java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f-m [2018-10-04 14:54:54,518 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 14:54:54,520 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 14:54:54,535 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 14:54:54,536 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 14:54:54,537 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 14:54:54,538 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 14:54:54,539 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 14:54:54,541 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 14:54:54,542 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 14:54:54,543 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 14:54:54,543 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 14:54:54,544 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 14:54:54,545 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 14:54:54,546 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 14:54:54,547 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 14:54:54,548 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 14:54:54,550 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 14:54:54,552 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 14:54:54,553 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 14:54:54,554 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 14:54:54,555 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 14:54:54,558 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 14:54:54,558 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 14:54:54,558 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 14:54:54,559 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 14:54:54,560 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 14:54:54,562 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 14:54:54,563 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 14:54:54,566 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 14:54:54,568 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 14:54:54,569 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 14:54:54,569 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 14:54:54,569 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 14:54:54,573 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 14:54:54,574 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 14:54:54,574 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-04 14:54:54,603 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 14:54:54,603 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 14:54:54,604 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 14:54:54,604 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 14:54:54,605 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 14:54:54,605 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 14:54:54,605 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 14:54:54,606 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 14:54:54,606 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 14:54:54,606 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 14:54:54,606 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 14:54:54,606 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 14:54:54,607 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 14:54:54,607 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 14:54:54,607 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 14:54:54,607 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 14:54:54,607 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 14:54:54,608 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 14:54:54,608 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 14:54:54,608 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 14:54:54,608 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 14:54:54,608 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 14:54:54,609 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 14:54:54,609 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 14:54:54,609 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 14:54:54,609 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 14:54:54,609 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 14:54:54,610 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 14:54:54,611 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 14:54:54,611 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 14:54:54,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 14:54:54,694 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 14:54:54,703 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 14:54:54,704 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 14:54:54,705 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 14:54:54,706 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl [2018-10-04 14:54:54,706 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl' [2018-10-04 14:54:54,766 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 14:54:54,769 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 14:54:54,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 14:54:54,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 14:54:54,770 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 14:54:54,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:54:54" (1/1) ... [2018-10-04 14:54:54,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:54:54" (1/1) ... [2018-10-04 14:54:54,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 14:54:54,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 14:54:54,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 14:54:54,813 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 14:54:54,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:54:54" (1/1) ... [2018-10-04 14:54:54,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:54:54" (1/1) ... [2018-10-04 14:54:54,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:54:54" (1/1) ... [2018-10-04 14:54:54,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:54:54" (1/1) ... [2018-10-04 14:54:54,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:54:54" (1/1) ... [2018-10-04 14:54:54,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:54:54" (1/1) ... [2018-10-04 14:54:54,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:54:54" (1/1) ... [2018-10-04 14:54:54,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 14:54:54,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 14:54:54,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 14:54:54,840 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 14:54:54,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:54:54" (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 [2018-10-04 14:54:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 14:54:54,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 14:54:55,154 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 14:54:55,155 INFO L202 PluginConnector]: Adding new model down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:54:55 BoogieIcfgContainer [2018-10-04 14:54:55,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 14:54:55,155 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 14:54:55,155 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 14:54:55,166 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 14:54:55,167 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:54:55" (1/1) ... [2018-10-04 14:54:55,180 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:54:55,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:54:55,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-04 14:54:55,217 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-04 14:54:55,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 14:54:55,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:54:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:54:55,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:54:55,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:54:55,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-10-04 14:54:55,797 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-10-04 14:54:55,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 14:54:55,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:54:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:54:56,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:54:57,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:54:57,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2018-10-04 14:54:57,719 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2018-10-04 14:54:57,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:54:57,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:54:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:54:57,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:54:58,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:54:58,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-10-04 14:54:58,548 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-10-04 14:54:58,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:54:58,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:54:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:54:58,681 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:54:59,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:54:59,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-10-04 14:54:59,916 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-10-04 14:54:59,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:54:59,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:54:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:00,057 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:01,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:01,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-10-04 14:55:01,206 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-10-04 14:55:01,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 14:55:01,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:01,400 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:02,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:02,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-10-04 14:55:02,647 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-10-04 14:55:02,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:55:02,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:02,859 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:04,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:04,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-10-04 14:55:04,281 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-10-04 14:55:04,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 14:55:04,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:04,503 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:05,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:05,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-10-04 14:55:05,457 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-10-04 14:55:05,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 14:55:05,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:05,618 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:06,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:06,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-10-04 14:55:06,678 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-10-04 14:55:06,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 14:55:06,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:06,832 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:08,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:08,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-10-04 14:55:08,100 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-10-04 14:55:08,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 14:55:08,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:08,338 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:09,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:09,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2018-10-04 14:55:09,456 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2018-10-04 14:55:09,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 14:55:09,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:09,624 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:10,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:10,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-10-04 14:55:10,925 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-10-04 14:55:10,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 14:55:10,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:11,131 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:13,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:13,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-10-04 14:55:13,437 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-10-04 14:55:13,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 14:55:13,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:13,656 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:17,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:17,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2018-10-04 14:55:17,590 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2018-10-04 14:55:17,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 14:55:17,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:17,866 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:20,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:20,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 98 transitions. [2018-10-04 14:55:20,136 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2018-10-04 14:55:20,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 14:55:20,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:20,492 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:22,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:22,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2018-10-04 14:55:22,118 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2018-10-04 14:55:22,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 14:55:22,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:23,087 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:24,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:24,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-10-04 14:55:24,994 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-10-04 14:55:24,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 14:55:24,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:25,331 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:27,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:27,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2018-10-04 14:55:27,169 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2018-10-04 14:55:27,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 14:55:27,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:28,508 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:30,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:30,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 64 states and 131 transitions. [2018-10-04 14:55:30,489 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 131 transitions. [2018-10-04 14:55:30,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 14:55:30,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:30,758 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:32,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:32,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 133 transitions. [2018-10-04 14:55:32,838 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 133 transitions. [2018-10-04 14:55:32,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 14:55:32,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:33,193 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 110 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:35,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:35,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 149 transitions. [2018-10-04 14:55:35,385 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions. [2018-10-04 14:55:35,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 14:55:35,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:35,875 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:38,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:38,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 151 transitions. [2018-10-04 14:55:38,230 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2018-10-04 14:55:38,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 14:55:38,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:38,726 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:41,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:41,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2018-10-04 14:55:41,353 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2018-10-04 14:55:41,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 14:55:41,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:41,703 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:45,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:45,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 78 states and 170 transitions. [2018-10-04 14:55:45,605 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 170 transitions. [2018-10-04 14:55:45,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 14:55:45,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:46,009 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 156 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:48,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:48,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 82 states and 188 transitions. [2018-10-04 14:55:48,929 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 188 transitions. [2018-10-04 14:55:48,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 14:55:48,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:49,221 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:52,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:52,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2018-10-04 14:55:52,169 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2018-10-04 14:55:52,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 14:55:52,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:52,598 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:55,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:55,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2018-10-04 14:55:55,624 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2018-10-04 14:55:55,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 14:55:55,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:55:56,033 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:55:59,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:55:59,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 211 transitions. [2018-10-04 14:55:59,456 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 211 transitions. [2018-10-04 14:55:59,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 14:55:59,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:55:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:00,107 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 210 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:03,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:03,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 94 states and 231 transitions. [2018-10-04 14:56:03,228 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 231 transitions. [2018-10-04 14:56:03,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 14:56:03,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:03,544 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:07,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:07,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 96 states and 233 transitions. [2018-10-04 14:56:07,157 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 233 transitions. [2018-10-04 14:56:07,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 14:56:07,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:07,634 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:11,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:11,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 100 states and 254 transitions. [2018-10-04 14:56:11,144 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 254 transitions. [2018-10-04 14:56:11,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 14:56:11,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:11,470 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:15,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:15,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 102 states and 256 transitions. [2018-10-04 14:56:15,328 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 256 transitions. [2018-10-04 14:56:15,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 14:56:15,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:16,333 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:20,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:20,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 106 states and 278 transitions. [2018-10-04 14:56:20,248 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 278 transitions. [2018-10-04 14:56:20,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 14:56:20,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:20,852 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:25,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:25,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 108 states and 280 transitions. [2018-10-04 14:56:25,271 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 280 transitions. [2018-10-04 14:56:25,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 14:56:25,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:26,074 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:30,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:30,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 112 states and 303 transitions. [2018-10-04 14:56:30,587 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 303 transitions. [2018-10-04 14:56:30,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 14:56:30,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:31,053 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:35,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:35,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 114 states and 305 transitions. [2018-10-04 14:56:35,792 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 305 transitions. [2018-10-04 14:56:35,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 14:56:35,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:36,381 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 342 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:41,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:41,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 118 states and 329 transitions. [2018-10-04 14:56:41,133 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 329 transitions. [2018-10-04 14:56:41,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 14:56:41,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:41,525 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:46,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:46,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 120 states and 331 transitions. [2018-10-04 14:56:46,804 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 331 transitions. [2018-10-04 14:56:46,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 14:56:46,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:47,447 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:55,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:55,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 124 states and 356 transitions. [2018-10-04 14:56:55,895 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 356 transitions. [2018-10-04 14:56:55,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 14:56:55,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:56,454 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:02,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:02,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 126 states and 358 transitions. [2018-10-04 14:57:02,615 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 358 transitions. [2018-10-04 14:57:02,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 14:57:02,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:03,466 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:09,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:09,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 130 states and 384 transitions. [2018-10-04 14:57:09,701 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 384 transitions. [2018-10-04 14:57:09,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 14:57:09,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:10,236 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:17,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:17,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 132 states and 386 transitions. [2018-10-04 14:57:17,163 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 386 transitions. [2018-10-04 14:57:17,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 14:57:17,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:17,840 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:24,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:24,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 136 states and 413 transitions. [2018-10-04 14:57:24,143 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 413 transitions. [2018-10-04 14:57:24,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 14:57:24,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:24,566 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:31,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:31,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 138 states and 415 transitions. [2018-10-04 14:57:31,720 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 415 transitions. [2018-10-04 14:57:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 14:57:31,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:32,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 506 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:39,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:39,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 142 states and 443 transitions. [2018-10-04 14:57:39,618 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 443 transitions. [2018-10-04 14:57:39,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 14:57:39,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:40,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:47,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:47,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 144 states and 445 transitions. [2018-10-04 14:57:47,847 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 445 transitions. [2018-10-04 14:57:47,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-04 14:57:47,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:48,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:56,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:56,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 148 states and 474 transitions. [2018-10-04 14:57:56,409 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 474 transitions. [2018-10-04 14:57:56,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-04 14:57:56,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:56,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:05,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:05,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 150 states and 476 transitions. [2018-10-04 14:58:05,307 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 476 transitions. [2018-10-04 14:58:05,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-04 14:58:05,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:07,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:15,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:15,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 154 states and 506 transitions. [2018-10-04 14:58:15,603 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 506 transitions. [2018-10-04 14:58:15,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-04 14:58:15,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:16,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:25,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:25,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 156 states and 508 transitions. [2018-10-04 14:58:25,596 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 508 transitions. [2018-10-04 14:58:25,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-04 14:58:25,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:26,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 650 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:35,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:35,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 160 states and 539 transitions. [2018-10-04 14:58:35,016 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 539 transitions. [2018-10-04 14:58:35,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-04 14:58:35,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:35,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 702 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:45,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:45,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 162 states and 541 transitions. [2018-10-04 14:58:45,193 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 541 transitions. [2018-10-04 14:58:45,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-04 14:58:45,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:46,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 702 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:55,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:55,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 166 states and 573 transitions. [2018-10-04 14:58:55,572 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 573 transitions. [2018-10-04 14:58:55,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-04 14:58:55,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:56,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 756 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:59:06,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:59:06,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 168 states and 575 transitions. [2018-10-04 14:59:06,695 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 575 transitions. [2018-10-04 14:59:06,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-04 14:59:06,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:59:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:59:07,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 756 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown