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/GateController.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-00a8621 [2018-09-30 11:05:50,523 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 11:05:50,525 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 11:05:50,537 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 11:05:50,537 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 11:05:50,541 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 11:05:50,542 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 11:05:50,544 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 11:05:50,546 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 11:05:50,547 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 11:05:50,548 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 11:05:50,548 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 11:05:50,549 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 11:05:50,550 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 11:05:50,551 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 11:05:50,552 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 11:05:50,555 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 11:05:50,557 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 11:05:50,562 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 11:05:50,564 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 11:05:50,565 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 11:05:50,566 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 11:05:50,568 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 11:05:50,568 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 11:05:50,569 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 11:05:50,570 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 11:05:50,571 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 11:05:50,572 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 11:05:50,572 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 11:05:50,573 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 11:05:50,574 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 11:05:50,574 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 11:05:50,575 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 11:05:50,575 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 11:05:50,578 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 11:05:50,579 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 11:05:50,579 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 [2018-09-30 11:05:50,607 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 11:05:50,607 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 11:05:50,608 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 11:05:50,608 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 11:05:50,609 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 11:05:50,609 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 11:05:50,609 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 11:05:50,609 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 11:05:50,609 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 11:05:50,610 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 11:05:50,610 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 11:05:50,610 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 11:05:50,610 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 11:05:50,610 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 11:05:50,611 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 11:05:50,611 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 11:05:50,611 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 11:05:50,611 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 11:05:50,611 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 11:05:50,612 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 11:05:50,612 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 11:05:50,612 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:05:50,612 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 11:05:50,612 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 11:05:50,613 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 11:05:50,613 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 11:05:50,613 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 11:05:50,613 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 11:05:50,613 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 11:05:50,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 11:05:50,678 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 11:05:50,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 11:05:50,684 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 11:05:50,684 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 11:05:50,685 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GateController.bpl [2018-09-30 11:05:50,685 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GateController.bpl' [2018-09-30 11:05:50,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 11:05:50,737 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 11:05:50,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 11:05:50,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 11:05:50,738 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 11:05:50,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:05:50" (1/1) ... [2018-09-30 11:05:50,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:05:50" (1/1) ... [2018-09-30 11:05:50,777 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 11:05:50,778 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 11:05:50,778 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 11:05:50,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 11:05:50,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 11:05:50,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 11:05:50,782 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 11:05:50,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:05:50" (1/1) ... [2018-09-30 11:05:50,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:05:50" (1/1) ... [2018-09-30 11:05:50,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:05:50" (1/1) ... [2018-09-30 11:05:50,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:05:50" (1/1) ... [2018-09-30 11:05:50,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:05:50" (1/1) ... [2018-09-30 11:05:50,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:05:50" (1/1) ... [2018-09-30 11:05:50,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:05:50" (1/1) ... [2018-09-30 11:05:50,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 11:05:50,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 11:05:50,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 11:05:50,806 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 11:05:50,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:05:50" (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 [2018-09-30 11:05:50,887 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2018-09-30 11:05:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2018-09-30 11:05:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2018-09-30 11:05:51,367 INFO L345 CfgBuilder]: Using library mode [2018-09-30 11:05:51,368 INFO L202 PluginConnector]: Adding new model GateController.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:05:51 BoogieIcfgContainer [2018-09-30 11:05:51,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 11:05:51,369 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 11:05:51,369 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 11:05:51,388 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 11:05:51,388 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "GateController.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:05:51" (1/1) ... [2018-09-30 11:05:51,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 11:05:51,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:51,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-30 11:05:51,459 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-30 11:05:51,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-30 11:05:51,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:51,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:05:51,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:51,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-09-30 11:05:51,701 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-09-30 11:05:51,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 11:05:51,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:51,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:05:52,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 8 states and 14 transitions. [2018-09-30 11:05:52,072 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 14 transitions. [2018-09-30 11:05:52,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 11:05:52,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:52,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:05:52,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:52,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 9 states and 19 transitions. [2018-09-30 11:05:52,434 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 19 transitions. [2018-09-30 11:05:52,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 11:05:52,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:52,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:05:52,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:52,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 10 states and 25 transitions. [2018-09-30 11:05:52,815 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 25 transitions. [2018-09-30 11:05:52,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 11:05:52,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:52,900 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:05:53,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:53,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 11 states and 32 transitions. [2018-09-30 11:05:53,433 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 32 transitions. [2018-09-30 11:05:53,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:05:53,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:53,542 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:05:53,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:53,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 12 states and 40 transitions. [2018-09-30 11:05:53,695 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 40 transitions. [2018-09-30 11:05:53,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:05:53,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:53,804 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:05:53,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:53,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 13 states and 49 transitions. [2018-09-30 11:05:53,973 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 49 transitions. [2018-09-30 11:05:53,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:05:53,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:54,186 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:05:54,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:54,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 14 states and 59 transitions. [2018-09-30 11:05:54,413 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 59 transitions. [2018-09-30 11:05:54,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:05:54,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:54,528 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:05:54,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:54,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 15 states and 70 transitions. [2018-09-30 11:05:54,699 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 70 transitions. [2018-09-30 11:05:54,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:05:54,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:54,842 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:05:55,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:55,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 16 states and 82 transitions. [2018-09-30 11:05:55,100 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 82 transitions. [2018-09-30 11:05:55,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:05:55,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:55,314 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:05:55,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:55,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 17 states and 95 transitions. [2018-09-30 11:05:55,574 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 95 transitions. [2018-09-30 11:05:55,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:05:55,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:55,926 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:05:56,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:56,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 18 states and 109 transitions. [2018-09-30 11:05:56,427 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 109 transitions. [2018-09-30 11:05:56,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 11:05:56,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:56,575 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:05:56,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:56,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 19 states and 124 transitions. [2018-09-30 11:05:56,934 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 124 transitions. [2018-09-30 11:05:56,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:05:56,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:57,104 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:05:57,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:57,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 20 states and 140 transitions. [2018-09-30 11:05:57,366 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 140 transitions. [2018-09-30 11:05:57,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 11:05:57,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:58,189 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:05:58,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:58,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 21 states and 157 transitions. [2018-09-30 11:05:58,457 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 157 transitions. [2018-09-30 11:05:58,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:05:58,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:58,584 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:05:58,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:58,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 22 states and 175 transitions. [2018-09-30 11:05:58,930 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 175 transitions. [2018-09-30 11:05:58,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 11:05:58,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:59,695 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:00,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:00,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 23 states and 194 transitions. [2018-09-30 11:06:00,019 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 194 transitions. [2018-09-30 11:06:00,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 11:06:00,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:00,312 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:00,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:00,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 24 states and 214 transitions. [2018-09-30 11:06:00,577 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 214 transitions. [2018-09-30 11:06:00,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 11:06:00,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:00,793 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:01,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:01,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 25 states and 235 transitions. [2018-09-30 11:06:01,119 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 235 transitions. [2018-09-30 11:06:01,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 11:06:01,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:01,249 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:01,865 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-30 11:06:02,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:02,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 26 states and 257 transitions. [2018-09-30 11:06:02,122 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 257 transitions. [2018-09-30 11:06:02,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-30 11:06:02,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:02,250 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:02,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:02,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 27 states and 280 transitions. [2018-09-30 11:06:02,753 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 280 transitions. [2018-09-30 11:06:02,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:06:02,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:02,958 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:03,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:03,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 28 states and 304 transitions. [2018-09-30 11:06:03,170 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 304 transitions. [2018-09-30 11:06:03,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-30 11:06:03,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:03,282 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:03,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:03,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 29 states and 329 transitions. [2018-09-30 11:06:03,567 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 329 transitions. [2018-09-30 11:06:03,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 11:06:03,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:03,825 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:04,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:04,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 30 states and 355 transitions. [2018-09-30 11:06:04,406 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 355 transitions. [2018-09-30 11:06:04,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-30 11:06:04,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:04,854 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:05,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:05,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 31 states and 382 transitions. [2018-09-30 11:06:05,384 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 382 transitions. [2018-09-30 11:06:05,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 11:06:05,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:05,516 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:05,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:05,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 32 states and 410 transitions. [2018-09-30 11:06:05,908 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 410 transitions. [2018-09-30 11:06:05,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-30 11:06:05,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:07,312 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:07,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:07,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 33 states and 439 transitions. [2018-09-30 11:06:07,897 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 439 transitions. [2018-09-30 11:06:07,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 11:06:07,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:08,121 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:08,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:08,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 34 states and 469 transitions. [2018-09-30 11:06:08,512 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 469 transitions. [2018-09-30 11:06:08,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-30 11:06:08,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:08,826 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:09,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:09,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 35 states and 500 transitions. [2018-09-30 11:06:09,083 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 500 transitions. [2018-09-30 11:06:09,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 11:06:09,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:09,240 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:09,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:09,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 36 states and 532 transitions. [2018-09-30 11:06:09,546 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 532 transitions. [2018-09-30 11:06:09,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-30 11:06:09,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:09,820 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:10,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:10,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 37 states and 565 transitions. [2018-09-30 11:06:10,114 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 565 transitions. [2018-09-30 11:06:10,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 11:06:10,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:10,451 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:10,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:10,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 38 states and 599 transitions. [2018-09-30 11:06:10,758 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 599 transitions. [2018-09-30 11:06:10,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 11:06:10,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:10,995 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:11,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:11,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 39 states and 634 transitions. [2018-09-30 11:06:11,359 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 634 transitions. [2018-09-30 11:06:11,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 11:06:11,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:11,622 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:11,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:11,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 40 states and 670 transitions. [2018-09-30 11:06:11,947 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 670 transitions. [2018-09-30 11:06:11,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-30 11:06:11,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:12,309 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:12,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:12,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 41 states and 707 transitions. [2018-09-30 11:06:12,952 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 707 transitions. [2018-09-30 11:06:12,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 11:06:12,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:13,184 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:13,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:13,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 42 states and 745 transitions. [2018-09-30 11:06:13,500 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 745 transitions. [2018-09-30 11:06:13,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-30 11:06:13,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:13,727 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:14,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:14,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 43 states and 784 transitions. [2018-09-30 11:06:14,104 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 784 transitions. [2018-09-30 11:06:14,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 11:06:14,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:14,382 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:14,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:14,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 44 states and 824 transitions. [2018-09-30 11:06:14,701 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 824 transitions. [2018-09-30 11:06:14,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 11:06:14,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:14,911 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:16,171 WARN L178 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-09-30 11:06:18,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:18,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 45 states and 865 transitions. [2018-09-30 11:06:18,665 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 865 transitions. [2018-09-30 11:06:18,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 11:06:18,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:18,922 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:19,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:19,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 46 states and 907 transitions. [2018-09-30 11:06:19,263 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 907 transitions. [2018-09-30 11:06:19,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 11:06:19,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:19,460 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:19,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:19,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 47 states and 950 transitions. [2018-09-30 11:06:19,824 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 950 transitions. [2018-09-30 11:06:19,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:06:19,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:20,052 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:20,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:20,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 48 states and 994 transitions. [2018-09-30 11:06:20,807 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 994 transitions. [2018-09-30 11:06:20,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-30 11:06:20,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:20,964 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:21,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:21,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 49 states and 1039 transitions. [2018-09-30 11:06:21,413 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 1039 transitions. [2018-09-30 11:06:21,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:06:21,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:21,705 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:22,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:22,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 50 states and 1085 transitions. [2018-09-30 11:06:22,097 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 1085 transitions. [2018-09-30 11:06:22,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 11:06:22,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:22,368 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:22,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:22,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 51 states and 1132 transitions. [2018-09-30 11:06:22,918 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 1132 transitions. [2018-09-30 11:06:22,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 11:06:22,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:23,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:23,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:23,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 52 states and 1180 transitions. [2018-09-30 11:06:23,695 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 1180 transitions. [2018-09-30 11:06:23,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 11:06:23,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:23,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:24,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:24,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 53 states and 1229 transitions. [2018-09-30 11:06:24,377 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 1229 transitions. [2018-09-30 11:06:24,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 11:06:24,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:24,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:25,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:25,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 54 states and 1279 transitions. [2018-09-30 11:06:25,267 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 1279 transitions. [2018-09-30 11:06:25,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 11:06:25,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:25,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:26,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:26,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 55 states and 1330 transitions. [2018-09-30 11:06:26,116 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 1330 transitions. [2018-09-30 11:06:26,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 11:06:26,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:26,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:26,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:26,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 56 states and 1382 transitions. [2018-09-30 11:06:26,884 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 1382 transitions. [2018-09-30 11:06:26,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-30 11:06:26,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:27,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:27,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:27,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 57 states and 1435 transitions. [2018-09-30 11:06:27,806 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 1435 transitions. [2018-09-30 11:06:27,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 11:06:27,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:28,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:28,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:28,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 58 states and 1489 transitions. [2018-09-30 11:06:28,511 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 1489 transitions. [2018-09-30 11:06:28,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-30 11:06:28,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:29,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:29,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 59 states and 1544 transitions. [2018-09-30 11:06:29,335 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 1544 transitions. [2018-09-30 11:06:29,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 11:06:29,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:30,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:31,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 60 states and 1600 transitions. [2018-09-30 11:06:31,285 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 1600 transitions. [2018-09-30 11:06:31,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-30 11:06:31,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:31,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:32,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:32,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 61 states and 1657 transitions. [2018-09-30 11:06:32,480 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 1657 transitions. [2018-09-30 11:06:32,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 11:06:32,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:33,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:33,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:33,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 62 states and 1715 transitions. [2018-09-30 11:06:33,987 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 1715 transitions. [2018-09-30 11:06:33,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-30 11:06:33,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:34,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:34,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:34,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 63 states and 1774 transitions. [2018-09-30 11:06:34,791 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 1774 transitions. [2018-09-30 11:06:34,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 11:06:34,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:35,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:35,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:35,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 64 states and 1834 transitions. [2018-09-30 11:06:35,578 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 1834 transitions. [2018-09-30 11:06:35,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-30 11:06:35,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:36,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:36,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:36,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 65 states and 1895 transitions. [2018-09-30 11:06:36,605 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 1895 transitions. [2018-09-30 11:06:36,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 11:06:36,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:36,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:37,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:37,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 66 states and 1957 transitions. [2018-09-30 11:06:37,397 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 1957 transitions. [2018-09-30 11:06:37,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-30 11:06:37,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:37,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:38,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:38,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 67 states and 2020 transitions. [2018-09-30 11:06:38,327 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 2020 transitions. [2018-09-30 11:06:38,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 11:06:38,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:38,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:39,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:39,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 68 states and 2084 transitions. [2018-09-30 11:06:39,150 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 2084 transitions. [2018-09-30 11:06:39,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-30 11:06:39,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:39,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:40,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:40,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 69 states and 2149 transitions. [2018-09-30 11:06:40,015 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 2149 transitions. [2018-09-30 11:06:40,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 11:06:40,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:40,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:41,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:41,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 70 states and 2215 transitions. [2018-09-30 11:06:41,043 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 2215 transitions. [2018-09-30 11:06:41,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-30 11:06:41,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:41,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:41,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:41,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 71 states and 2282 transitions. [2018-09-30 11:06:41,948 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 2282 transitions. [2018-09-30 11:06:41,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 11:06:41,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:42,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:42,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:42,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 72 states and 2350 transitions. [2018-09-30 11:06:42,817 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 2350 transitions. [2018-09-30 11:06:42,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-30 11:06:42,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:43,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:43,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:43,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 73 states and 2419 transitions. [2018-09-30 11:06:43,693 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 2419 transitions. [2018-09-30 11:06:43,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 11:06:43,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:43,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:44,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:44,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 74 states and 2489 transitions. [2018-09-30 11:06:44,580 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 2489 transitions. [2018-09-30 11:06:44,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-30 11:06:44,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:44,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:45,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:45,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 75 states and 2560 transitions. [2018-09-30 11:06:45,476 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 2560 transitions. [2018-09-30 11:06:45,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 11:06:45,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:45,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:46,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:46,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 76 states and 2632 transitions. [2018-09-30 11:06:46,801 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 2632 transitions. [2018-09-30 11:06:46,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-30 11:06:46,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:47,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:47,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:47,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 77 states and 2705 transitions. [2018-09-30 11:06:47,814 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 2705 transitions. [2018-09-30 11:06:47,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-30 11:06:47,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:48,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:48,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 78 states and 2779 transitions. [2018-09-30 11:06:48,771 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 2779 transitions. [2018-09-30 11:06:48,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-30 11:06:48,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:49,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:49,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:49,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 79 states and 2854 transitions. [2018-09-30 11:06:49,804 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 2854 transitions. [2018-09-30 11:06:49,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-30 11:06:49,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:50,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:50,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:50,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 80 states and 2930 transitions. [2018-09-30 11:06:50,853 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 2930 transitions. [2018-09-30 11:06:50,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-30 11:06:50,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:51,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:51,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:51,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3007 states to 81 states and 3007 transitions. [2018-09-30 11:06:51,960 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 3007 transitions. [2018-09-30 11:06:51,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-30 11:06:51,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:52,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:52,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:52,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 82 states and 3085 transitions. [2018-09-30 11:06:52,998 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 3085 transitions. [2018-09-30 11:06:52,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-30 11:06:52,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:53,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:53,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:54,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 83 states and 3164 transitions. [2018-09-30 11:06:54,000 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 3164 transitions. [2018-09-30 11:06:54,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 11:06:54,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:54,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:55,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:55,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 84 states and 3244 transitions. [2018-09-30 11:06:55,028 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 3244 transitions. [2018-09-30 11:06:55,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-30 11:06:55,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:55,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:56,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:56,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 85 states and 3325 transitions. [2018-09-30 11:06:56,071 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 3325 transitions. [2018-09-30 11:06:56,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-30 11:06:56,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:56,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:57,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:57,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 86 states and 3407 transitions. [2018-09-30 11:06:57,237 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 3407 transitions. [2018-09-30 11:06:57,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-30 11:06:57,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:57,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:58,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:58,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 87 states and 3490 transitions. [2018-09-30 11:06:58,324 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 3490 transitions. [2018-09-30 11:06:58,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-30 11:06:58,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:58,697 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:59,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:59,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 88 states and 3574 transitions. [2018-09-30 11:06:59,619 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 3574 transitions. [2018-09-30 11:06:59,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-30 11:06:59,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:59,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:00,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:00,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 89 states and 3659 transitions. [2018-09-30 11:07:00,830 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 3659 transitions. [2018-09-30 11:07:00,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-30 11:07:00,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:01,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:02,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:02,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 90 states and 3745 transitions. [2018-09-30 11:07:02,148 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 3745 transitions. [2018-09-30 11:07:02,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-30 11:07:02,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:02,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:03,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:03,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 91 states and 3832 transitions. [2018-09-30 11:07:03,294 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 3832 transitions. [2018-09-30 11:07:03,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-30 11:07:03,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:03,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:04,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:04,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 92 states and 3920 transitions. [2018-09-30 11:07:04,538 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 3920 transitions. [2018-09-30 11:07:04,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-30 11:07:04,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:04,802 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:05,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:05,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4009 states to 93 states and 4009 transitions. [2018-09-30 11:07:05,695 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 4009 transitions. [2018-09-30 11:07:05,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-30 11:07:05,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:05,949 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:07,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:07,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4099 states to 94 states and 4099 transitions. [2018-09-30 11:07:07,107 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 4099 transitions. [2018-09-30 11:07:07,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-30 11:07:07,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:07,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:08,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:08,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 95 states and 4190 transitions. [2018-09-30 11:07:08,331 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 4190 transitions. [2018-09-30 11:07:08,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-30 11:07:08,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:08,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:09,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:09,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4282 states to 96 states and 4282 transitions. [2018-09-30 11:07:09,616 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 4282 transitions. [2018-09-30 11:07:09,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-09-30 11:07:09,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:09,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:10,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:10,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4375 states to 97 states and 4375 transitions. [2018-09-30 11:07:10,930 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 4375 transitions. [2018-09-30 11:07:10,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-30 11:07:10,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:11,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:12,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:12,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4469 states to 98 states and 4469 transitions. [2018-09-30 11:07:12,344 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 4469 transitions. [2018-09-30 11:07:12,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-30 11:07:12,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:12,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:13,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:13,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4564 states to 99 states and 4564 transitions. [2018-09-30 11:07:13,645 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 4564 transitions. [2018-09-30 11:07:13,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-30 11:07:13,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:14,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:15,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:15,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4660 states to 100 states and 4660 transitions. [2018-09-30 11:07:15,078 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 4660 transitions. [2018-09-30 11:07:15,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-09-30 11:07:15,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:15,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:16,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:16,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4757 states to 101 states and 4757 transitions. [2018-09-30 11:07:16,436 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 4757 transitions. [2018-09-30 11:07:16,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-30 11:07:16,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:17,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:18,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:18,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4855 states to 102 states and 4855 transitions. [2018-09-30 11:07:18,040 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 4855 transitions. [2018-09-30 11:07:18,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-30 11:07:18,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:18,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:19,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:19,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4954 states to 103 states and 4954 transitions. [2018-09-30 11:07:19,514 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 4954 transitions. [2018-09-30 11:07:19,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-30 11:07:19,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:19,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:20,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:20,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5054 states to 104 states and 5054 transitions. [2018-09-30 11:07:20,892 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 5054 transitions. [2018-09-30 11:07:20,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-30 11:07:20,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:21,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:22,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:22,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5155 states to 105 states and 5155 transitions. [2018-09-30 11:07:22,575 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 5155 transitions. [2018-09-30 11:07:22,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-30 11:07:22,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:22,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:24,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:24,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5257 states to 106 states and 5257 transitions. [2018-09-30 11:07:24,008 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 5257 transitions. [2018-09-30 11:07:24,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-09-30 11:07:24,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:51,089 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-30 11:09:56,784 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 11:09:56,786 INFO L168 Benchmark]: Toolchain (without parser) took 246051.94 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 598.2 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 62.8 MB). Peak memory consumption was 661.0 MB. Max. memory is 7.1 GB. [2018-09-30 11:09:56,787 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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. [2018-09-30 11:09:56,789 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.14 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. [2018-09-30 11:09:56,790 INFO L168 Benchmark]: Boogie Preprocessor took 23.81 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. [2018-09-30 11:09:56,790 INFO L168 Benchmark]: RCFGBuilder took 562.66 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. [2018-09-30 11:09:56,791 INFO L168 Benchmark]: CodeCheck took 245416.82 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 598.2 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 41.7 MB). Peak memory consumption was 639.9 MB. Max. memory is 7.1 GB. [2018-09-30 11:09:56,798 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 853 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 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 43.14 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 23.81 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 562.66 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 245416.82 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 598.2 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 41.7 MB). Peak memory consumption was 639.9 MB. 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/GateController.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_11-09-56-819.csv Completed graceful shutdown