java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/real-life/RailwayCrossing.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:38:35,678 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:38:35,680 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:38:35,692 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:38:35,693 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:38:35,694 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:38:35,695 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:38:35,697 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:38:35,699 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:38:35,700 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:38:35,701 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:38:35,701 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:38:35,702 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:38:35,704 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:38:35,705 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:38:35,706 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:38:35,707 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:38:35,709 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:38:35,711 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:38:35,713 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:38:35,714 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:38:35,721 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:38:35,725 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:38:35,725 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:38:35,726 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:38:35,727 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:38:35,728 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:38:35,728 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:38:35,729 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:38:35,734 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:38:35,735 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:38:35,736 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:38:35,737 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:38:35,737 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:38:35,738 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:38:35,740 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:38:35,740 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-26 22:38:35,768 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:38:35,768 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:38:35,772 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:38:35,772 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:38:35,773 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:38:35,773 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:38:35,774 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:38:35,774 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:38:35,774 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:38:35,774 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:38:35,775 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:38:35,775 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:38:35,775 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:38:35,775 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:38:35,776 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:38:35,776 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:38:35,776 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:38:35,776 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:38:35,778 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:38:35,778 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:38:35,778 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:38:35,778 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:38:35,779 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:38:35,779 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:38:35,779 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:38:35,779 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:38:35,780 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:38:35,780 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:38:35,780 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:38:35,780 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:38:35,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:38:35,864 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:38:35,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:38:35,873 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:38:35,874 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:38:35,874 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl [2018-09-26 22:38:35,875 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl' [2018-09-26 22:38:35,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:38:35,929 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:38:35,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:38:35,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:38:35,930 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:38:35,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,965 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 22:38:35,965 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 22:38:35,965 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 22:38:35,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:38:35,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:38:35,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:38:35,969 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:38:35,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:38:35,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:38:35,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:38:35,992 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:38:35,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:38:36,061 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2018-09-26 22:38:36,062 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2018-09-26 22:38:36,062 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2018-09-26 22:38:36,587 INFO L343 CfgBuilder]: Using library mode [2018-09-26 22:38:36,587 INFO L202 PluginConnector]: Adding new model RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:38:36 BoogieIcfgContainer [2018-09-26 22:38:36,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:38:36,588 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:38:36,588 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:38:36,598 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:38:36,598 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:38:36" (1/1) ... [2018-09-26 22:38:36,613 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:38:36,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:36,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 22:38:36,647 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 22:38:36,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 22:38:36,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:36,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:37,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:37,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-09-26 22:38:37,019 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-09-26 22:38:37,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:38:37,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:37,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:37,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:37,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 7 states and 12 transitions. [2018-09-26 22:38:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 12 transitions. [2018-09-26 22:38:37,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 22:38:37,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:37,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:38,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:38,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 8 states and 17 transitions. [2018-09-26 22:38:38,422 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 17 transitions. [2018-09-26 22:38:38,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:38:38,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:38,586 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:39,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:39,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 9 states and 23 transitions. [2018-09-26 22:38:39,418 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 23 transitions. [2018-09-26 22:38:39,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:38:39,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:39,506 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:41,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:41,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 10 states and 30 transitions. [2018-09-26 22:38:41,555 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 30 transitions. [2018-09-26 22:38:41,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:38:41,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:41,669 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:42,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:42,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 11 states and 38 transitions. [2018-09-26 22:38:42,457 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 38 transitions. [2018-09-26 22:38:42,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:38:42,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:42,544 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:43,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:43,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 12 states and 47 transitions. [2018-09-26 22:38:43,947 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 47 transitions. [2018-09-26 22:38:43,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:38:43,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:44,084 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:44,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:44,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 13 states and 57 transitions. [2018-09-26 22:38:44,951 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 57 transitions. [2018-09-26 22:38:44,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:38:44,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:45,068 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:46,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:46,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 14 states and 68 transitions. [2018-09-26 22:38:46,156 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 68 transitions. [2018-09-26 22:38:46,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:38:46,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:46,298 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:47,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:47,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 15 states and 80 transitions. [2018-09-26 22:38:47,095 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 80 transitions. [2018-09-26 22:38:47,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:38:47,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:47,336 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:48,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:48,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 16 states and 93 transitions. [2018-09-26 22:38:48,451 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 93 transitions. [2018-09-26 22:38:48,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:38:48,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:48,570 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:50,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:50,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 17 states and 107 transitions. [2018-09-26 22:38:50,279 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 107 transitions. [2018-09-26 22:38:50,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 22:38:50,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:50,707 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:51,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:51,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 18 states and 122 transitions. [2018-09-26 22:38:51,914 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 122 transitions. [2018-09-26 22:38:51,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:38:51,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:52,292 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:54,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:54,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 19 states and 138 transitions. [2018-09-26 22:38:54,201 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 138 transitions. [2018-09-26 22:38:54,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:38:54,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:54,331 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:55,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:55,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 20 states and 155 transitions. [2018-09-26 22:38:55,874 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 155 transitions. [2018-09-26 22:38:55,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:38:55,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:56,631 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:58,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:58,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 21 states and 173 transitions. [2018-09-26 22:38:58,670 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 173 transitions. [2018-09-26 22:38:58,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 22:38:58,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:59,465 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:01,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:01,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 22 states and 192 transitions. [2018-09-26 22:39:01,948 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 192 transitions. [2018-09-26 22:39:01,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:39:01,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:02,161 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:04,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:04,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 23 states and 212 transitions. [2018-09-26 22:39:04,440 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 212 transitions. [2018-09-26 22:39:04,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 22:39:04,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:04,584 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:06,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:06,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 24 states and 233 transitions. [2018-09-26 22:39:06,928 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 233 transitions. [2018-09-26 22:39:06,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:39:06,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:07,114 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:09,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:09,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 25 states and 255 transitions. [2018-09-26 22:39:09,961 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 255 transitions. [2018-09-26 22:39:09,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-26 22:39:09,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:10,782 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:13,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:13,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 26 states and 278 transitions. [2018-09-26 22:39:13,815 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 278 transitions. [2018-09-26 22:39:13,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:39:13,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:13,973 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:17,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:17,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 27 states and 302 transitions. [2018-09-26 22:39:17,369 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 302 transitions. [2018-09-26 22:39:17,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-26 22:39:17,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:17,578 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:21,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:21,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 28 states and 327 transitions. [2018-09-26 22:39:21,572 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 327 transitions. [2018-09-26 22:39:21,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:39:21,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:21,814 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:25,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:25,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 29 states and 353 transitions. [2018-09-26 22:39:25,888 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 353 transitions. [2018-09-26 22:39:25,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-26 22:39:25,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:26,109 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:30,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:30,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 30 states and 380 transitions. [2018-09-26 22:39:30,564 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 380 transitions. [2018-09-26 22:39:30,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:39:30,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:30,872 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:35,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:35,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 31 states and 408 transitions. [2018-09-26 22:39:35,910 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 408 transitions. [2018-09-26 22:39:35,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 22:39:35,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:36,192 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:41,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:41,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 32 states and 437 transitions. [2018-09-26 22:39:41,556 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 437 transitions. [2018-09-26 22:39:41,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:39:41,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:41,830 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:47,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:47,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 33 states and 467 transitions. [2018-09-26 22:39:47,985 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 467 transitions. [2018-09-26 22:39:47,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-26 22:39:47,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:48,287 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:54,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:54,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 34 states and 498 transitions. [2018-09-26 22:39:54,916 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 498 transitions. [2018-09-26 22:39:54,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:39:54,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:55,183 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:40:02,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:40:02,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 35 states and 530 transitions. [2018-09-26 22:40:02,507 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 530 transitions. [2018-09-26 22:40:02,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-26 22:40:02,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:40:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:40:02,812 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:40:10,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:40:10,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 36 states and 563 transitions. [2018-09-26 22:40:10,573 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 563 transitions. [2018-09-26 22:40:10,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:40:10,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:40:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:40:11,141 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:40:19,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:40:19,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 37 states and 597 transitions. [2018-09-26 22:40:19,667 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 597 transitions. [2018-09-26 22:40:19,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 22:40:19,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:40:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:40:20,690 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:40:29,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:40:29,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 38 states and 632 transitions. [2018-09-26 22:40:29,950 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 632 transitions. [2018-09-26 22:40:29,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:40:29,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:40:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:40:30,310 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:40:40,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:40:40,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 39 states and 668 transitions. [2018-09-26 22:40:40,255 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 668 transitions. [2018-09-26 22:40:40,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-26 22:40:40,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:40:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:40:40,640 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:40:51,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:40:51,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 40 states and 705 transitions. [2018-09-26 22:40:51,382 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 705 transitions. [2018-09-26 22:40:51,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:40:51,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:40:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:40:51,739 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:41:03,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:41:03,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 41 states and 743 transitions. [2018-09-26 22:41:03,167 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 743 transitions. [2018-09-26 22:41:03,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-26 22:41:03,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:41:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:41:03,480 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:41:15,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:41:15,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 42 states and 782 transitions. [2018-09-26 22:41:15,641 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 782 transitions. [2018-09-26 22:41:15,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:41:15,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:41:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:41:16,046 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:41:29,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:41:29,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 43 states and 822 transitions. [2018-09-26 22:41:29,074 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 822 transitions. [2018-09-26 22:41:29,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-26 22:41:29,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:41:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:41:29,965 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:41:47,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:41:47,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 44 states and 863 transitions. [2018-09-26 22:41:47,046 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 863 transitions. [2018-09-26 22:41:47,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:41:47,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:41:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:41:47,718 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:42:02,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:42:02,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 45 states and 905 transitions. [2018-09-26 22:42:02,661 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 905 transitions. [2018-09-26 22:42:02,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-26 22:42:02,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:42:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:42:03,024 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:42:19,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:42:19,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 46 states and 948 transitions. [2018-09-26 22:42:19,117 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 948 transitions. [2018-09-26 22:42:19,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:42:19,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:42:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:42:20,051 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:42:37,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:42:37,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 47 states and 992 transitions. [2018-09-26 22:42:37,119 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 992 transitions. [2018-09-26 22:42:37,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-26 22:42:37,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:42:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:42:37,524 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:42:55,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:42:55,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 48 states and 1037 transitions. [2018-09-26 22:42:55,592 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 1037 transitions. [2018-09-26 22:42:55,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:42:55,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:42:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:42:56,047 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown