java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/real-life/threadpooling_product_WithoutIf.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 11:26:24,441 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 11:26:24,443 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 11:26:24,455 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 11:26:24,456 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 11:26:24,457 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 11:26:24,458 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 11:26:24,460 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 11:26:24,462 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 11:26:24,463 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 11:26:24,464 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 11:26:24,464 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 11:26:24,465 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 11:26:24,466 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 11:26:24,467 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 11:26:24,468 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 11:26:24,469 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 11:26:24,471 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 11:26:24,473 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 11:26:24,475 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 11:26:24,476 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 11:26:24,477 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 11:26:24,480 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 11:26:24,480 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 11:26:24,480 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 11:26:24,481 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 11:26:24,482 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 11:26:24,483 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 11:26:24,484 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 11:26:24,485 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 11:26:24,485 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 11:26:24,486 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 11:26:24,487 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 11:26:24,487 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 11:26:24,488 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 11:26:24,489 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 11:26:24,489 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-28 11:26:24,521 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 11:26:24,522 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 11:26:24,524 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 11:26:24,524 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 11:26:24,524 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 11:26:24,525 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 11:26:24,525 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 11:26:24,525 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 11:26:24,526 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 11:26:24,526 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 11:26:24,527 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 11:26:24,527 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 11:26:24,527 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 11:26:24,527 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 11:26:24,527 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 11:26:24,527 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 11:26:24,528 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 11:26:24,528 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 11:26:24,528 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 11:26:24,528 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-28 11:26:24,529 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 11:26:24,530 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 11:26:24,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 11:26:24,530 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 11:26:24,530 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 11:26:24,531 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 11:26:24,531 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 11:26:24,531 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 11:26:24,531 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 11:26:24,531 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 11:26:24,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 11:26:24,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 11:26:24,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 11:26:24,617 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 11:26:24,618 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 11:26:24,618 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithoutIf.bpl [2018-09-28 11:26:24,619 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithoutIf.bpl' [2018-09-28 11:26:24,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 11:26:24,683 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 11:26:24,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 11:26:24,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 11:26:24,684 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 11:26:24,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:26:24" (1/1) ... [2018-09-28 11:26:24,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:26:24" (1/1) ... [2018-09-28 11:26:24,726 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-28 11:26:24,727 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-28 11:26:24,727 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-28 11:26:24,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 11:26:24,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 11:26:24,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 11:26:24,731 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 11:26:24,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:26:24" (1/1) ... [2018-09-28 11:26:24,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:26:24" (1/1) ... [2018-09-28 11:26:24,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:26:24" (1/1) ... [2018-09-28 11:26:24,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:26:24" (1/1) ... [2018-09-28 11:26:24,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:26:24" (1/1) ... [2018-09-28 11:26:24,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:26:24" (1/1) ... [2018-09-28 11:26:24,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:26:24" (1/1) ... [2018-09-28 11:26:24,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 11:26:24,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 11:26:24,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 11:26:24,757 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 11:26:24,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:26:24" (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 11:26:24,837 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-09-28 11:26:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-09-28 11:26:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-09-28 11:26:25,227 INFO L350 CfgBuilder]: Using library mode [2018-09-28 11:26:25,227 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:26:25 BoogieIcfgContainer [2018-09-28 11:26:25,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 11:26:25,228 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 11:26:25,228 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 11:26:25,240 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 11:26:25,241 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:26:25" (1/1) ... [2018-09-28 11:26:25,255 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 11:26:25,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:25,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2018-09-28 11:26:25,296 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2018-09-28 11:26:25,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-28 11:26:25,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:25,505 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 11:26:26,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:26,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 20 states and 34 transitions. [2018-09-28 11:26:26,160 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 34 transitions. [2018-09-28 11:26:26,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-28 11:26:26,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:26,262 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 11:26:27,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:27,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 23 states and 44 transitions. [2018-09-28 11:26:27,330 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 44 transitions. [2018-09-28 11:26:27,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 11:26:27,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:27,384 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 11:26:27,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:27,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 25 states and 51 transitions. [2018-09-28 11:26:27,635 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 51 transitions. [2018-09-28 11:26:27,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 11:26:27,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:27,879 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 11:26:29,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:29,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 29 states and 66 transitions. [2018-09-28 11:26:29,128 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 66 transitions. [2018-09-28 11:26:29,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 11:26:29,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:29,501 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 11:26:30,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:30,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 31 states and 76 transitions. [2018-09-28 11:26:30,348 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 76 transitions. [2018-09-28 11:26:30,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:26:30,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:30,384 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 11:26:31,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:31,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 32 states and 84 transitions. [2018-09-28 11:26:31,546 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 84 transitions. [2018-09-28 11:26:31,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:26:31,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:31,698 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 11:26:32,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:32,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 33 states and 92 transitions. [2018-09-28 11:26:32,434 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 92 transitions. [2018-09-28 11:26:32,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:26:32,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:32,465 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 11:26:32,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:32,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 34 states and 98 transitions. [2018-09-28 11:26:32,864 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 98 transitions. [2018-09-28 11:26:32,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:26:32,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:33,473 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 11:26:37,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:37,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 38 states and 118 transitions. [2018-09-28 11:26:37,214 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 118 transitions. [2018-09-28 11:26:37,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:26:37,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:37,686 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 11:26:40,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:40,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 45 states and 149 transitions. [2018-09-28 11:26:40,999 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 149 transitions. [2018-09-28 11:26:41,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:26:41,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:41,713 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 11:26:43,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:43,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 49 states and 176 transitions. [2018-09-28 11:26:43,564 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 176 transitions. [2018-09-28 11:26:43,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:26:43,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:43,823 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 11:26:45,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:45,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 53 states and 192 transitions. [2018-09-28 11:26:45,547 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 192 transitions. [2018-09-28 11:26:45,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:26:45,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:45,591 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 11:26:46,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:46,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 54 states and 198 transitions. [2018-09-28 11:26:46,177 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 198 transitions. [2018-09-28 11:26:46,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:26:46,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:46,245 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 11:26:46,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:46,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 56 states and 202 transitions. [2018-09-28 11:26:46,466 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 202 transitions. [2018-09-28 11:26:46,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:26:46,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:46,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:48,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:48,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 59 states and 221 transitions. [2018-09-28 11:26:48,879 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 221 transitions. [2018-09-28 11:26:48,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:26:48,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:48,996 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 11:26:51,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:51,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 62 states and 232 transitions. [2018-09-28 11:26:51,537 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 232 transitions. [2018-09-28 11:26:51,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:26:51,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:51,583 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 11:26:52,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:52,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 63 states and 240 transitions. [2018-09-28 11:26:52,679 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 240 transitions. [2018-09-28 11:26:52,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:26:52,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:53,244 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 11:26:56,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:56,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 67 states and 260 transitions. [2018-09-28 11:26:56,758 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 260 transitions. [2018-09-28 11:26:56,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:26:56,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:57,603 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 11:27:02,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:02,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 71 states and 290 transitions. [2018-09-28 11:27:02,370 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 290 transitions. [2018-09-28 11:27:02,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:27:02,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:02,483 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 11:27:05,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:05,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 75 states and 318 transitions. [2018-09-28 11:27:05,745 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 318 transitions. [2018-09-28 11:27:05,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:27:05,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:05,806 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 11:27:09,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:09,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 78 states and 331 transitions. [2018-09-28 11:27:09,042 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 331 transitions. [2018-09-28 11:27:09,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:27:09,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:10,543 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 11:27:16,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:16,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 82 states and 365 transitions. [2018-09-28 11:27:16,656 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 365 transitions. [2018-09-28 11:27:16,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:27:16,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:16,806 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 11:27:18,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:18,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 83 states and 371 transitions. [2018-09-28 11:27:18,220 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 371 transitions. [2018-09-28 11:27:18,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:27:18,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:18,265 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 11:27:21,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:21,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 85 states and 388 transitions. [2018-09-28 11:27:21,185 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 388 transitions. [2018-09-28 11:27:21,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:27:21,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:21,237 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 11:27:23,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:23,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 87 states and 393 transitions. [2018-09-28 11:27:23,929 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 393 transitions. [2018-09-28 11:27:23,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:27:23,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:23,961 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 11:27:26,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:26,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 89 states and 397 transitions. [2018-09-28 11:27:26,895 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 397 transitions. [2018-09-28 11:27:26,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:27:26,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:26,950 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 11:27:28,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:28,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 90 states and 408 transitions. [2018-09-28 11:27:28,782 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 408 transitions. [2018-09-28 11:27:28,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:27:28,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:28,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:32,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:32,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 92 states and 420 transitions. [2018-09-28 11:27:32,156 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 420 transitions. [2018-09-28 11:27:32,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:27:32,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:32,189 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 