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/GateController.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 03:03:33,595 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 03:03:33,597 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 03:03:33,610 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 03:03:33,610 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 03:03:33,611 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 03:03:33,612 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 03:03:33,614 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 03:03:33,616 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 03:03:33,617 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 03:03:33,618 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 03:03:33,618 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 03:03:33,619 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 03:03:33,620 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 03:03:33,622 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 03:03:33,623 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 03:03:33,623 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 03:03:33,625 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 03:03:33,627 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 03:03:33,629 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 03:03:33,630 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 03:03:33,632 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 03:03:33,635 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 03:03:33,635 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 03:03:33,636 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 03:03:33,637 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 03:03:33,638 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 03:03:33,639 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 03:03:33,640 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 03:03:33,641 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 03:03:33,642 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 03:03:33,642 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 03:03:33,643 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 03:03:33,643 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 03:03:33,644 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 03:03:33,645 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 03:03:33,646 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 [2018-10-01 03:03:33,676 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 03:03:33,676 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 03:03:33,677 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 03:03:33,678 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 03:03:33,678 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 03:03:33,680 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 03:03:33,681 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 03:03:33,681 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 03:03:33,682 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 03:03:33,682 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 03:03:33,682 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 03:03:33,682 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 03:03:33,683 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 03:03:33,683 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 03:03:33,683 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 03:03:33,683 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 03:03:33,684 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 03:03:33,684 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 03:03:33,684 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 03:03:33,684 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-01 03:03:33,684 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 03:03:33,684 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 03:03:33,686 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 03:03:33,686 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 03:03:33,686 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 03:03:33,686 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 03:03:33,687 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 03:03:33,687 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 03:03:33,687 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 03:03:33,687 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 03:03:33,765 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 03:03:33,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 03:03:33,791 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 03:03:33,793 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 03:03:33,794 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 03:03:33,795 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GateController.bpl [2018-10-01 03:03:33,796 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GateController.bpl' [2018-10-01 03:03:33,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 03:03:33,851 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 03:03:33,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 03:03:33,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 03:03:33,852 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 03:03:33,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,899 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-01 03:03:33,900 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-01 03:03:33,900 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-01 03:03:33,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 03:03:33,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 03:03:33,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 03:03:33,905 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 03:03:33,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 03:03:33,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 03:03:33,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 03:03:33,940 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 03:03:33,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (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 [2018-10-01 03:03:34,016 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2018-10-01 03:03:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2018-10-01 03:03:34,017 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2018-10-01 03:03:34,622 INFO L345 CfgBuilder]: Using library mode [2018-10-01 03:03:34,622 INFO L202 PluginConnector]: Adding new model GateController.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 03:03:34 BoogieIcfgContainer [2018-10-01 03:03:34,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 03:03:34,623 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 03:03:34,624 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 03:03:34,637 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 03:03:34,638 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "GateController.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 03:03:34" (1/1) ... [2018-10-01 03:03:34,652 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 03:03:34,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:34,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-01 03:03:34,687 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-01 03:03:34,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-01 03:03:34,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:34,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:35,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:35,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-10-01 03:03:35,061 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-10-01 03:03:35,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-01 03:03:35,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:35,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:35,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:35,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 8 states and 14 transitions. [2018-10-01 03:03:35,970 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 14 transitions. [2018-10-01 03:03:35,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-01 03:03:35,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:36,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:37,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:37,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 9 states and 19 transitions. [2018-10-01 03:03:37,032 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 19 transitions. [2018-10-01 03:03:37,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 03:03:37,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:37,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:37,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:37,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 10 states and 25 transitions. [2018-10-01 03:03:37,567 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 25 transitions. [2018-10-01 03:03:37,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 03:03:37,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:37,679 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:38,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:38,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 11 states and 32 transitions. [2018-10-01 03:03:38,395 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 32 transitions. [2018-10-01 03:03:38,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 03:03:38,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:38,518 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:39,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:39,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 12 states and 40 transitions. [2018-10-01 03:03:39,512 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 40 transitions. [2018-10-01 03:03:39,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 03:03:39,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:39,608 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:40,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:40,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 13 states and 49 transitions. [2018-10-01 03:03:40,350 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 49 transitions. [2018-10-01 03:03:40,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:03:40,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:40,503 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:41,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:41,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 14 states and 59 transitions. [2018-10-01 03:03:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 59 transitions. [2018-10-01 03:03:41,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-01 03:03:41,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:41,786 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:42,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:42,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 