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 0.1.23-9f4048f-m [2018-10-04 14:42:23,793 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 14:42:23,796 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 14:42:23,810 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 14:42:23,810 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 14:42:23,811 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 14:42:23,813 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 14:42:23,814 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 14:42:23,816 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 14:42:23,817 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 14:42:23,818 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 14:42:23,818 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 14:42:23,819 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 14:42:23,820 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 14:42:23,821 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 14:42:23,822 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 14:42:23,823 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 14:42:23,825 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 14:42:23,827 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 14:42:23,829 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 14:42:23,830 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 14:42:23,831 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 14:42:23,834 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 14:42:23,834 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 14:42:23,834 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 14:42:23,835 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 14:42:23,836 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 14:42:23,837 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 14:42:23,838 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 14:42:23,839 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 14:42:23,840 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 14:42:23,840 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 14:42:23,841 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 14:42:23,841 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 14:42:23,842 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 14:42:23,843 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 14:42:23,843 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 14:42:23,859 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 14:42:23,859 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 14:42:23,860 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 14:42:23,860 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 14:42:23,861 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 14:42:23,861 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 14:42:23,861 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 14:42:23,861 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 14:42:23,862 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 14:42:23,862 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 14:42:23,862 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 14:42:23,862 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 14:42:23,862 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 14:42:23,862 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 14:42:23,863 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 14:42:23,863 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 14:42:23,863 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 14:42:23,863 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 14:42:23,863 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 14:42:23,864 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 14:42:23,865 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 14:42:23,865 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 14:42:23,865 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 14:42:23,866 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 14:42:23,866 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 14:42:23,866 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 14:42:23,866 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 14:42:23,866 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 14:42:23,866 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 14:42:23,867 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 14:42:23,935 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 14:42:23,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 14:42:23,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 14:42:23,956 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 14:42:23,956 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 14:42:23,957 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl [2018-10-04 14:42:23,957 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl' [2018-10-04 14:42:24,001 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 14:42:24,003 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 14:42:24,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 14:42:24,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 14:42:24,004 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 14:42:24,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:23" (1/1) ... [2018-10-04 14:42:24,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:23" (1/1) ... [2018-10-04 14:42:24,043 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 14:42:24,043 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 14:42:24,044 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 14:42:24,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 14:42:24,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 14:42:24,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 14:42:24,047 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 14:42:24,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:23" (1/1) ... [2018-10-04 14:42:24,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:23" (1/1) ... [2018-10-04 14:42:24,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:23" (1/1) ... [2018-10-04 14:42:24,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:23" (1/1) ... [2018-10-04 14:42:24,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:23" (1/1) ... [2018-10-04 14:42:24,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:23" (1/1) ... [2018-10-04 14:42:24,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:23" (1/1) ... [2018-10-04 14:42:24,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 14:42:24,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 14:42:24,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 14:42:24,071 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 14:42:24,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:23" (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 14:42:24,159 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2018-10-04 14:42:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2018-10-04 14:42:24,159 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2018-10-04 14:42:24,620 INFO L338 CfgBuilder]: Using library mode [2018-10-04 14:42:24,620 INFO L202 PluginConnector]: Adding new model RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:42:24 BoogieIcfgContainer [2018-10-04 14:42:24,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 14:42:24,621 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 14:42:24,622 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 14:42:24,655 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 14:42:24,655 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:42:24" (1/1) ... [2018-10-04 14:42:24,683 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:42:24,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:24,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-04 14:42:24,733 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-04 14:42:24,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 14:42:24,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:24,887 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 14:42:25,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:25,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-10-04 14:42:25,038 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-10-04 14:42:25,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 14:42:25,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:25,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:25,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:25,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 7 states and 12 transitions. [2018-10-04 14:42:25,414 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 12 transitions. [2018-10-04 14:42:25,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 14:42:25,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:25,502 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:26,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:26,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 8 states and 17 transitions. [2018-10-04 14:42:26,015 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 17 transitions. [2018-10-04 14:42:26,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 14:42:26,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:26,180 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:26,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:26,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 9 states and 23 transitions. [2018-10-04 14:42:26,902 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 23 transitions. [2018-10-04 14:42:26,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 14:42:26,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:26,999 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:27,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:27,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 10 states and 30 transitions. [2018-10-04 14:42:27,525 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 30 transitions. [2018-10-04 14:42:27,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 14:42:27,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:27,618 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:28,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 11 states and 38 transitions. [2018-10-04 14:42:28,104 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 38 transitions. [2018-10-04 14:42:28,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 14:42:28,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:28,198 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:29,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:29,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 12 states and 47 transitions. [2018-10-04 14:42:29,230 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 47 transitions. [2018-10-04 14:42:29,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:42:29,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:29,349 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:30,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:30,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 13 states and 57 transitions. [2018-10-04 14:42:30,183 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 57 transitions. [2018-10-04 14:42:30,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 14:42:30,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:30,432 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:31,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:31,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 14 states and 68 transitions. [2018-10-04 14:42:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 68 transitions. [2018-10-04 14:42:31,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:42:31,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:31,458 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:32,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:32,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 15 states and 80 transitions. [2018-10-04 14:42:32,023 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 80 transitions. [2018-10-04 14:42:32,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:42:32,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:32,157 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:32,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:32,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 16 states and 93 transitions. [2018-10-04 14:42:32,820 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 93 transitions. [2018-10-04 14:42:32,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:42:32,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:32,966 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:34,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:34,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 17 states and 107 transitions. [2018-10-04 14:42:34,461 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 107 transitions. [2018-10-04 14:42:34,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 14:42:34,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:34,599 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:35,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:35,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 18 states and 122 transitions. [2018-10-04 14:42:35,453 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 122 transitions. [2018-10-04 14:42:35,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 14:42:35,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:35,670 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:36,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:36,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 19 states and 138 transitions. [2018-10-04 14:42:36,638 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 138 transitions. [2018-10-04 14:42:36,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 14:42:36,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:36,835 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:37,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:37,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 20 states and 155 transitions. [2018-10-04 14:42:37,747 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 155 transitions. [2018-10-04 14:42:37,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:42:37,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:38,255 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:39,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:39,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 21 states and 173 transitions. [2018-10-04 14:42:39,470 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 173 transitions. [2018-10-04 14:42:39,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 14:42:39,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:40,512 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:41,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:41,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 22 states and 192 transitions. [2018-10-04 14:42:41,727 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 192 transitions. [2018-10-04 14:42:41,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 14:42:41,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:42,752 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:44,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:44,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 23 states and 212 transitions. [2018-10-04 14:42:44,024 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 212 transitions. [2018-10-04 14:42:44,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 14:42:44,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:44,443 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:46,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:46,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 24 states and 233 transitions. [2018-10-04 14:42:46,221 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 233 transitions. [2018-10-04 14:42:46,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 14:42:46,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:46,327 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:47,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:47,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 25 states and 255 transitions. [2018-10-04 14:42:47,681 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 255 transitions. [2018-10-04 14:42:47,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 14:42:47,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:47,830 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:49,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:49,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 26 states and 278 transitions. [2018-10-04 14:42:49,241 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 278 transitions. [2018-10-04 14:42:49,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 14:42:49,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:49,381 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:51,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:51,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 27 states and 302 transitions. [2018-10-04 14:42:51,309 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 302 transitions. [2018-10-04 14:42:51,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 14:42:51,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:51,513 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:53,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:53,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 28 states and 327 transitions. [2018-10-04 14:42:53,231 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 327 transitions. [2018-10-04 14:42:53,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 14:42:53,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:53,379 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:55,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:55,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 29 states and 353 transitions. [2018-10-04 14:42:55,271 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 353 transitions. [2018-10-04 14:42:55,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 14:42:55,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:55,493 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:57,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:57,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 30 states and 380 transitions. [2018-10-04 14:42:57,703 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 380 transitions. [2018-10-04 14:42:57,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 14:42:57,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:58,431 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:00,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:00,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 31 states and 408 transitions. [2018-10-04 14:43:00,544 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 408 transitions. [2018-10-04 14:43:00,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 14:43:00,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:00,752 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:03,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:03,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 32 states and 437 transitions. [2018-10-04 14:43:03,271 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 437 transitions. [2018-10-04 14:43:03,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 14:43:03,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:03,432 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:05,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:05,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 33 states and 467 transitions. [2018-10-04 14:43:05,839 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 467 transitions. [2018-10-04 14:43:05,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 14:43:05,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:06,225 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:08,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:08,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 34 states and 498 transitions. [2018-10-04 14:43:08,915 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 498 transitions. [2018-10-04 14:43:08,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 14:43:08,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:09,132 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:12,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:12,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 35 states and 530 transitions. [2018-10-04 14:43:12,104 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 530 transitions. [2018-10-04 14:43:12,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 14:43:12,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:12,335 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:15,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:15,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 36 states and 563 transitions. [2018-10-04 14:43:15,226 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 563 transitions. [2018-10-04 14:43:15,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 14:43:15,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:15,569 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:18,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:18,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 37 states and 597 transitions. [2018-10-04 14:43:18,846 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 597 transitions. [2018-10-04 14:43:18,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 14:43:18,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:19,748 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:23,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:23,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 38 states and 632 transitions. [2018-10-04 14:43:23,241 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 632 transitions. [2018-10-04 14:43:23,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 14:43:23,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:23,476 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:27,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:27,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 39 states and 668 transitions. [2018-10-04 14:43:27,055 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 668 transitions. [2018-10-04 14:43:27,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 14:43:27,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:27,269 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:31,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 40 states and 705 transitions. [2018-10-04 14:43:31,068 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 705 transitions. [2018-10-04 14:43:31,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 14:43:31,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:31,284 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:35,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:35,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 41 states and 743 transitions. [2018-10-04 14:43:35,471 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 743 transitions. [2018-10-04 14:43:35,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 14:43:35,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:35,743 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:39,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:39,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 42 states and 782 transitions. [2018-10-04 14:43:39,932 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 782 transitions. [2018-10-04 14:43:39,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 14:43:39,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:40,250 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:46,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:46,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 43 states and 822 transitions. [2018-10-04 14:43:46,276 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 822 transitions. [2018-10-04 14:43:46,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 14:43:46,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:46,537 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:54,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:54,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 44 states and 863 transitions. [2018-10-04 14:43:54,375 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 863 transitions. [2018-10-04 14:43:54,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 14:43:54,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:54,921 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:59,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:59,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 45 states and 905 transitions. [2018-10-04 14:43:59,800 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 905 transitions. [2018-10-04 14:43:59,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 14:43:59,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:00,080 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:05,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:05,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 46 states and 948 transitions. [2018-10-04 14:44:05,189 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 948 transitions. [2018-10-04 14:44:05,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 14:44:05,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:05,602 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:11,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:11,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 47 states and 992 transitions. [2018-10-04 14:44:11,856 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 992 transitions. [2018-10-04 14:44:11,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 14:44:11,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:12,707 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:18,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:18,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 48 states and 1037 transitions. [2018-10-04 14:44:18,348 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 1037 transitions. [2018-10-04 14:44:18,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 14:44:18,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:18,568 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:24,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:24,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 49 states and 1083 transitions. [2018-10-04 14:44:24,509 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 1083 transitions. [2018-10-04 14:44:24,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 14:44:24,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:24,749 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:31,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:31,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 50 states and 1130 transitions. [2018-10-04 14:44:31,582 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 1130 transitions. [2018-10-04 14:44:31,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 14:44:31,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:31,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:38,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:38,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 51 states and 1178 transitions. [2018-10-04 14:44:38,400 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 1178 transitions. [2018-10-04 14:44:38,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-04 14:44:38,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:38,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:45,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:45,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 52 states and 1227 transitions. [2018-10-04 14:44:45,291 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 1227 transitions. [2018-10-04 14:44:45,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 14:44:45,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:46,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:53,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:53,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 53 states and 1277 transitions. [2018-10-04 14:44:53,103 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 1277 transitions. [2018-10-04 14:44:53,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 14:44:53,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:54,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:01,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:01,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 54 states and 1328 transitions. [2018-10-04 14:45:01,315 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 1328 transitions. [2018-10-04 14:45:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 14:45:01,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:01,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:09,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:09,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 55 states and 1380 transitions. [2018-10-04 14:45:09,207 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 1380 transitions. [2018-10-04 14:45:09,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 14:45:09,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:09,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:17,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:17,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 56 states and 1433 transitions. [2018-10-04 14:45:17,403 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 1433 transitions. [2018-10-04 14:45:17,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 14:45:17,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:17,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:25,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:25,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 57 states and 1487 transitions. [2018-10-04 14:45:25,907 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 1487 transitions. [2018-10-04 14:45:25,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 14:45:25,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:26,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:34,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:34,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 58 states and 1542 transitions. [2018-10-04 14:45:34,542 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 1542 transitions. [2018-10-04 14:45:34,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 14:45:34,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:34,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:43,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:43,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 59 states and 1598 transitions. [2018-10-04 14:45:43,512 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 1598 transitions. [2018-10-04 14:45:43,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 14:45:43,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:43,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:52,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:52,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 60 states and 1655 transitions. [2018-10-04 14:45:52,921 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 1655 transitions. [2018-10-04 14:45:52,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 14:45:52,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:45:53,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:02,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:02,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 61 states and 1713 transitions. [2018-10-04 14:46:02,767 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 1713 transitions. [2018-10-04 14:46:02,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 14:46:02,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:02,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:12,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:12,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 62 states and 1772 transitions. [2018-10-04 14:46:12,853 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 1772 transitions. [2018-10-04 14:46:12,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 14:46:12,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:13,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:23,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:23,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 63 states and 1832 transitions. [2018-10-04 14:46:23,250 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 1832 transitions. [2018-10-04 14:46:23,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-04 14:46:23,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown