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-c372c2b [2018-10-02 13:01:34,805 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 13:01:34,807 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 13:01:34,819 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 13:01:34,820 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 13:01:34,821 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 13:01:34,822 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 13:01:34,824 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 13:01:34,826 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 13:01:34,827 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 13:01:34,827 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 13:01:34,828 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 13:01:34,829 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 13:01:34,830 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 13:01:34,831 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 13:01:34,832 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 13:01:34,833 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 13:01:34,835 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 13:01:34,837 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 13:01:34,839 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 13:01:34,840 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 13:01:34,841 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 13:01:34,844 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 13:01:34,844 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 13:01:34,844 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 13:01:34,845 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 13:01:34,846 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 13:01:34,847 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 13:01:34,848 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 13:01:34,849 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 13:01:34,849 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 13:01:34,850 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 13:01:34,850 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 13:01:34,850 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 13:01:34,851 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 13:01:34,852 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 13:01:34,852 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 [2018-10-02 13:01:34,871 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 13:01:34,871 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 13:01:34,872 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 13:01:34,872 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 13:01:34,873 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 13:01:34,873 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 13:01:34,873 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 13:01:34,873 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 13:01:34,874 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 13:01:34,874 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 13:01:34,874 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 13:01:34,874 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 13:01:34,874 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 13:01:34,875 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 13:01:34,875 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 13:01:34,875 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 13:01:34,875 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 13:01:34,875 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 13:01:34,876 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 13:01:34,876 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-02 13:01:34,876 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 13:01:34,876 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 13:01:34,876 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 13:01:34,877 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 13:01:34,877 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 13:01:34,877 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 13:01:34,877 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 13:01:34,877 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 13:01:34,878 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 13:01:34,878 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 13:01:34,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 13:01:34,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 13:01:34,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 13:01:34,968 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 13:01:34,968 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 13:01:34,969 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl [2018-10-02 13:01:34,970 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl' [2018-10-02 13:01:35,022 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 13:01:35,025 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 13:01:35,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 13:01:35,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 13:01:35,027 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 13:01:35,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:01:35" (1/1) ... [2018-10-02 13:01:35,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:01:35" (1/1) ... [2018-10-02 13:01:35,069 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-02 13:01:35,070 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-02 13:01:35,070 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-02 13:01:35,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 13:01:35,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 13:01:35,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 13:01:35,074 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 13:01:35,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:01:35" (1/1) ... [2018-10-02 13:01:35,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:01:35" (1/1) ... [2018-10-02 13:01:35,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:01:35" (1/1) ... [2018-10-02 13:01:35,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:01:35" (1/1) ... [2018-10-02 13:01:35,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:01:35" (1/1) ... [2018-10-02 13:01:35,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:01:35" (1/1) ... [2018-10-02 13:01:35,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:01:35" (1/1) ... [2018-10-02 13:01:35,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 13:01:35,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 13:01:35,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 13:01:35,105 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 13:01:35,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:01:35" (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 [2018-10-02 13:01:35,193 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2018-10-02 13:01:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2018-10-02 13:01:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2018-10-02 13:01:35,709 INFO L337 CfgBuilder]: Using library mode [2018-10-02 13:01:35,709 INFO L202 PluginConnector]: Adding new model RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:01:35 BoogieIcfgContainer [2018-10-02 13:01:35,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 13:01:35,710 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 13:01:35,711 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 13:01:35,724 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 13:01:35,724 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:01:35" (1/1) ... [2018-10-02 13:01:35,742 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 13:01:35,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:35,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-02 13:01:35,789 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-02 13:01:35,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-02 13:01:35,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:36,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:01:36,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:36,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-10-02 13:01:36,268 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-10-02 13:01:36,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-02 13:01:36,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:36,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:01:36,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:36,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 7 states and 12 transitions. [2018-10-02 13:01:36,820 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 12 transitions. [2018-10-02 13:01:36,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-02 13:01:36,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:36,921 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:01:37,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:37,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 8 states and 17 transitions. [2018-10-02 13:01:37,421 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 17 transitions. [2018-10-02 13:01:37,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-02 13:01:37,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:37,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:01:38,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:38,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 9 states and 23 transitions. [2018-10-02 13:01:38,277 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 23 transitions. [2018-10-02 13:01:38,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 13:01:38,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:38,373 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:01:38,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:38,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 10 states and 30 transitions. [2018-10-02 13:01:38,982 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 30 transitions. [2018-10-02 13:01:38,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-02 13:01:38,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:39,108 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:01:39,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:39,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 11 states and 38 transitions. [2018-10-02 13:01:39,559 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 38 transitions. [2018-10-02 13:01:39,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-02 13:01:39,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:39,679 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:01:40,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:40,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 12 states and 47 transitions. [2018-10-02 13:01:40,835 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 47 transitions. [2018-10-02 13:01:40,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 13:01:40,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:40,938 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:01:41,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:41,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 13 states and 57 transitions. [2018-10-02 13:01:41,631 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 57 transitions. [2018-10-02 13:01:41,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-02 13:01:41,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:41,771 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:01:42,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:42,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 14 states and 68 transitions. [2018-10-02 13:01:42,798 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 68 transitions. [2018-10-02 13:01:42,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 13:01:42,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:43,069 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:01:43,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:43,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 15 states and 80 transitions. [2018-10-02 13:01:43,744 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 80 transitions. [2018-10-02 13:01:43,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 13:01:43,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:43,887 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:01:44,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:44,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 16 states and 93 transitions. [2018-10-02 13:01:44,924 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 93 transitions. [2018-10-02 13:01:44,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 13:01:44,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:45,125 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:01:46,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:46,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 17 states and 107 transitions. [2018-10-02 13:01:46,467 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 107 transitions. [2018-10-02 13:01:46,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-02 13:01:46,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:46,647 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:01:47,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:47,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 18 states and 122 transitions. [2018-10-02 13:01:47,435 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 122 transitions. [2018-10-02 13:01:47,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 13:01:47,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:47,784 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:01:48,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:48,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 19 states and 138 transitions. [2018-10-02 13:01:48,809 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 138 transitions. [2018-10-02 13:01:48,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 13:01:48,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:48,998 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:01:50,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:50,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 20 states and 155 transitions. [2018-10-02 13:01:50,066 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 155 transitions. [2018-10-02 13:01:50,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 13:01:50,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:50,208 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:01:51,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:51,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 21 states and 173 transitions. [2018-10-02 13:01:51,293 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 173 transitions. [2018-10-02 13:01:51,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-02 13:01:51,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:51,587 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:01:52,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:52,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 22 states and 192 transitions. [2018-10-02 13:01:52,811 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 192 transitions. [2018-10-02 13:01:52,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-02 13:01:52,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:53,827 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:01:55,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:55,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 23 states and 212 transitions. [2018-10-02 13:01:55,366 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 212 transitions. [2018-10-02 13:01:55,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-02 13:01:55,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:56,171 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:01:57,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:57,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 24 states and 233 transitions. [2018-10-02 13:01:57,571 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 233 transitions. [2018-10-02 13:01:57,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-02 13:01:57,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:57,933 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:01:59,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:01:59,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 25 states and 255 transitions. [2018-10-02 13:01:59,572 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 255 transitions. [2018-10-02 13:01:59,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-02 13:01:59,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:01:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:01:59,685 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:02:01,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:02:01,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 26 states and 278 transitions. [2018-10-02 13:02:01,257 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 278 transitions. [2018-10-02 13:02:01,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-02 13:02:01,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:02:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:02:01,431 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:02:03,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:02:03,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 27 states and 302 transitions. [2018-10-02 13:02:03,401 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 302 transitions. [2018-10-02 13:02:03,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-02 13:02:03,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:02:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:02:03,600 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:02:05,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:02:05,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 28 states and 327 transitions. [2018-10-02 13:02:05,633 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 327 transitions. [2018-10-02 13:02:05,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-02 13:02:05,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:02:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:02:05,816 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:02:07,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:02:07,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 29 states and 353 transitions. [2018-10-02 13:02:07,816 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 353 transitions. [2018-10-02 13:02:07,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-02 13:02:07,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:02:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:02:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:02:10,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:02:10,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 30 states and 380 transitions. [2018-10-02 13:02:10,314 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 380 transitions. [2018-10-02 13:02:10,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-02 13:02:10,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:02:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:02:11,020 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:02:13,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:02:13,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 31 states and 408 transitions. [2018-10-02 13:02:13,397 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 408 transitions. [2018-10-02 13:02:13,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-02 13:02:13,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:02:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:02:13,558 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:02:16,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:02:16,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 32 states and 437 transitions. [2018-10-02 13:02:16,205 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 437 transitions. [2018-10-02 13:02:16,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-02 13:02:16,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:02:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:02:16,347 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:02:18,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:02:18,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 33 states and 467 transitions. [2018-10-02 13:02:18,901 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 467 transitions. [2018-10-02 13:02:18,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-02 13:02:18,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:02:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:02:19,174 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:02:22,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:02:22,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 34 states and 498 transitions. [2018-10-02 13:02:22,196 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 498 transitions. [2018-10-02 13:02:22,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-02 13:02:22,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:02:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:02:22,397 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:02:25,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:02:25,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 35 states and 530 transitions. [2018-10-02 13:02:25,514 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 530 transitions. [2018-10-02 13:02:25,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-02 13:02:25,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:02:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:02:25,731 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:02:28,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:02:28,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 36 states and 563 transitions. [2018-10-02 13:02:28,770 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 563 transitions. [2018-10-02 13:02:28,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-02 13:02:28,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:02:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:02:29,136 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:02:32,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:02:32,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 37 states and 597 transitions. [2018-10-02 13:02:32,537 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 597 transitions. [2018-10-02 13:02:32,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-02 13:02:32,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:02:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:02:32,826 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:02:36,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:02:36,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 38 states and 632 transitions. [2018-10-02 13:02:36,571 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 632 transitions. [2018-10-02 13:02:36,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-02 13:02:36,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:02:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:02:36,796 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:02:40,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:02:40,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 39 states and 668 transitions. [2018-10-02 13:02:40,623 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 668 transitions. [2018-10-02 13:02:40,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-02 13:02:40,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:02:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:02:40,819 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:02:44,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:02:44,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 40 states and 705 transitions. [2018-10-02 13:02:44,794 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 705 transitions. [2018-10-02 13:02:44,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-02 13:02:44,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:02:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:02:45,005 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:02:49,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:02:49,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 41 states and 743 transitions. [2018-10-02 13:02:49,369 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 743 transitions. [2018-10-02 13:02:49,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-02 13:02:49,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:02:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:02:49,624 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:02:54,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:02:54,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 42 states and 782 transitions. [2018-10-02 13:02:54,057 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 782 transitions. [2018-10-02 13:02:54,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-02 13:02:54,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:02:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:02:54,258 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:03:00,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:03:00,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 43 states and 822 transitions. [2018-10-02 13:03:00,701 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 822 transitions. [2018-10-02 13:03:00,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-02 13:03:00,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:03:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:03:00,932 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:03:13,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:03:13,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 44 states and 863 transitions. [2018-10-02 13:03:13,436 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 863 transitions. [2018-10-02 13:03:13,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-02 13:03:13,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:03:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:03:13,735 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:03:18,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:03:18,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 45 states and 905 transitions. [2018-10-02 13:03:18,823 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 905 transitions. [2018-10-02 13:03:18,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-02 13:03:18,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:03:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:03:19,031 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:03:24,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:03:24,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 46 states and 948 transitions. [2018-10-02 13:03:24,323 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 948 transitions. [2018-10-02 13:03:24,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-02 13:03:24,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:03:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:03:24,754 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:03:31,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:03:31,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 47 states and 992 transitions. [2018-10-02 13:03:31,443 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 992 transitions. [2018-10-02 13:03:31,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-02 13:03:31,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:03:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:03:31,722 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:03:37,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:03:37,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 48 states and 1037 transitions. [2018-10-02 13:03:37,495 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 1037 transitions. [2018-10-02 13:03:37,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-02 13:03:37,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:03:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:03:37,781 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:03:43,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:03:43,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 49 states and 1083 transitions. [2018-10-02 13:03:43,807 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 1083 transitions. [2018-10-02 13:03:43,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-02 13:03:43,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:03:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:03:44,013 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:03:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:03:51,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 50 states and 1130 transitions. [2018-10-02 13:03:51,171 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 1130 transitions. [2018-10-02 13:03:51,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-02 13:03:51,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:03:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:03:51,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:03:58,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:03:58,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 51 states and 1178 transitions. [2018-10-02 13:03:58,219 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 1178 transitions. [2018-10-02 13:03:58,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-02 13:03:58,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:03:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:03:58,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:04:05,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:04:05,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 52 states and 1227 transitions. [2018-10-02 13:04:05,475 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 1227 transitions. [2018-10-02 13:04:05,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-02 13:04:05,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:04:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:04:06,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:04:13,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:04:13,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 53 states and 1277 transitions. [2018-10-02 13:04:13,830 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 1277 transitions. [2018-10-02 13:04:13,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-02 13:04:13,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:04:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:04:14,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:04:21,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:04:21,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 54 states and 1328 transitions. [2018-10-02 13:04:21,962 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 1328 transitions. [2018-10-02 13:04:21,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-02 13:04:21,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:04:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:04:22,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:04:30,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:04:30,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 55 states and 1380 transitions. [2018-10-02 13:04:30,134 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 1380 transitions. [2018-10-02 13:04:30,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-02 13:04:30,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:04:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:04:30,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:04:38,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:04:38,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 56 states and 1433 transitions. [2018-10-02 13:04:38,875 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 1433 transitions. [2018-10-02 13:04:38,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-02 13:04:38,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:04:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:04:39,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:04:47,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:04:47,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 57 states and 1487 transitions. [2018-10-02 13:04:47,500 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 1487 transitions. [2018-10-02 13:04:47,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-02 13:04:47,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:04:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:04:48,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:04:56,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:04:56,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 58 states and 1542 transitions. [2018-10-02 13:04:56,738 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 1542 transitions. [2018-10-02 13:04:56,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-02 13:04:56,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:04:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:04:56,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:05:05,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:05:05,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 59 states and 1598 transitions. [2018-10-02 13:05:05,949 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 1598 transitions. [2018-10-02 13:05:05,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-02 13:05:05,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:05:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:05:06,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:05:15,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:05:15,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 60 states and 1655 transitions. [2018-10-02 13:05:15,660 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 1655 transitions. [2018-10-02 13:05:15,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-02 13:05:15,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:05:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:05:15,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:05:25,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:05:25,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 61 states and 1713 transitions. [2018-10-02 13:05:25,607 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 1713 transitions. [2018-10-02 13:05:25,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-02 13:05:25,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:05:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:05:25,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:05:35,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:05:35,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 62 states and 1772 transitions. [2018-10-02 13:05:35,899 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 1772 transitions. [2018-10-02 13:05:35,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-02 13:05:35,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:05:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:05:36,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown