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-bd42740 [2018-09-23 21:46:51,531 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 21:46:51,533 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 21:46:51,548 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 21:46:51,548 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 21:46:51,549 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 21:46:51,550 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 21:46:51,552 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 21:46:51,554 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 21:46:51,555 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 21:46:51,556 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-23 21:46:51,556 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-23 21:46:51,557 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-23 21:46:51,558 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-23 21:46:51,560 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-23 21:46:51,561 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-23 21:46:51,562 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-23 21:46:51,564 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-23 21:46:51,566 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-23 21:46:51,568 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-23 21:46:51,569 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-23 21:46:51,571 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-23 21:46:51,573 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-23 21:46:51,574 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-23 21:46:51,574 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-23 21:46:51,575 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-23 21:46:51,576 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-23 21:46:51,577 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-23 21:46:51,578 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-23 21:46:51,579 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-23 21:46:51,579 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-23 21:46:51,580 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-23 21:46:51,580 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-23 21:46:51,580 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-23 21:46:51,581 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-23 21:46:51,582 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-23 21:46:51,583 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 [2018-09-23 21:46:51,598 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 21:46:51,599 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 21:46:51,599 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 21:46:51,600 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 21:46:51,600 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 21:46:51,601 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 21:46:51,601 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 21:46:51,601 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 21:46:51,601 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 21:46:51,602 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 21:46:51,602 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 21:46:51,602 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 21:46:51,602 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 21:46:51,603 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 21:46:51,603 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 21:46:51,603 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 21:46:51,603 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 21:46:51,603 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-23 21:46:51,604 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-23 21:46:51,604 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 21:46:51,604 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 21:46:51,604 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-23 21:46:51,605 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 21:46:51,605 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 21:46:51,605 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 21:46:51,605 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-23 21:46:51,606 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 21:46:51,606 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 21:46:51,606 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 21:46:51,672 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 21:46:51,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 21:46:51,696 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 21:46:51,697 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 21:46:51,698 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 21:46:51,699 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GateController.bpl [2018-09-23 21:46:51,700 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GateController.bpl' [2018-09-23 21:46:51,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 21:46:51,753 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 21:46:51,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 21:46:51,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 21:46:51,754 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 21:46:51,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:46:51" (1/1) ... [2018-09-23 21:46:51,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:46:51" (1/1) ... [2018-09-23 21:46:51,794 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-23 21:46:51,795 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-23 21:46:51,795 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-23 21:46:51,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 21:46:51,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 21:46:51,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 21:46:51,799 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 21:46:51,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:46:51" (1/1) ... [2018-09-23 21:46:51,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:46:51" (1/1) ... [2018-09-23 21:46:51,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:46:51" (1/1) ... [2018-09-23 21:46:51,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:46:51" (1/1) ... [2018-09-23 21:46:51,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:46:51" (1/1) ... [2018-09-23 21:46:51,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:46:51" (1/1) ... [2018-09-23 21:46:51,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:46:51" (1/1) ... [2018-09-23 21:46:51,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 21:46:51,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 21:46:51,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 21:46:51,821 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 21:46:51,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:46:51" (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 [2018-09-23 21:46:51,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2018-09-23 21:46:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2018-09-23 21:46:51,904 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2018-09-23 21:46:52,339 INFO L351 CfgBuilder]: Using library mode [2018-09-23 21:46:52,340 INFO L202 PluginConnector]: Adding new model GateController.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 09:46:52 BoogieIcfgContainer [2018-09-23 21:46:52,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 21:46:52,342 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-23 21:46:52,342 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-23 21:46:52,358 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-23 21:46:52,359 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "GateController.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 09:46:52" (1/1) ... [2018-09-23 21:46:52,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 21:46:52,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:46:52,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-23 21:46:52,420 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-23 21:46:52,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-23 21:46:52,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:46:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:46:52,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:46:52,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:46:52,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-09-23 21:46:52,641 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-09-23 21:46:52,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-23 21:46:52,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:46:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:46:52,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:46:53,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:46:53,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 8 states and 14 transitions. [2018-09-23 21:46:53,116 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 14 transitions. [2018-09-23 21:46:53,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 21:46:53,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:46:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:46:53,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:46:53,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:46:53,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 9 states and 19 transitions. [2018-09-23 21:46:53,431 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 19 transitions. [2018-09-23 21:46:53,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-23 21:46:53,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:46:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:46:53,612 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:46:53,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:46:53,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 10 states and 25 transitions. [2018-09-23 21:46:53,833 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 25 transitions. [2018-09-23 21:46:53,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-23 21:46:53,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:46:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:46:53,927 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:46:54,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:46:54,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 11 states and 32 transitions. [2018-09-23 21:46:54,528 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 32 transitions. [2018-09-23 21:46:54,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-23 21:46:54,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:46:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:46:54,614 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:46:54,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:46:54,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 12 states and 40 transitions. [2018-09-23 21:46:54,776 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 40 transitions. [2018-09-23 21:46:54,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-23 21:46:54,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:46:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:46:54,894 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:46:55,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:46:55,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 13 states and 49 transitions. [2018-09-23 21:46:55,071 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 49 transitions. [2018-09-23 21:46:55,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:46:55,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:46:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:46:55,168 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:46:55,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:46:55,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 14 states and 59 transitions. [2018-09-23 21:46:55,435 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 59 transitions. [2018-09-23 21:46:55,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-23 21:46:55,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:46:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:46:55,559 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:46:55,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:46:55,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 15 states and 70 transitions. [2018-09-23 21:46:55,860 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 70 transitions. [2018-09-23 21:46:55,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:46:55,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:46:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:46:56,044 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:46:56,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:46:56,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 16 states and 82 transitions. [2018-09-23 21:46:56,212 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 82 transitions. [2018-09-23 21:46:56,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:46:56,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:46:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:46:56,310 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:46:56,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:46:56,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 17 states and 95 transitions. [2018-09-23 21:46:56,578 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 95 transitions. [2018-09-23 21:46:56,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:46:56,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:46:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:46:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:46:57,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:46:57,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 18 states and 109 transitions. [2018-09-23 21:46:57,113 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 109 transitions. [2018-09-23 21:46:57,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-23 21:46:57,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:46:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:46:57,249 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:46:57,695 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-09-23 21:46:57,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:46:57,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 19 states and 124 transitions. [2018-09-23 21:46:57,849 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 124 transitions. [2018-09-23 21:46:57,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 21:46:57,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:46:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:46:58,012 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:46:58,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:46:58,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 20 states and 140 transitions. [2018-09-23 21:46:58,281 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 140 transitions. [2018-09-23 21:46:58,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-23 21:46:58,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:46:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:46:58,707 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:46:59,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:46:59,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 21 states and 157 transitions. [2018-09-23 21:46:59,067 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 157 transitions. [2018-09-23 21:46:59,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:46:59,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:46:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:46:59,432 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:46:59,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:46:59,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 22 states and 175 transitions. [2018-09-23 21:46:59,774 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 175 transitions. [2018-09-23 21:46:59,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-23 21:46:59,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:46:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:00,649 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:01,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:01,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 23 states and 194 transitions. [2018-09-23 21:47:01,108 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 194 transitions. [2018-09-23 21:47:01,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-23 21:47:01,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:01,263 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:01,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:01,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 24 states and 214 transitions. [2018-09-23 21:47:01,531 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 214 transitions. [2018-09-23 21:47:01,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-23 21:47:01,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:01,747 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:02,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:02,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 25 states and 235 transitions. [2018-09-23 21:47:02,084 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 235 transitions. [2018-09-23 21:47:02,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-23 21:47:02,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:02,285 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:02,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:02,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 26 states and 257 transitions. [2018-09-23 21:47:02,941 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 257 transitions. [2018-09-23 21:47:02,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-23 21:47:02,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:03,093 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:03,578 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-23 21:47:03,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:03,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 27 states and 280 transitions. [2018-09-23 21:47:03,710 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 280 transitions. [2018-09-23 21:47:03,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-23 21:47:03,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:04,095 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:04,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:04,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 28 states and 304 transitions. [2018-09-23 21:47:04,310 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 304 transitions. [2018-09-23 21:47:04,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-23 21:47:04,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:04,422 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:04,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:04,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 29 states and 329 transitions. [2018-09-23 21:47:04,748 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 329 transitions. [2018-09-23 21:47:04,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-23 21:47:04,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:04,925 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:05,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:05,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 30 states and 355 transitions. [2018-09-23 21:47:05,183 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 355 transitions. [2018-09-23 21:47:05,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-23 21:47:05,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:05,351 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:05,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:05,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 31 states and 382 transitions. [2018-09-23 21:47:05,684 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 382 transitions. [2018-09-23 21:47:05,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-23 21:47:05,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:06,138 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:06,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:06,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 32 states and 410 transitions. [2018-09-23 21:47:06,543 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 410 transitions. [2018-09-23 21:47:06,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-23 21:47:06,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:06,754 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:07,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:07,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 33 states and 439 transitions. [2018-09-23 21:47:07,372 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 439 transitions. [2018-09-23 21:47:07,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 21:47:07,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:08,696 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:09,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:09,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 34 states and 469 transitions. [2018-09-23 21:47:09,151 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 469 transitions. [2018-09-23 21:47:09,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-23 21:47:09,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:09,504 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:09,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:09,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 35 states and 500 transitions. [2018-09-23 21:47:09,764 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 500 transitions. [2018-09-23 21:47:09,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-23 21:47:09,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:10,004 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:10,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:10,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 36 states and 532 transitions. [2018-09-23 21:47:10,366 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 532 transitions. [2018-09-23 21:47:10,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-23 21:47:10,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:10,604 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:10,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:10,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 37 states and 565 transitions. [2018-09-23 21:47:10,876 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 565 transitions. [2018-09-23 21:47:10,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-23 21:47:10,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:12,432 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:12,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:12,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 38 states and 599 transitions. [2018-09-23 21:47:12,769 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 599 transitions. [2018-09-23 21:47:12,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-23 21:47:12,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:13,036 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:13,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:13,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 39 states and 634 transitions. [2018-09-23 21:47:13,413 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 634 transitions. [2018-09-23 21:47:13,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 21:47:13,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:13,721 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:14,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:14,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 40 states and 670 transitions. [2018-09-23 21:47:14,074 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 670 transitions. [2018-09-23 21:47:14,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-23 21:47:14,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:14,306 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:14,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:14,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 41 states and 707 transitions. [2018-09-23 21:47:14,979 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 707 transitions. [2018-09-23 21:47:14,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-23 21:47:14,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:15,198 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:15,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:15,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 42 states and 745 transitions. [2018-09-23 21:47:15,507 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 745 transitions. [2018-09-23 21:47:15,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-23 21:47:15,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:15,700 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:16,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:16,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 43 states and 784 transitions. [2018-09-23 21:47:16,070 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 784 transitions. [2018-09-23 21:47:16,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-23 21:47:16,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:16,475 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:16,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:16,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 44 states and 824 transitions. [2018-09-23 21:47:16,804 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 824 transitions. [2018-09-23 21:47:16,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-23 21:47:16,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:17,206 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:18,458 WARN L178 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-09-23 21:47:21,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:21,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 45 states and 865 transitions. [2018-09-23 21:47:21,448 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 865 transitions. [2018-09-23 21:47:21,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-23 21:47:21,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:21,699 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:22,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:22,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 46 states and 907 transitions. [2018-09-23 21:47:22,061 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 907 transitions. [2018-09-23 21:47:22,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-23 21:47:22,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:22,262 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:22,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:22,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 47 states and 950 transitions. [2018-09-23 21:47:22,626 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 950 transitions. [2018-09-23 21:47:22,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 21:47:22,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:22,967 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:23,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:23,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 48 states and 994 transitions. [2018-09-23 21:47:23,562 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 994 transitions. [2018-09-23 21:47:23,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-23 21:47:23,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:23,993 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:24,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:24,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 49 states and 1039 transitions. [2018-09-23 21:47:24,422 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 1039 transitions. [2018-09-23 21:47:24,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-23 21:47:24,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:24,672 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:25,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:25,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 50 states and 1085 transitions. [2018-09-23 21:47:25,093 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 1085 transitions. [2018-09-23 21:47:25,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-23 21:47:25,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:25,367 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:25,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:25,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 51 states and 1132 transitions. [2018-09-23 21:47:25,891 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 1132 transitions. [2018-09-23 21:47:25,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 21:47:25,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:26,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:26,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:26,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 52 states and 1180 transitions. [2018-09-23 21:47:26,934 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 1180 transitions. [2018-09-23 21:47:26,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-23 21:47:26,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:27,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:27,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:27,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 53 states and 1229 transitions. [2018-09-23 21:47:27,673 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 1229 transitions. [2018-09-23 21:47:27,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-23 21:47:27,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:28,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:28,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:28,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 54 states and 1279 transitions. [2018-09-23 21:47:28,833 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 1279 transitions. [2018-09-23 21:47:28,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-23 21:47:28,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:29,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:29,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:29,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 55 states and 1330 transitions. [2018-09-23 21:47:29,587 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 1330 transitions. [2018-09-23 21:47:29,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-23 21:47:29,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:29,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:30,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:30,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 56 states and 1382 transitions. [2018-09-23 21:47:30,284 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 1382 transitions. [2018-09-23 21:47:30,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-23 21:47:30,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:30,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:31,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:31,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 57 states and 1435 transitions. [2018-09-23 21:47:31,308 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 1435 transitions. [2018-09-23 21:47:31,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-23 21:47:31,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:31,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:32,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:32,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 58 states and 1489 transitions. [2018-09-23 21:47:32,269 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 1489 transitions. [2018-09-23 21:47:32,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-23 21:47:32,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:32,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:33,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:33,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 59 states and 1544 transitions. [2018-09-23 21:47:33,086 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 1544 transitions. [2018-09-23 21:47:33,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-23 21:47:33,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:34,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:34,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:34,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 60 states and 1600 transitions. [2018-09-23 21:47:34,823 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 1600 transitions. [2018-09-23 21:47:34,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-23 21:47:34,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:35,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:36,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:36,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 61 states and 1657 transitions. [2018-09-23 21:47:36,378 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 1657 transitions. [2018-09-23 21:47:36,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-23 21:47:36,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:36,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:37,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:37,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 62 states and 1715 transitions. [2018-09-23 21:47:37,310 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 1715 transitions. [2018-09-23 21:47:37,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-23 21:47:37,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:37,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:38,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:38,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 63 states and 1774 transitions. [2018-09-23 21:47:38,046 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 1774 transitions. [2018-09-23 21:47:38,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-23 21:47:38,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:38,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:38,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:38,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 64 states and 1834 transitions. [2018-09-23 21:47:38,940 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 1834 transitions. [2018-09-23 21:47:38,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-23 21:47:38,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:39,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:39,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:39,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 65 states and 1895 transitions. [2018-09-23 21:47:39,715 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 1895 transitions. [2018-09-23 21:47:39,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-23 21:47:39,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:39,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:40,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:40,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 66 states and 1957 transitions. [2018-09-23 21:47:40,561 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 1957 transitions. [2018-09-23 21:47:40,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-23 21:47:40,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:40,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:41,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:41,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 67 states and 2020 transitions. [2018-09-23 21:47:41,477 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 2020 transitions. [2018-09-23 21:47:41,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-23 21:47:41,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:41,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:42,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:42,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 68 states and 2084 transitions. [2018-09-23 21:47:42,571 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 2084 transitions. [2018-09-23 21:47:42,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-23 21:47:42,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:42,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:43,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:43,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 69 states and 2149 transitions. [2018-09-23 21:47:43,441 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 2149 transitions. [2018-09-23 21:47:43,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-23 21:47:43,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:43,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:44,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:44,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 70 states and 2215 transitions. [2018-09-23 21:47:44,312 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 2215 transitions. [2018-09-23 21:47:44,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-23 21:47:44,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:44,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:45,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:45,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 71 states and 2282 transitions. [2018-09-23 21:47:45,216 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 2282 transitions. [2018-09-23 21:47:45,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-23 21:47:45,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:45,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:46,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:46,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 72 states and 2350 transitions. [2018-09-23 21:47:46,065 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 2350 transitions. [2018-09-23 21:47:46,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-23 21:47:46,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:46,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:46,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:46,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 73 states and 2419 transitions. [2018-09-23 21:47:46,970 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 2419 transitions. [2018-09-23 21:47:46,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-23 21:47:46,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:47,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:47,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:47,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 74 states and 2489 transitions. [2018-09-23 21:47:47,947 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 2489 transitions. [2018-09-23 21:47:47,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-23 21:47:47,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:48,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:48,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:48,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 75 states and 2560 transitions. [2018-09-23 21:47:48,864 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 2560 transitions. [2018-09-23 21:47:48,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-23 21:47:48,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:49,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:50,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:50,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 76 states and 2632 transitions. [2018-09-23 21:47:50,024 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 2632 transitions. [2018-09-23 21:47:50,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-23 21:47:50,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:50,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:50,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:50,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 77 states and 2705 transitions. [2018-09-23 21:47:50,964 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 2705 transitions. [2018-09-23 21:47:50,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-23 21:47:50,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:51,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:52,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:52,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 78 states and 2779 transitions. [2018-09-23 21:47:52,003 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 2779 transitions. [2018-09-23 21:47:52,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-23 21:47:52,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:52,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:53,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:53,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 79 states and 2854 transitions. [2018-09-23 21:47:53,177 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 2854 transitions. [2018-09-23 21:47:53,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-23 21:47:53,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:53,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:54,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:54,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 80 states and 2930 transitions. [2018-09-23 21:47:54,229 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 2930 transitions. [2018-09-23 21:47:54,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-23 21:47:54,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:54,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:55,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:55,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3007 states to 81 states and 3007 transitions. [2018-09-23 21:47:55,224 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 3007 transitions. [2018-09-23 21:47:55,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-23 21:47:55,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:55,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:56,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:56,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 82 states and 3085 transitions. [2018-09-23 21:47:56,284 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 3085 transitions. [2018-09-23 21:47:56,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-23 21:47:56,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:56,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:57,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:57,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 83 states and 3164 transitions. [2018-09-23 21:47:57,526 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 3164 transitions. [2018-09-23 21:47:57,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-23 21:47:57,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:57,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:58,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:58,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 84 states and 3244 transitions. [2018-09-23 21:47:58,585 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 3244 transitions. [2018-09-23 21:47:58,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-23 21:47:58,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:58,810 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:47:59,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:47:59,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 85 states and 3325 transitions. [2018-09-23 21:47:59,647 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 3325 transitions. [2018-09-23 21:47:59,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-23 21:47:59,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:47:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:47:59,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:00,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:00,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 86 states and 3407 transitions. [2018-09-23 21:48:00,721 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 3407 transitions. [2018-09-23 21:48:00,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-23 21:48:00,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:01,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:01,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:01,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 87 states and 3490 transitions. [2018-09-23 21:48:01,842 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 3490 transitions. [2018-09-23 21:48:01,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-23 21:48:01,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:02,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:03,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:03,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 88 states and 3574 transitions. [2018-09-23 21:48:03,215 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 3574 transitions. [2018-09-23 21:48:03,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-23 21:48:03,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:03,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:04,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:04,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 89 states and 3659 transitions. [2018-09-23 21:48:04,365 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 3659 transitions. [2018-09-23 21:48:04,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-23 21:48:04,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:04,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:05,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:05,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 90 states and 3745 transitions. [2018-09-23 21:48:05,599 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 3745 transitions. [2018-09-23 21:48:05,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-23 21:48:05,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:05,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:06,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:06,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 91 states and 3832 transitions. [2018-09-23 21:48:06,745 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 3832 transitions. [2018-09-23 21:48:06,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-23 21:48:06,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:07,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:08,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:08,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 92 states and 3920 transitions. [2018-09-23 21:48:08,158 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 3920 transitions. [2018-09-23 21:48:08,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-23 21:48:08,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:08,440 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:09,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:09,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4009 states to 93 states and 4009 transitions. [2018-09-23 21:48:09,357 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 4009 transitions. [2018-09-23 21:48:09,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-23 21:48:09,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:09,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:10,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:10,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4099 states to 94 states and 4099 transitions. [2018-09-23 21:48:10,593 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 4099 transitions. [2018-09-23 21:48:10,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-23 21:48:10,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:11,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:11,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 95 states and 4190 transitions. [2018-09-23 21:48:11,808 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 4190 transitions. [2018-09-23 21:48:11,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-23 21:48:11,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:12,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:13,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:13,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4282 states to 96 states and 4282 transitions. [2018-09-23 21:48:13,328 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 4282 transitions. [2018-09-23 21:48:13,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-09-23 21:48:13,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:13,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:14,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:14,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4375 states to 97 states and 4375 transitions. [2018-09-23 21:48:14,633 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 4375 transitions. [2018-09-23 21:48:14,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-23 21:48:14,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:14,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:15,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:15,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4469 states to 98 states and 4469 transitions. [2018-09-23 21:48:15,984 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 4469 transitions. [2018-09-23 21:48:15,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-23 21:48:15,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:16,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:17,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:17,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4564 states to 99 states and 4564 transitions. [2018-09-23 21:48:17,270 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 4564 transitions. [2018-09-23 21:48:17,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-23 21:48:17,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:18,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:19,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:19,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4660 states to 100 states and 4660 transitions. [2018-09-23 21:48:19,008 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 4660 transitions. [2018-09-23 21:48:19,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-09-23 21:48:19,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:19,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:20,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:20,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4757 states to 101 states and 4757 transitions. [2018-09-23 21:48:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 4757 transitions. [2018-09-23 21:48:20,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-23 21:48:20,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:21,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:21,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4855 states to 102 states and 4855 transitions. [2018-09-23 21:48:21,704 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 4855 transitions. [2018-09-23 21:48:21,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-23 21:48:21,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:22,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:23,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:23,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4954 states to 103 states and 4954 transitions. [2018-09-23 21:48:23,495 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 4954 transitions. [2018-09-23 21:48:23,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-23 21:48:23,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:23,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:24,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:24,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5054 states to 104 states and 5054 transitions. [2018-09-23 21:48:24,886 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 5054 transitions. [2018-09-23 21:48:24,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-23 21:48:24,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:25,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:26,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:26,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5155 states to 105 states and 5155 transitions. [2018-09-23 21:48:26,299 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 5155 transitions. [2018-09-23 21:48:26,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-23 21:48:26,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:26,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:48:27,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:48:27,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5257 states to 106 states and 5257 transitions. [2018-09-23 21:48:27,722 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 5257 transitions. [2018-09-23 21:48:27,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-09-23 21:48:27,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:48:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:48:55,010 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... [2018-09-23 21:50:55,535 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-23 21:50:55,537 INFO L168 Benchmark]: Toolchain (without parser) took 243787.23 ms. Allocated memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: 1.5 GB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 103.2 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-09-23 21:50:55,538 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 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. [2018-09-23 21:50:55,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.89 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. [2018-09-23 21:50:55,539 INFO L168 Benchmark]: Boogie Preprocessor took 21.29 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. [2018-09-23 21:50:55,540 INFO L168 Benchmark]: RCFGBuilder took 520.89 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. [2018-09-23 21:50:55,540 INFO L168 Benchmark]: CodeCheck took 243194.43 ms. Allocated memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: 1.5 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 82.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-09-23 21:50:55,544 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 841 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.25 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 43.89 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 21.29 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 520.89 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 243194.43 ms. Allocated memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: 1.5 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 82.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/GateController.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-23_21-50-55-555.csv Completed graceful shutdown