15 states and 70 transitions. [2018-10-01 03:03:42,881 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 70 transitions. [2018-10-01 03:03:42,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:03:42,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:43,015 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:44,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:44,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 16 states and 82 transitions. [2018-10-01 03:03:44,022 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 82 transitions. [2018-10-01 03:03:44,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 03:03:44,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:44,225 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:46,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:46,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 17 states and 95 transitions. [2018-10-01 03:03:46,403 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 95 transitions. [2018-10-01 03:03:46,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 03:03:46,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:46,537 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:47,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:47,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 18 states and 109 transitions. [2018-10-01 03:03:47,859 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 109 transitions. [2018-10-01 03:03:47,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:03:47,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:48,024 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:49,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:49,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 19 states and 124 transitions. [2018-10-01 03:03:49,785 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 124 transitions. [2018-10-01 03:03:49,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:03:49,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:49,961 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:51,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:51,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 20 states and 140 transitions. [2018-10-01 03:03:51,609 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 140 transitions. [2018-10-01 03:03:51,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 03:03:51,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:53,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:53,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 21 states and 157 transitions. [2018-10-01 03:03:53,709 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 157 transitions. [2018-10-01 03:03:53,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 03:03:53,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:54,136 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:56,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:56,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 22 states and 175 transitions. [2018-10-01 03:03:56,150 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 175 transitions. [2018-10-01 03:03:56,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-01 03:03:56,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:56,920 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:59,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:59,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 23 states and 194 transitions. [2018-10-01 03:03:59,295 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 194 transitions. [2018-10-01 03:03:59,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 03:03:59,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:59,590 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:02,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:02,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 24 states and 214 transitions. [2018-10-01 03:04:02,442 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 214 transitions. [2018-10-01 03:04:02,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 03:04:02,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:02,675 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:05,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:05,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 25 states and 235 transitions. [2018-10-01 03:04:05,309 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 235 transitions. [2018-10-01 03:04:05,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-01 03:04:05,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:05,500 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:08,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:08,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 26 states and 257 transitions. [2018-10-01 03:04:08,357 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 257 transitions. [2018-10-01 03:04:08,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-01 03:04:08,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:08,554 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:11,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:11,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 27 states and 280 transitions. [2018-10-01 03:04:11,620 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 280 transitions. [2018-10-01 03:04:11,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 03:04:11,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:12,165 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:15,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:15,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 28 states and 304 transitions. [2018-10-01 03:04:15,609 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 304 transitions. [2018-10-01 03:04:15,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-01 03:04:15,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:15,853 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:19,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:19,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 29 states and 329 transitions. [2018-10-01 03:04:19,496 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 329 transitions. [2018-10-01 03:04:19,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-01 03:04:19,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:19,739 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:23,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:23,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 30 states and 355 transitions. [2018-10-01 03:04:23,755 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 355 transitions. [2018-10-01 03:04:23,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-01 03:04:23,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:23,947 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:28,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:28,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 31 states and 382 transitions. [2018-10-01 03:04:28,143 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 382 transitions. [2018-10-01 03:04:28,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 03:04:28,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:28,632 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:33,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:33,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 32 states and 410 transitions. [2018-10-01 03:04:33,242 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 410 transitions. [2018-10-01 03:04:33,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-01 03:04:33,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:34,289 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:39,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 33 states and 439 transitions. [2018-10-01 03:04:39,951 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 439 transitions. [2018-10-01 03:04:39,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 03:04:39,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:40,243 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:45,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:45,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 34 states and 469 transitions. [2018-10-01 03:04:45,483 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 469 transitions. [2018-10-01 03:04:45,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-01 03:04:45,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:45,779 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:51,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:51,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 35 states and 500 transitions. [2018-10-01 03:04:51,449 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 500 transitions. [2018-10-01 03:04:51,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 03:04:51,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:51,672 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:57,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:57,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 36 states and 532 transitions. [2018-10-01 03:04:57,826 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 532 transitions. [2018-10-01 03:04:57,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-01 03:04:57,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:58,037 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:04,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:04,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 37 states and 565 transitions. [2018-10-01 03:05:04,159 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 565 transitions. [2018-10-01 03:05:04,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 03:05:04,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:04,523 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:11,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 38 states and 599 transitions. [2018-10-01 03:05:11,343 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 599 transitions. [2018-10-01 03:05:11,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-01 03:05:11,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:11,619 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:18,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:18,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 39 states and 634 transitions. [2018-10-01 03:05:18,641 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 634 transitions. [2018-10-01 03:05:18,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 03:05:18,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:18,996 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:26,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 40 states and 670 transitions. [2018-10-01 03:05:26,410 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 670 transitions. [2018-10-01 03:05:26,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-01 03:05:26,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:26,727 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:34,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:34,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 41 states and 707 transitions. [2018-10-01 03:05:34,695 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 707 transitions. [2018-10-01 03:05:34,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 03:05:34,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:35,020 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:41,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:41,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 42 states and 745 transitions. [2018-10-01 03:05:41,610 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 745 transitions. [2018-10-01 03:05:41,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-01 03:05:41,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:41,987 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:46,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:46,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 43 states and 784 transitions. [2018-10-01 03:05:46,769 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 784 transitions. [2018-10-01 03:05:46,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 03:05:46,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:47,000 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:51,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:51,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 44 states and 824 transitions. [2018-10-01 03:05:51,975 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 824 transitions. [2018-10-01 03:05:51,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-01 03:05:51,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:52,374 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:01,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:01,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 45 states and 865 transitions. [2018-10-01 03:06:01,372 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 865 transitions. [2018-10-01 03:06:01,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 03:06:01,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:01,593 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:07,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:07,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 46 states and 907 transitions. [2018-10-01 03:06:07,035 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 907 transitions. [2018-10-01 03:06:07,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-01 03:06:07,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:07,269 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:13,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:13,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 47 states and 950 transitions. [2018-10-01 03:06:13,009 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 950 transitions. [2018-10-01 03:06:13,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 03:06:13,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:19,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:19,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 48 states and 994 transitions. [2018-10-01 03:06:19,308 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 994 transitions. [2018-10-01 03:06:19,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-01 03:06:19,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:19,544 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:26,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:26,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 49 states and 1039 transitions. [2018-10-01 03:06:26,046 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 1039 transitions. [2018-10-01 03:06:26,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 03:06:26,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:26,387 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:32,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:32,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 50 states and 1085 transitions. [2018-10-01 03:06:32,971 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 1085 transitions. [2018-10-01 03:06:32,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-01 03:06:32,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:33,222 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:40,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:40,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 51 states and 1132 transitions. [2018-10-01 03:06:40,099 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 1132 transitions. [2018-10-01 03:06:40,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 03:06:40,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:40,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:47,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:47,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 52 states and 1180 transitions. [2018-10-01 03:06:47,665 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 1180 transitions. [2018-10-01 03:06:47,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 03:06:47,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:47,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:55,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:55,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 53 states and 1229 transitions. [2018-10-01 03:06:55,635 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 1229 transitions. [2018-10-01 03:06:55,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 03:06:55,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:56,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:03,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:03,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 54 states and 1279 transitions. [2018-10-01 03:07:03,899 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 1279 transitions. [2018-10-01 03:07:03,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 03:07:03,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:04,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:12,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:12,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 55 states and 1330 transitions. [2018-10-01 03:07:12,783 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 1330 transitions. [2018-10-01 03:07:12,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 03:07:12,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:12,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:21,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:21,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 56 states and 1382 transitions. [2018-10-01 03:07:21,364 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 1382 transitions. [2018-10-01 03:07:21,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-01 03:07:21,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:21,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:30,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:30,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 57 states and 1435 transitions. [2018-10-01 03:07:30,446 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 1435 transitions. [2018-10-01 03:07:30,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 03:07:30,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:31,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:40,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:40,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 58 states and 1489 transitions. [2018-10-01 03:07:40,611 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 1489 transitions. [2018-10-01 03:07:40,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 03:07:40,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:40,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:50,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:50,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 59 states and 1544 transitions. [2018-10-01 03:07:50,536 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 1544 transitions. [2018-10-01 03:07:50,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 03:07:50,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:50,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:00,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:00,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 60 states and 1600 transitions. [2018-10-01 03:08:00,675 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 1600 transitions. [2018-10-01 03:08:00,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 03:08:00,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:01,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:11,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:11,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 61 states and 1657 transitions. [2018-10-01 03:08:11,304 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 1657 transitions. [2018-10-01 03:08:11,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 03:08:11,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:11,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:22,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:22,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 62 states and 1715 transitions. [2018-10-01 03:08:22,296 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 1715 transitions. [2018-10-01 03:08:22,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 03:08:22,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:22,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:33,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:33,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 63 states and 1774 transitions. [2018-10-01 03:08:33,546 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 1774 transitions. [2018-10-01 03:08:33,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 03:08:33,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:33,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:45,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:45,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 64 states and 1834 transitions. [2018-10-01 03:08:45,096 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 1834 transitions. [2018-10-01 03:08:45,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-01 03:08:45,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:45,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:56,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:56,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 65 states and 1895 transitions. [2018-10-01 03:08:56,990 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 1895 transitions. [2018-10-01 03:08:56,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 03:08:56,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:57,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:09:09,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:09,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 66 states and 1957 transitions. [2018-10-01 03:09:09,550 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 1957 transitions. [2018-10-01 03:09:09,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-01 03:09:09,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:09,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:09:22,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:22,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 67 states and 2020 transitions. [2018-10-01 03:09:22,291 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 2020 transitions. [2018-10-01 03:09:22,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 03:09:22,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:22,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:09:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:35,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 68 states and 2084 transitions. [2018-10-01 03:09:35,654 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 2084 transitions. [2018-10-01 03:09:35,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-01 03:09:35,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:35,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:09:49,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:49,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 69 states and 2149 transitions. [2018-10-01 03:09:49,195 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 2149 transitions. [2018-10-01 03:09:49,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 03:09:49,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:49,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:03,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:03,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 70 states and 2215 transitions. [2018-10-01 03:10:03,821 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 2215 transitions. [2018-10-01 03:10:03,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-01 03:10:03,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:04,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:18,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:18,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 71 states and 2282 transitions. [2018-10-01 03:10:18,517 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 2282 transitions. [2018-10-01 03:10:18,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 03:10:18,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:18,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:33,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:33,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 72 states and 2350 transitions. [2018-10-01 03:10:33,517 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 2350 transitions. [2018-10-01 03:10:33,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-01 03:10:33,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:33,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:48,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:48,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 73 states and 2419 transitions. [2018-10-01 03:10:48,985 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 2419 transitions. [2018-10-01 03:10:48,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 03:10:48,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:49,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:04,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:04,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 74 states and 2489 transitions. [2018-10-01 03:11:04,805 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 2489 transitions. [2018-10-01 03:11:04,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-01 03:11:04,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:05,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:21,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:21,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 75 states and 2560 transitions. [2018-10-01 03:11:21,599 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 2560 transitions. [2018-10-01 03:11:21,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 03:11:21,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:21,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:38,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:38,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 76 states and 2632 transitions. [2018-10-01 03:11:38,602 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 2632 transitions. [2018-10-01 03:11:38,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-01 03:11:38,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:38,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:55,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 77 states and 2705 transitions. [2018-10-01 03:11:55,928 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 2705 transitions. [2018-10-01 03:11:55,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-01 03:11:55,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:56,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:14,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:14,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 78 states and 2779 transitions. [2018-10-01 03:12:14,544 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 2779 transitions. [2018-10-01 03:12:14,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-01 03:12:14,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:14,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:33,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:33,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 79 states and 2854 transitions. [2018-10-01 03:12:33,003 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 2854 transitions. [2018-10-01 03:12:33,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 03:12:33,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:33,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:51,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:51,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 80 states and 2930 transitions. [2018-10-01 03:12:51,857 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 2930 transitions. [2018-10-01 03:12:51,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-01 03:12:51,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:52,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:13:11,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:13:11,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3007 states to 81 states and 3007 transitions. [2018-10-01 03:13:11,332 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 3007 transitions. [2018-10-01 03:13:11,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 03:13:11,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:13:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:13:11,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:13:31,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:13:31,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 82 states and 3085 transitions. [2018-10-01 03:13:31,423 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 3085 transitions. [2018-10-01 03:13:31,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-01 03:13:31,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:13:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:13:31,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:13:52,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:13:52,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 83 states and 3164 transitions. [2018-10-01 03:13:52,043 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 3164 transitions. [2018-10-01 03:13:52,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 03:13:52,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:13:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:13:52,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:14:13,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:14:13,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 84 states and 3244 transitions. [2018-10-01 03:14:13,012 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 3244 transitions. [2018-10-01 03:14:13,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-01 03:14:13,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:14:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:14:13,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:14:34,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:14:34,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 85 states and 3325 transitions. [2018-10-01 03:14:34,525 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 3325 transitions. [2018-10-01 03:14:34,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-01 03:14:34,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:14:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:14:34,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:14:56,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:14:56,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 86 states and 3407 transitions. [2018-10-01 03:14:56,785 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 3407 transitions. [2018-10-01 03:14:56,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-01 03:14:56,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:14:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:14:57,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:19,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 87 states and 3490 transitions. [2018-10-01 03:15:19,403 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 3490 transitions. [2018-10-01 03:15:19,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-01 03:15:19,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:19,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:42,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:42,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 88 states and 3574 transitions. [2018-10-01 03:15:42,679 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 3574 transitions. [2018-10-01 03:15:42,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-01 03:15:42,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:42,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:16:06,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:16:06,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 89 states and 3659 transitions. [2018-10-01 03:16:06,282 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 3659 transitions. [2018-10-01 03:16:06,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-01 03:16:06,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:16:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:16:06,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:16:30,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:16:30,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 90 states and 3745 transitions. [2018-10-01 03:16:30,845 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 3745 transitions. [2018-10-01 03:16:30,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-01 03:16:30,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:16:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:16:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown