions. [2018-09-28 10:50:56,217 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 2588 transitions. [2018-09-28 10:50:56,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:50:56,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:56,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:50:57,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:57,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 233 states and 2592 transitions. [2018-09-28 10:50:57,449 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 2592 transitions. [2018-09-28 10:50:57,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:50:57,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:57,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:50:59,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:50:59,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 234 states and 2603 transitions. [2018-09-28 10:50:59,138 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 2603 transitions. [2018-09-28 10:50:59,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:50:59,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:50:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:50:59,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:51:01,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:01,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 235 states and 2632 transitions. [2018-09-28 10:51:01,070 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 2632 transitions. [2018-09-28 10:51:01,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:01,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:01,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:51:02,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:02,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 236 states and 2665 transitions. [2018-09-28 10:51:02,582 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 2665 transitions. [2018-09-28 10:51:02,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:02,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:51:02,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:02,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 237 states and 2667 transitions. [2018-09-28 10:51:02,770 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 2667 transitions. [2018-09-28 10:51:02,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:02,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:02,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:51:05,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:05,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2699 states to 239 states and 2699 transitions. [2018-09-28 10:51:05,534 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 2699 transitions. [2018-09-28 10:51:05,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:05,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:05,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:07,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:07,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2735 states to 240 states and 2735 transitions. [2018-09-28 10:51:07,816 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 2735 transitions. [2018-09-28 10:51:07,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:07,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:08,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:51:09,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:09,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2744 states to 241 states and 2744 transitions. [2018-09-28 10:51:09,560 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 2744 transitions. [2018-09-28 10:51:09,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:09,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:09,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:10,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:10,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 242 states and 2759 transitions. [2018-09-28 10:51:10,766 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 2759 transitions. [2018-09-28 10:51:10,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:10,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:10,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:51:12,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:12,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 243 states and 2771 transitions. [2018-09-28 10:51:12,413 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 2771 transitions. [2018-09-28 10:51:12,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:12,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:13,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:19,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:19,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 246 states and 2817 transitions. [2018-09-28 10:51:19,876 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 2817 transitions. [2018-09-28 10:51:19,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:19,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:19,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:21,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:21,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 247 states and 2834 transitions. [2018-09-28 10:51:21,674 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 2834 transitions. [2018-09-28 10:51:21,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:21,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:21,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:51:23,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:23,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 248 states and 2846 transitions. [2018-09-28 10:51:23,131 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 2846 transitions. [2018-09-28 10:51:23,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:23,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:23,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:25,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:25,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2857 states to 250 states and 2857 transitions. [2018-09-28 10:51:25,965 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 2857 transitions. [2018-09-28 10:51:25,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:25,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:25,970 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-28 10:51:27,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:27,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 251 states and 2870 transitions. [2018-09-28 10:51:27,407 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 2870 transitions. [2018-09-28 10:51:27,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:27,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:27,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-28 10:51:31,228 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-28 10:51:31,230 INFO L168 Benchmark]: Toolchain (without parser) took 252517.54 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.7 GB). Free memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-09-28 10:51:31,230 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 10:51:31,231 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.36 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 10:51:31,231 INFO L168 Benchmark]: Boogie Preprocessor took 34.99 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 10:51:31,232 INFO L168 Benchmark]: RCFGBuilder took 770.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-28 10:51:31,232 INFO L168 Benchmark]: CodeCheck took 251662.62 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-09-28 10:51:31,235 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1043 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.36 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.99 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 770.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 251662.62 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_out2.mover.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-28_10-51-31-245.csv Completed graceful shutdown