11:27:35,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:35,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 94 states and 423 transitions. [2018-09-28 11:27:35,513 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 423 transitions. [2018-09-28 11:27:35,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:27:35,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:36,865 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 11:27:41,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:41,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 96 states and 431 transitions. [2018-09-28 11:27:41,382 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 431 transitions. [2018-09-28 11:27:41,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:27:41,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:41,681 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 11:27:52,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:52,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 101 states and 464 transitions. [2018-09-28 11:27:52,071 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 464 transitions. [2018-09-28 11:27:52,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:27:52,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:52,150 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 11:27:54,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:54,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 102 states and 479 transitions. [2018-09-28 11:27:54,084 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 479 transitions. [2018-09-28 11:27:54,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:27:54,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:54,221 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 11:27:56,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:56,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 103 states and 483 transitions. [2018-09-28 11:27:56,456 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 483 transitions. [2018-09-28 11:27:56,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:27:56,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:57,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:28:09,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:28:09,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 108 states and 518 transitions. [2018-09-28 11:28:09,115 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 518 transitions. [2018-09-28 11:28:09,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:28:09,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:28:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:28:10,605 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 11:28:20,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:28:20,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 111 states and 537 transitions. [2018-09-28 11:28:20,576 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 537 transitions. [2018-09-28 11:28:20,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:28:20,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:28:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:28:24,626 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 11:28:32,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:28:32,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 113 states and 551 transitions. [2018-09-28 11:28:32,401 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 551 transitions. [2018-09-28 11:28:32,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:28:32,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:28:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:28:32,453 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 11:28:36,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:28:36,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 114 states and 559 transitions. [2018-09-28 11:28:36,067 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 559 transitions. [2018-09-28 11:28:36,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:28:36,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:28:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:28:36,296 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 11:28:40,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:28:40,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 115 states and 567 transitions. [2018-09-28 11:28:40,301 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 567 transitions. [2018-09-28 11:28:40,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:28:40,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:28:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:28:40,353 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 11:28:44,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:28:44,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 116 states and 572 transitions. [2018-09-28 11:28:44,138 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 572 transitions. [2018-09-28 11:28:44,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:28:44,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:28:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:28:44,183 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 11:28:47,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:28:47,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 117 states and 579 transitions. [2018-09-28 11:28:47,916 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 579 transitions. [2018-09-28 11:28:47,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:28:47,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:28:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:28:48,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:28:55,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:28:55,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 119 states and 601 transitions. [2018-09-28 11:28:55,641 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 601 transitions. [2018-09-28 11:28:55,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:28:55,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:28:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:28:55,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:29:07,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:29:07,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 122 states and 623 transitions. [2018-09-28 11:29:07,813 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 623 transitions. [2018-09-28 11:29:07,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:29:07,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:29:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:29:07,893 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 11:29:26,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:29:26,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 125 states and 650 transitions. [2018-09-28 11:29:26,583 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 650 transitions. [2018-09-28 11:29:26,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:29:26,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:29:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:29:26,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:29:37,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:29:37,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 127 states and 656 transitions. [2018-09-28 11:29:37,553 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 656 transitions. [2018-09-28 11:29:37,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:29:37,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:29:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:29:37,739 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 11:29:49,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:29:49,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 129 states and 672 transitions. [2018-09-28 11:29:49,332 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 672 transitions. [2018-09-28 11:29:49,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:29:49,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:29:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:29:49,359 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 11:29:55,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:29:55,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 130 states and 679 transitions. [2018-09-28 11:29:55,863 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 679 transitions. [2018-09-28 11:29:55,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:29:55,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:29:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:29:55,901 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 11:30:09,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:30:09,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 132 states and 687 transitions. [2018-09-28 11:30:09,470 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 687 transitions. [2018-09-28 11:30:09,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:30:09,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:30:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:30:09,793 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 11:30:31,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:30:31,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 135 states and 704 transitions. [2018-09-28 11:30:31,209 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 704 transitions. [2018-09-28 11:30:31,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-28 11:30:31,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:30:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:30:31,241 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 11:30:46,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:30:46,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 137 states and 709 transitions. [2018-09-28 11:30:46,450 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 709 transitions. [2018-09-28 11:30:46,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-28 11:30:46,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:30:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:30:46,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown