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/toy/tooDifficultLoopInvariant/ArrayInit02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:53:24,709 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:53:24,711 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:53:24,724 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:53:24,724 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:53:24,725 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:53:24,726 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:53:24,728 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:53:24,730 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:53:24,731 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:53:24,732 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:53:24,732 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:53:24,733 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:53:24,734 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:53:24,735 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:53:24,736 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:53:24,737 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:53:24,739 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:53:24,741 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:53:24,742 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:53:24,743 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:53:24,745 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:53:24,747 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:53:24,747 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:53:24,748 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:53:24,749 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:53:24,750 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:53:24,750 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:53:24,751 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:53:24,754 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:53:24,754 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:53:24,755 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:53:24,755 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:53:24,755 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:53:24,757 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:53:24,757 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:53:24,758 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-30 21:53:24,774 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:53:24,774 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:53:24,775 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:53:24,775 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:53:24,776 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:53:24,776 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:53:24,776 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:53:24,776 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:53:24,776 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:53:24,777 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:53:24,777 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:53:24,777 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:53:24,777 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:53:24,777 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:53:24,778 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:53:24,778 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:53:24,778 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:53:24,778 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:53:24,778 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:53:24,779 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 21:53:24,779 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:53:24,779 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:53:24,779 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:53:24,779 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:53:24,780 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:53:24,780 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:53:24,780 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:53:24,780 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:53:24,780 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:53:24,781 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:53:24,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:53:24,842 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:53:24,847 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:53:24,849 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:53:24,849 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:53:24,850 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit02.bpl [2018-09-30 21:53:24,850 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit02.bpl' [2018-09-30 21:53:24,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:53:24,912 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:53:24,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:53:24,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:53:24,913 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:53:24,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:24" (1/1) ... [2018-09-30 21:53:24,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:24" (1/1) ... [2018-09-30 21:53:24,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:53:24,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:53:24,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:53:24,958 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:53:24,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:24" (1/1) ... [2018-09-30 21:53:24,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:24" (1/1) ... [2018-09-30 21:53:24,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:24" (1/1) ... [2018-09-30 21:53:24,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:24" (1/1) ... [2018-09-30 21:53:24,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:24" (1/1) ... [2018-09-30 21:53:24,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:24" (1/1) ... [2018-09-30 21:53:24,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:24" (1/1) ... [2018-09-30 21:53:24,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:53:24,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:53:24,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:53:24,980 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:53:24,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:53:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:53:25,054 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-30 21:53:25,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 21:53:25,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 21:53:25,586 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 21:53:25,587 INFO L202 PluginConnector]: Adding new model ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:53:25 BoogieIcfgContainer [2018-09-30 21:53:25,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:53:25,588 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:53:25,588 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:53:25,605 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:53:25,605 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:53:25" (1/1) ... [2018-09-30 21:53:25,632 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 21:53:25,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:25,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2018-09-30 21:53:25,681 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-09-30 21:53:25,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 21:53:25,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:25,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:26,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:26,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-09-30 21:53:26,411 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-09-30 21:53:26,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 21:53:26,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:26,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:28,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:28,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-09-30 21:53:28,226 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-09-30 21:53:28,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:53:28,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:28,310 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:29,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:29,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2018-09-30 21:53:29,557 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2018-09-30 21:53:29,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:53:29,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:29,748 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:31,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:31,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2018-09-30 21:53:31,105 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2018-09-30 21:53:31,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:53:31,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:31,237 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:32,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:32,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-09-30 21:53:32,954 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-09-30 21:53:32,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:53:32,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:33,205 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:35,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:35,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2018-09-30 21:53:35,283 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2018-09-30 21:53:35,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:53:35,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:35,408 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:37,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:37,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2018-09-30 21:53:37,008 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2018-09-30 21:53:37,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:53:37,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:37,380 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:39,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:39,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2018-09-30 21:53:39,394 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2018-09-30 21:53:39,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 21:53:39,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:39,553 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:41,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:41,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2018-09-30 21:53:41,710 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2018-09-30 21:53:41,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 21:53:41,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:42,048 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:44,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:44,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2018-09-30 21:53:44,444 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2018-09-30 21:53:44,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-30 21:53:44,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:44,647 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 40 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:47,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:47,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2018-09-30 21:53:47,116 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2018-09-30 21:53:47,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 21:53:47,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:47,642 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:50,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:50,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 47 states and 75 transitions. [2018-09-30 21:53:50,654 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 75 transitions. [2018-09-30 21:53:50,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-30 21:53:50,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:50,918 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 57 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:54,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:54,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2018-09-30 21:53:54,248 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2018-09-30 21:53:54,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:53:54,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:54,711 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:59,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:59,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 54 states and 90 transitions. [2018-09-30 21:53:59,186 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 90 transitions. [2018-09-30 21:53:59,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-30 21:53:59,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:00,121 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 77 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:04,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:04,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 58 states and 103 transitions. [2018-09-30 21:54:04,063 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 103 transitions. [2018-09-30 21:54:04,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:54:04,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:04,645 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:08,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:08,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 61 states and 106 transitions. [2018-09-30 21:54:08,244 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2018-09-30 21:54:08,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-30 21:54:08,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:08,517 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 100 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:12,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:12,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 65 states and 120 transitions. [2018-09-30 21:54:12,626 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 120 transitions. [2018-09-30 21:54:12,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:54:12,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:13,439 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:17,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:17,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 68 states and 123 transitions. [2018-09-30 21:54:17,583 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 123 transitions. [2018-09-30 21:54:17,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 21:54:17,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:18,520 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 126 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:23,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:23,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 138 transitions. [2018-09-30 21:54:23,347 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 138 transitions. [2018-09-30 21:54:23,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:54:23,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:23,939 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:28,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:28,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 75 states and 141 transitions. [2018-09-30 21:54:28,741 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 141 transitions. [2018-09-30 21:54:28,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-30 21:54:28,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:29,088 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 155 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:34,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:34,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 79 states and 157 transitions. [2018-09-30 21:54:34,815 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 157 transitions. [2018-09-30 21:54:34,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:54:34,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:35,456 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:40,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:40,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 82 states and 160 transitions. [2018-09-30 21:54:40,910 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 160 transitions. [2018-09-30 21:54:40,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 21:54:40,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:41,327 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 187 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:47,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:47,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 86 states and 177 transitions. [2018-09-30 21:54:47,802 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 177 transitions. [2018-09-30 21:54:47,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:54:47,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:48,554 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:54,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:54,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 89 states and 180 transitions. [2018-09-30 21:54:54,647 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 180 transitions. [2018-09-30 21:54:54,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-30 21:54:54,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:55,304 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 222 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:02,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:02,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 93 states and 198 transitions. [2018-09-30 21:55:02,505 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 198 transitions. [2018-09-30 21:55:02,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:55:02,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:03,430 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:10,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:10,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 96 states and 201 transitions. [2018-09-30 21:55:10,729 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 201 transitions. [2018-09-30 21:55:10,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-30 21:55:10,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:11,126 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 260 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:18,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:18,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 100 states and 220 transitions. [2018-09-30 21:55:18,831 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 220 transitions. [2018-09-30 21:55:18,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 21:55:18,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:19,686 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:27,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:27,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 103 states and 223 transitions. [2018-09-30 21:55:27,836 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 223 transitions. [2018-09-30 21:55:27,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-30 21:55:27,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:28,241 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 301 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:37,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:37,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 107 states and 243 transitions. [2018-09-30 21:55:37,034 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 243 transitions. [2018-09-30 21:55:37,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 21:55:37,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:38,517 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 421 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:47,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:47,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 110 states and 246 transitions. [2018-09-30 21:55:47,139 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 246 transitions. [2018-09-30 21:55:47,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-30 21:55:47,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:47,837 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 345 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:57,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:57,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 114 states and 267 transitions. [2018-09-30 21:55:57,499 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 267 transitions. [2018-09-30 21:55:57,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 21:55:57,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:58,563 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 0 proven. 481 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:08,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:08,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 117 states and 270 transitions. [2018-09-30 21:56:08,185 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 270 transitions. [2018-09-30 21:56:08,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-30 21:56:08,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:08,831 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 392 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:19,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:19,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 121 states and 292 transitions. [2018-09-30 21:56:19,770 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 292 transitions. [2018-09-30 21:56:19,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 21:56:19,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:21,751 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 545 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:32,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:32,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 124 states and 295 transitions. [2018-09-30 21:56:32,376 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 295 transitions. [2018-09-30 21:56:32,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-30 21:56:32,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:33,120 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 442 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:44,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:44,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 128 states and 318 transitions. [2018-09-30 21:56:44,921 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 318 transitions. [2018-09-30 21:56:44,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-30 21:56:44,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:46,156 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 0 proven. 613 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:57,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:57,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 131 states and 321 transitions. [2018-09-30 21:56:57,819 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 321 transitions. [2018-09-30 21:56:57,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-30 21:56:57,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:58,493 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 495 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:57:11,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:57:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 135 states and 345 transitions. [2018-09-30 21:57:11,343 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 345 transitions. [2018-09-30 21:57:11,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-30 21:57:11,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:57:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:57:12,719 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 0 proven. 685 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:57:25,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:57:25,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 138 states and 348 transitions. [2018-09-30 21:57:25,567 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 348 transitions. [2018-09-30 21:57:25,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-30 21:57:25,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:57:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:57:26,166 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 551 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:57:40,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:57:40,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 142 states and 373 transitions. [2018-09-30 21:57:40,152 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 373 transitions. [2018-09-30 21:57:40,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-30 21:57:40,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:57:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:57:41,482 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 761 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown