java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2eb0a67 [2018-10-03 10:17:22,532 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 10:17:22,535 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 10:17:22,546 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 10:17:22,547 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 10:17:22,549 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 10:17:22,550 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 10:17:22,552 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 10:17:22,554 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 10:17:22,555 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 10:17:22,556 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-03 10:17:22,557 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-03 10:17:22,557 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-03 10:17:22,558 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-03 10:17:22,560 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-03 10:17:22,560 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-03 10:17:22,564 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-03 10:17:22,566 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-03 10:17:22,568 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-03 10:17:22,569 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-03 10:17:22,570 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-03 10:17:22,572 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-03 10:17:22,574 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-03 10:17:22,574 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-03 10:17:22,575 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-03 10:17:22,575 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-03 10:17:22,576 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-03 10:17:22,577 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-03 10:17:22,578 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-03 10:17:22,579 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-03 10:17:22,579 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-03 10:17:22,580 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-03 10:17:22,580 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-03 10:17:22,581 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-03 10:17:22,582 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-03 10:17:22,582 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-03 10:17:22,583 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 [2018-10-03 10:17:22,599 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 10:17:22,600 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 10:17:22,601 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 10:17:22,601 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 10:17:22,601 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 10:17:22,602 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 10:17:22,602 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 10:17:22,603 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 10:17:22,603 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 10:17:22,603 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 10:17:22,603 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 10:17:22,603 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 10:17:22,603 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 10:17:22,604 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 10:17:22,604 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 10:17:22,604 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 10:17:22,604 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 10:17:22,605 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-03 10:17:22,605 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-03 10:17:22,605 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-03 10:17:22,605 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 10:17:22,606 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 10:17:22,606 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 10:17:22,606 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 10:17:22,606 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 10:17:22,607 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 10:17:22,607 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-03 10:17:22,607 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 10:17:22,607 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 10:17:22,607 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 10:17:22,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 10:17:22,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 10:17:22,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 10:17:22,669 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 10:17:22,670 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 10:17:22,671 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl [2018-10-03 10:17:22,672 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl' [2018-10-03 10:17:22,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 10:17:22,742 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 10:17:22,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 10:17:22,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 10:17:22,743 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 10:17:22,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:17:22" (1/1) ... [2018-10-03 10:17:22,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:17:22" (1/1) ... [2018-10-03 10:17:22,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 10:17:22,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 10:17:22,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 10:17:22,783 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 10:17:22,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:17:22" (1/1) ... [2018-10-03 10:17:22,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:17:22" (1/1) ... [2018-10-03 10:17:22,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:17:22" (1/1) ... [2018-10-03 10:17:22,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:17:22" (1/1) ... [2018-10-03 10:17:22,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:17:22" (1/1) ... [2018-10-03 10:17:22,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:17:22" (1/1) ... [2018-10-03 10:17:22,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:17:22" (1/1) ... [2018-10-03 10:17:22,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 10:17:22,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 10:17:22,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 10:17:22,804 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 10:17:22,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:17:22" (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 [2018-10-03 10:17:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-03 10:17:22,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-03 10:17:23,166 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-03 10:17:23,166 INFO L202 PluginConnector]: Adding new model nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:17:23 BoogieIcfgContainer [2018-10-03 10:17:23,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 10:17:23,167 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-03 10:17:23,167 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-03 10:17:23,180 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-03 10:17:23,180 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:17:23" (1/1) ... [2018-10-03 10:17:23,194 INFO L106 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-03 10:17:23,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:23,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-10-03 10:17:23,240 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-10-03 10:17:23,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-03 10:17:23,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:23,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:17:23,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:23,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-10-03 10:17:23,737 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-10-03 10:17:23,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:17:23,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:23,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:17:24,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:24,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-10-03 10:17:24,187 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-10-03 10:17:24,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:17:24,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:24,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:17:24,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:24,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-10-03 10:17:24,925 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-10-03 10:17:24,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 10:17:24,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:25,018 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-03 10:17:25,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:25,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-10-03 10:17:25,987 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-10-03 10:17:25,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-03 10:17:25,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:26,070 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-03 10:17:27,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:27,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2018-10-03 10:17:27,141 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2018-10-03 10:17:27,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-03 10:17:27,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:27,232 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-03 10:17:28,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:28,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2018-10-03 10:17:28,168 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2018-10-03 10:17:28,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-03 10:17:28,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:28,319 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-03 10:17:29,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:29,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2018-10-03 10:17:29,289 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2018-10-03 10:17:29,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-03 10:17:29,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:29,695 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 70 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-03 10:17:30,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:30,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2018-10-03 10:17:30,194 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-10-03 10:17:30,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-03 10:17:30,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:30,259 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 120 proven. 12 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-03 10:17:30,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:30,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2018-10-03 10:17:30,789 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-10-03 10:17:30,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-03 10:17:30,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:31,194 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-03 10:17:32,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:32,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2018-10-03 10:17:32,858 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2018-10-03 10:17:32,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-03 10:17:32,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:32,997 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 262 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-03 10:17:34,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:34,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 59 states and 65 transitions. [2018-10-03 10:17:34,442 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2018-10-03 10:17:34,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-03 10:17:34,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:34,507 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 322 proven. 12 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-10-03 10:17:35,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:35,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 61 states and 67 transitions. [2018-10-03 10:17:35,209 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2018-10-03 10:17:35,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-03 10:17:35,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:35,318 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 452 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-03 10:17:36,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:36,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 71 states and 78 transitions. [2018-10-03 10:17:36,877 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2018-10-03 10:17:36,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-03 10:17:36,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:36,955 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 448 proven. 12 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-10-03 10:17:38,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:38,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 73 states and 80 transitions. [2018-10-03 10:17:38,377 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2018-10-03 10:17:38,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-03 10:17:38,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:38,528 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 0 proven. 694 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-03 10:17:40,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:40,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2018-10-03 10:17:40,559 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2018-10-03 10:17:40,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-03 10:17:40,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:40,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1048 backedges. 574 proven. 12 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2018-10-03 10:17:42,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:42,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 85 states and 93 transitions. [2018-10-03 10:17:42,747 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2018-10-03 10:17:42,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-03 10:17:42,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:42,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 0 proven. 988 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-10-03 10:17:46,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:46,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 95 states and 104 transitions. [2018-10-03 10:17:46,621 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2018-10-03 10:17:46,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-03 10:17:46,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:46,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 700 proven. 12 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2018-10-03 10:17:49,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:49,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 97 states and 106 transitions. [2018-10-03 10:17:49,477 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2018-10-03 10:17:49,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-03 10:17:49,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:49,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 0 proven. 1334 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-10-03 10:17:52,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 107 states and 117 transitions. [2018-10-03 10:17:52,242 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 117 transitions. [2018-10-03 10:17:52,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-03 10:17:52,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:52,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1812 backedges. 826 proven. 12 refuted. 0 times theorem prover too weak. 974 trivial. 0 not checked. [2018-10-03 10:17:53,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:53,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 109 states and 119 transitions. [2018-10-03 10:17:53,906 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 119 transitions. [2018-10-03 10:17:53,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-03 10:17:53,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:54,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1896 backedges. 0 proven. 1732 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-10-03 10:17:57,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:57,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 119 states and 130 transitions. [2018-10-03 10:17:57,077 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 130 transitions. [2018-10-03 10:17:57,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-03 10:17:57,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:57,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 952 proven. 12 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2018-10-03 10:17:59,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:59,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 121 states and 132 transitions. [2018-10-03 10:17:59,015 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 132 transitions. [2018-10-03 10:17:59,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-03 10:17:59,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:59,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2366 backedges. 0 proven. 2182 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-10-03 10:18:03,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:03,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 131 states and 143 transitions. [2018-10-03 10:18:03,561 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 143 transitions. [2018-10-03 10:18:03,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-03 10:18:03,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:03,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2784 backedges. 1078 proven. 12 refuted. 0 times theorem prover too weak. 1694 trivial. 0 not checked. [2018-10-03 10:18:05,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:05,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 133 states and 145 transitions. [2018-10-03 10:18:05,641 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 145 transitions. [2018-10-03 10:18:05,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-03 10:18:05,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:05,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2888 backedges. 0 proven. 2684 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-03 10:18:09,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:09,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 143 states and 156 transitions. [2018-10-03 10:18:09,461 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 156 transitions. [2018-10-03 10:18:09,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-03 10:18:09,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:09,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3348 backedges. 1204 proven. 12 refuted. 0 times theorem prover too weak. 2132 trivial. 0 not checked. [2018-10-03 10:18:11,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:11,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 145 states and 158 transitions. [2018-10-03 10:18:11,615 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 158 transitions. [2018-10-03 10:18:11,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-03 10:18:11,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:12,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3462 backedges. 0 proven. 3238 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2018-10-03 10:18:16,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:16,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 155 states and 169 transitions. [2018-10-03 10:18:16,340 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 169 transitions. [2018-10-03 10:18:16,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-03 10:18:16,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:16,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3964 backedges. 1330 proven. 12 refuted. 0 times theorem prover too weak. 2622 trivial. 0 not checked. [2018-10-03 10:18:19,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 157 states and 171 transitions. [2018-10-03 10:18:19,784 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 171 transitions. [2018-10-03 10:18:19,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-03 10:18:19,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:20,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4088 backedges. 0 proven. 3844 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-10-03 10:18:24,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:24,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 167 states and 182 transitions. [2018-10-03 10:18:24,741 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 182 transitions. [2018-10-03 10:18:24,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-03 10:18:24,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:24,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4632 backedges. 1456 proven. 12 refuted. 0 times theorem prover too weak. 3164 trivial. 0 not checked. [2018-10-03 10:18:29,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:29,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 169 states and 184 transitions. [2018-10-03 10:18:29,292 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 184 transitions. [2018-10-03 10:18:29,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-03 10:18:29,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:30,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4766 backedges. 0 proven. 4502 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-10-03 10:18:36,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:36,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 179 states and 195 transitions. [2018-10-03 10:18:36,502 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 195 transitions. [2018-10-03 10:18:36,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-03 10:18:36,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 5352 backedges. 1582 proven. 12 refuted. 0 times theorem prover too weak. 3758 trivial. 0 not checked. [2018-10-03 10:18:39,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:39,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 181 states and 197 transitions. [2018-10-03 10:18:39,814 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 197 transitions. [2018-10-03 10:18:39,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-03 10:18:39,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:40,071 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 0 proven. 5212 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-10-03 10:18:45,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:45,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 191 states and 208 transitions. [2018-10-03 10:18:45,634 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 208 transitions. [2018-10-03 10:18:45,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-03 10:18:45,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:45,794 INFO L134 CoverageAnalysis]: Checked inductivity of 6124 backedges. 1708 proven. 12 refuted. 0 times theorem prover too weak. 4404 trivial. 0 not checked. [2018-10-03 10:18:49,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:49,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 193 states and 210 transitions. [2018-10-03 10:18:49,346 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 210 transitions. [2018-10-03 10:18:49,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-03 10:18:49,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:49,868 INFO L134 CoverageAnalysis]: Checked inductivity of 6278 backedges. 0 proven. 5974 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2018-10-03 10:18:55,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:55,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 203 states and 221 transitions. [2018-10-03 10:18:55,923 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 221 transitions. [2018-10-03 10:18:55,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-03 10:18:55,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:56,082 INFO L134 CoverageAnalysis]: Checked inductivity of 6948 backedges. 1834 proven. 12 refuted. 0 times theorem prover too weak. 5102 trivial. 0 not checked. [2018-10-03 10:19:00,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:00,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 205 states and 223 transitions. [2018-10-03 10:19:00,025 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 223 transitions. [2018-10-03 10:19:00,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-03 10:19:00,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:01,219 INFO L134 CoverageAnalysis]: Checked inductivity of 7112 backedges. 0 proven. 6788 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2018-10-03 10:19:07,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:07,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 215 states and 234 transitions. [2018-10-03 10:19:07,963 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 234 transitions. [2018-10-03 10:19:07,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-03 10:19:07,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:08,231 INFO L134 CoverageAnalysis]: Checked inductivity of 7824 backedges. 1960 proven. 12 refuted. 0 times theorem prover too weak. 5852 trivial. 0 not checked. [2018-10-03 10:19:13,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:13,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 217 states and 236 transitions. [2018-10-03 10:19:13,647 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 236 transitions. [2018-10-03 10:19:13,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-03 10:19:13,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:14,372 INFO L134 CoverageAnalysis]: Checked inductivity of 7998 backedges. 0 proven. 7654 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2018-10-03 10:19:22,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:22,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 227 states and 247 transitions. [2018-10-03 10:19:22,134 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 247 transitions. [2018-10-03 10:19:22,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-03 10:19:22,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:22,399 INFO L134 CoverageAnalysis]: Checked inductivity of 8752 backedges. 2086 proven. 12 refuted. 0 times theorem prover too weak. 6654 trivial. 0 not checked. [2018-10-03 10:19:27,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:27,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 229 states and 249 transitions. [2018-10-03 10:19:27,376 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 249 transitions. [2018-10-03 10:19:27,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-10-03 10:19:27,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:27,868 INFO L134 CoverageAnalysis]: Checked inductivity of 8936 backedges. 0 proven. 8572 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-10-03 10:19:36,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:36,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 239 states and 260 transitions. [2018-10-03 10:19:36,332 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 260 transitions. [2018-10-03 10:19:36,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-10-03 10:19:36,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:36,581 INFO L134 CoverageAnalysis]: Checked inductivity of 9732 backedges. 2212 proven. 12 refuted. 0 times theorem prover too weak. 7508 trivial. 0 not checked. [2018-10-03 10:19:41,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:41,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 241 states and 262 transitions. [2018-10-03 10:19:41,732 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 262 transitions. [2018-10-03 10:19:41,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-10-03 10:19:41,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:42,120 INFO L134 CoverageAnalysis]: Checked inductivity of 9926 backedges. 0 proven. 9542 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-03 10:19:51,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 251 states and 273 transitions. [2018-10-03 10:19:51,330 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 273 transitions. [2018-10-03 10:19:51,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-03 10:19:51,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:51,556 INFO L134 CoverageAnalysis]: Checked inductivity of 10764 backedges. 2338 proven. 12 refuted. 0 times theorem prover too weak. 8414 trivial. 0 not checked. [2018-10-03 10:19:57,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:57,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 253 states and 275 transitions. [2018-10-03 10:19:57,258 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 275 transitions. [2018-10-03 10:19:57,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-10-03 10:19:57,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:57,635 INFO L134 CoverageAnalysis]: Checked inductivity of 10968 backedges. 0 proven. 10564 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2018-10-03 10:20:07,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:07,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 263 states and 286 transitions. [2018-10-03 10:20:07,195 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 286 transitions. [2018-10-03 10:20:07,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-03 10:20:07,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:07,460 INFO L134 CoverageAnalysis]: Checked inductivity of 11848 backedges. 2464 proven. 12 refuted. 0 times theorem prover too weak. 9372 trivial. 0 not checked. [2018-10-03 10:20:13,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:13,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 265 states and 288 transitions. [2018-10-03 10:20:13,696 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 288 transitions. [2018-10-03 10:20:13,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-10-03 10:20:13,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:14,592 INFO L134 CoverageAnalysis]: Checked inductivity of 12062 backedges. 0 proven. 11638 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2018-10-03 10:20:25,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:25,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 275 states and 299 transitions. [2018-10-03 10:20:25,177 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 299 transitions. [2018-10-03 10:20:25,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-03 10:20:25,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:25,451 INFO L134 CoverageAnalysis]: Checked inductivity of 12984 backedges. 2590 proven. 12 refuted. 0 times theorem prover too weak. 10382 trivial. 0 not checked. [2018-10-03 10:20:32,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:32,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 277 states and 301 transitions. [2018-10-03 10:20:32,729 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 301 transitions. [2018-10-03 10:20:32,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-10-03 10:20:32,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:33,186 INFO L134 CoverageAnalysis]: Checked inductivity of 13208 backedges. 0 proven. 12764 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2018-10-03 10:20:44,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:44,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 287 states and 312 transitions. [2018-10-03 10:20:44,584 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 312 transitions. [2018-10-03 10:20:44,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-10-03 10:20:44,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 14172 backedges. 2716 proven. 12 refuted. 0 times theorem prover too weak. 11444 trivial. 0 not checked. [2018-10-03 10:20:52,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:52,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 289 states and 314 transitions. [2018-10-03 10:20:52,299 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 314 transitions. [2018-10-03 10:20:52,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-10-03 10:20:52,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:52,900 INFO L134 CoverageAnalysis]: Checked inductivity of 14406 backedges. 0 proven. 13942 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2018-10-03 10:21:05,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:05,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 299 states and 325 transitions. [2018-10-03 10:21:05,185 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 325 transitions. [2018-10-03 10:21:05,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-10-03 10:21:05,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:05,343 INFO L134 CoverageAnalysis]: Checked inductivity of 15412 backedges. 2842 proven. 12 refuted. 0 times theorem prover too weak. 12558 trivial. 0 not checked. [2018-10-03 10:21:13,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:13,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 301 states and 327 transitions. [2018-10-03 10:21:13,532 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 327 transitions. [2018-10-03 10:21:13,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-10-03 10:21:13,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:14,138 INFO L134 CoverageAnalysis]: Checked inductivity of 15656 backedges. 0 proven. 15172 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2018-10-03 10:21:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:27,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 311 states and 338 transitions. [2018-10-03 10:21:27,333 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 338 transitions. [2018-10-03 10:21:27,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-10-03 10:21:27,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:27,605 INFO L134 CoverageAnalysis]: Checked inductivity of 16704 backedges. 2968 proven. 12 refuted. 0 times theorem prover too weak. 13724 trivial. 0 not checked. [2018-10-03 10:21:36,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:36,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 313 states and 340 transitions. [2018-10-03 10:21:36,498 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 340 transitions. [2018-10-03 10:21:36,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-10-03 10:21:36,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:37,061 INFO L134 CoverageAnalysis]: Checked inductivity of 16958 backedges. 0 proven. 16454 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown