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-d19836b [2018-09-26 22:43:08,513 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:43:08,516 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:43:08,530 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:43:08,531 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:43:08,532 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:43:08,534 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:43:08,536 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:43:08,538 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:43:08,539 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:43:08,540 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:43:08,540 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:43:08,541 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:43:08,542 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:43:08,544 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:43:08,545 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:43:08,546 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:43:08,548 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:43:08,550 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:43:08,552 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:43:08,554 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:43:08,555 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:43:08,558 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:43:08,559 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:43:08,559 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:43:08,560 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:43:08,561 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:43:08,562 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:43:08,563 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:43:08,565 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:43:08,565 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:43:08,566 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:43:08,566 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:43:08,566 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:43:08,567 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:43:08,568 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:43:08,568 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 [2018-09-26 22:43:08,587 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:43:08,587 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:43:08,588 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:43:08,589 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:43:08,590 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:43:08,590 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:43:08,590 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:43:08,590 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:43:08,591 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:43:08,591 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:43:08,591 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:43:08,591 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:43:08,591 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:43:08,592 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:43:08,592 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:43:08,592 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:43:08,592 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:43:08,592 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:43:08,593 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:43:08,593 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:43:08,593 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:43:08,593 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:43:08,594 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:43:08,594 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:43:08,594 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:43:08,594 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:43:08,594 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:43:08,595 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:43:08,595 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:43:08,595 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:43:08,646 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:43:08,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:43:08,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:43:08,672 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:43:08,674 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:43:08,674 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithoutIf.bpl [2018-09-26 22:43:08,675 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithoutIf.bpl' [2018-09-26 22:43:08,741 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:43:08,746 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:43:08,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:43:08,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:43:08,748 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:43:08,771 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 26.09 10:43:08" (1/1) ... [2018-09-26 22:43:08,786 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 26.09 10:43:08" (1/1) ... [2018-09-26 22:43:08,792 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 22:43:08,793 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 22:43:08,793 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 22:43:08,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:43:08,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:43:08,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:43:08,798 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:43:08,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:08" (1/1) ... [2018-09-26 22:43:08,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:08" (1/1) ... [2018-09-26 22:43:08,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:08" (1/1) ... [2018-09-26 22:43:08,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:08" (1/1) ... [2018-09-26 22:43:08,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:08" (1/1) ... [2018-09-26 22:43:08,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:08" (1/1) ... [2018-09-26 22:43:08,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:08" (1/1) ... [2018-09-26 22:43:08,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:43:08,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:43:08,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:43:08,826 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:43:08,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:08" (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 [2018-09-26 22:43:08,928 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-09-26 22:43:08,928 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-09-26 22:43:08,928 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-09-26 22:43:09,345 INFO L343 CfgBuilder]: Using library mode [2018-09-26 22:43:09,346 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:43:09 BoogieIcfgContainer [2018-09-26 22:43:09,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:43:09,347 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:43:09,348 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:43:09,362 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:43:09,363 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:43:09" (1/1) ... [2018-09-26 22:43:09,381 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:43:09,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2018-09-26 22:43:09,436 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2018-09-26 22:43:09,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:43:09,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:09,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:10,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:10,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 20 states and 34 transitions. [2018-09-26 22:43:10,515 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 34 transitions. [2018-09-26 22:43:10,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:43:10,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:10,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:12,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:12,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 23 states and 44 transitions. [2018-09-26 22:43:12,383 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 44 transitions. [2018-09-26 22:43:12,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 22:43:12,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:12,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:12,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:12,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 25 states and 51 transitions. [2018-09-26 22:43:12,854 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 51 transitions. [2018-09-26 22:43:12,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 22:43:12,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:13,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:16,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:16,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 29 states and 66 transitions. [2018-09-26 22:43:16,817 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 66 transitions. [2018-09-26 22:43:16,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 22:43:16,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:17,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:19,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:19,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 31 states and 76 transitions. [2018-09-26 22:43:19,046 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 76 transitions. [2018-09-26 22:43:19,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:43:19,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:19,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:20,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:20,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 32 states and 84 transitions. [2018-09-26 22:43:20,608 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 84 transitions. [2018-09-26 22:43:20,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:43:20,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:20,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:22,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:22,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 33 states and 92 transitions. [2018-09-26 22:43:22,294 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 92 transitions. [2018-09-26 22:43:22,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:43:22,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:23,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:27,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:27,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 37 states and 112 transitions. [2018-09-26 22:43:27,990 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 112 transitions. [2018-09-26 22:43:27,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:43:27,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:28,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:31,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:31,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 38 states and 117 transitions. [2018-09-26 22:43:31,208 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 117 transitions. [2018-09-26 22:43:31,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:43:31,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:32,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:41,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:41,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 45 states and 148 transitions. [2018-09-26 22:43:41,740 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 148 transitions. [2018-09-26 22:43:41,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:43:41,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:43,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:51,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:51,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 49 states and 175 transitions. [2018-09-26 22:43:51,102 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 175 transitions. [2018-09-26 22:43:51,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:43:51,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:52,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:00,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:00,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 53 states and 192 transitions. [2018-09-26 22:44:00,207 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 192 transitions. [2018-09-26 22:44:00,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:44:00,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:00,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:02,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:02,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 54 states and 199 transitions. [2018-09-26 22:44:02,304 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 199 transitions. [2018-09-26 22:44:02,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:44:02,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:02,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:03,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:03,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 56 states and 203 transitions. [2018-09-26 22:44:03,123 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 203 transitions. [2018-09-26 22:44:03,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:44:03,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:04,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:13,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:13,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 59 states and 222 transitions. [2018-09-26 22:44:13,817 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 222 transitions. [2018-09-26 22:44:13,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:44:13,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:14,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:25,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:25,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 62 states and 233 transitions. [2018-09-26 22:44:25,370 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 233 transitions. [2018-09-26 22:44:25,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:44:25,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:25,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:30,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 63 states and 241 transitions. [2018-09-26 22:44:30,541 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 241 transitions. [2018-09-26 22:44:30,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:44:30,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:32,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:50,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:50,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 67 states and 261 transitions. [2018-09-26 22:44:50,520 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 261 transitions. [2018-09-26 22:44:50,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:44:50,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:50,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:55,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:55,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 68 states and 270 transitions. [2018-09-26 22:44:55,109 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 270 transitions. [2018-09-26 22:44:55,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:44:55,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:45:07,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:45:07,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 71 states and 294 transitions. [2018-09-26 22:45:07,541 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 294 transitions. [2018-09-26 22:45:07,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:45:07,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:45:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:45:14,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:45:40,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:45:40,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 75 states and 327 transitions. [2018-09-26 22:45:40,644 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 327 transitions. [2018-09-26 22:45:40,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:45:40,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:45:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:45:49,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:46:24,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:46:24,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 79 states and 361 transitions. [2018-09-26 22:46:24,657 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 361 transitions. [2018-09-26 22:46:24,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:46:24,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:46:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:46:24,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:46:33,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:46:33,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 80 states and 368 transitions. [2018-09-26 22:46:33,050 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 368 transitions. [2018-09-26 22:46:33,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:46:33,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:46:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:46:33,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:46:49,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:46:49,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 82 states and 385 transitions. [2018-09-26 22:46:49,158 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 385 transitions. [2018-09-26 22:46:49,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:46:49,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:46:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:46:54,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:47:21,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:47:21,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 85 states and 413 transitions. [2018-09-26 22:47:21,258 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 413 transitions. [2018-09-26 22:47:21,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:47:21,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:47:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:47:22,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:47:40,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:47:40,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 87 states and 417 transitions. [2018-09-26 22:47:40,132 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 417 transitions. [2018-09-26 22:47:40,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:47:40,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:47:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:47:40,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown