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/jain_5.i_2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-133090d [2018-10-04 10:41:58,508 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:41:58,510 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:41:58,527 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:41:58,527 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:41:58,529 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:41:58,530 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:41:58,532 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:41:58,534 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:41:58,535 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:41:58,536 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:41:58,536 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:41:58,537 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:41:58,538 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:41:58,539 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:41:58,540 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:41:58,541 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:41:58,543 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:41:58,545 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:41:58,546 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:41:58,548 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:41:58,549 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:41:58,553 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:41:58,554 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:41:58,554 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:41:58,555 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:41:58,558 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:41:58,559 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:41:58,560 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:41:58,564 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:41:58,564 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:41:58,565 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 10:41:58,565 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 10:41:58,565 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 10:41:58,566 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 10:41:58,568 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 10:41:58,568 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-04 10:41:58,591 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:41:58,592 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:41:58,593 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:41:58,593 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:41:58,593 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:41:58,594 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:41:58,595 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:41:58,595 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:41:58,595 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:41:58,595 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:41:58,596 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:41:58,596 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:41:58,596 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:41:58,596 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:41:58,596 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:41:58,596 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:41:58,597 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:41:58,597 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:41:58,597 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:41:58,597 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 10:41:58,597 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:41:58,598 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:41:58,598 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:41:58,598 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:41:58,598 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:41:58,598 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:41:58,599 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:41:58,599 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:41:58,599 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:41:58,599 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:41:58,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:41:58,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:41:58,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:41:58,676 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:41:58,677 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:41:58,678 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jain_5.i_2.bpl [2018-10-04 10:41:58,678 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jain_5.i_2.bpl' [2018-10-04 10:41:58,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:41:58,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:41:58,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:41:58,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:41:58,737 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:41:58,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:41:58" (1/1) ... [2018-10-04 10:41:58,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:41:58" (1/1) ... [2018-10-04 10:41:58,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:41:58,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:41:58,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:41:58,773 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:41:58,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:41:58" (1/1) ... [2018-10-04 10:41:58,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:41:58" (1/1) ... [2018-10-04 10:41:58,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:41:58" (1/1) ... [2018-10-04 10:41:58,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:41:58" (1/1) ... [2018-10-04 10:41:58,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:41:58" (1/1) ... [2018-10-04 10:41:58,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:41:58" (1/1) ... [2018-10-04 10:41:58,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:41:58" (1/1) ... [2018-10-04 10:41:58,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:41:58,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:41:58,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:41:58,791 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:41:58,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:41:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:41:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 10:41:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 10:41:59,125 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 10:41:59,126 INFO L202 PluginConnector]: Adding new model jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:41:59 BoogieIcfgContainer [2018-10-04 10:41:59,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:41:59,126 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:41:59,127 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:41:59,139 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:41:59,139 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:41:59" (1/1) ... [2018-10-04 10:41:59,154 INFO L104 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 10:41:59,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:41:59,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-04 10:41:59,197 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-04 10:41:59,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 10:41:59,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:41:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:41:59,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:41:59,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:41:59,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-10-04 10:41:59,799 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-10-04 10:41:59,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 10:41:59,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:41:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:00,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:42:01,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:42:01,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-10-04 10:42:01,699 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-10-04 10:42:01,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:42:01,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:42:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:01,892 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:42:03,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:42:03,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2018-10-04 10:42:03,729 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2018-10-04 10:42:03,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:42:03,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:42:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:03,949 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:42:05,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:42:05,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 18 states and 32 transitions. [2018-10-04 10:42:05,891 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 32 transitions. [2018-10-04 10:42:05,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:42:05,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:42:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:06,268 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:42:08,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:42:08,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 22 states and 44 transitions. [2018-10-04 10:42:08,013 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 44 transitions. [2018-10-04 10:42:08,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:42:08,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:42:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:08,383 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:42:10,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:42:10,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 26 states and 58 transitions. [2018-10-04 10:42:10,317 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 58 transitions. [2018-10-04 10:42:10,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 10:42:10,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:42:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:10,787 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:42:12,139 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 28 new depth: 22 [2018-10-04 10:42:13,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:42:13,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 30 states and 74 transitions. [2018-10-04 10:42:13,265 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 74 transitions. [2018-10-04 10:42:13,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 10:42:13,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:42:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:13,902 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:42:17,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:42:17,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 34 states and 92 transitions. [2018-10-04 10:42:17,130 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 92 transitions. [2018-10-04 10:42:17,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:42:17,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:42:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:17,851 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:42:22,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:42:22,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 38 states and 112 transitions. [2018-10-04 10:42:22,223 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 112 transitions. [2018-10-04 10:42:22,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 10:42:22,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:42:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:23,165 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:42:26,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:42:26,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 42 states and 134 transitions. [2018-10-04 10:42:26,688 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 134 transitions. [2018-10-04 10:42:26,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 10:42:26,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:42:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:27,925 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:42:32,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:42:32,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 46 states and 158 transitions. [2018-10-04 10:42:32,145 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 158 transitions. [2018-10-04 10:42:32,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 10:42:32,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:42:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:34,005 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:42:37,948 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 44 new depth: 44 [2018-10-04 10:42:40,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:42:40,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 50 states and 184 transitions. [2018-10-04 10:42:40,118 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 184 transitions. [2018-10-04 10:42:40,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 10:42:40,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:42:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:42:48,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:42:48,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 54 states and 212 transitions. [2018-10-04 10:42:48,329 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 212 transitions. [2018-10-04 10:42:48,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 10:42:48,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:42:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:50,062 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:42:57,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:42:57,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 58 states and 242 transitions. [2018-10-04 10:42:57,061 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 242 transitions. [2018-10-04 10:42:57,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 10:42:57,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:42:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:59,176 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:43:07,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:07,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 62 states and 274 transitions. [2018-10-04 10:43:07,294 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 274 transitions. [2018-10-04 10:43:07,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 10:43:07,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:09,566 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:43:18,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:18,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 66 states and 308 transitions. [2018-10-04 10:43:18,516 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 308 transitions. [2018-10-04 10:43:18,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 10:43:18,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:21,236 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:43:31,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:31,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 70 states and 344 transitions. [2018-10-04 10:43:31,314 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 344 transitions. [2018-10-04 10:43:31,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 10:43:31,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:34,073 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:43:45,019 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 68 new depth: 68 [2018-10-04 10:43:47,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:47,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 74 states and 382 transitions. [2018-10-04 10:43:47,106 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 382 transitions. [2018-10-04 10:43:47,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 10:43:47,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:51,630 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:44:04,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:44:04,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 78 states and 422 transitions. [2018-10-04 10:44:04,251 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 422 transitions. [2018-10-04 10:44:04,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 10:44:04,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:44:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:44:07,925 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:44:22,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:44:22,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 82 states and 464 transitions. [2018-10-04 10:44:22,977 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 464 transitions. [2018-10-04 10:44:22,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 10:44:22,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:44:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:44:27,141 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:44:43,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:44:43,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 86 states and 508 transitions. [2018-10-04 10:44:43,747 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 508 transitions. [2018-10-04 10:44:43,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 10:44:43,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:44:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:44:48,874 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:45:07,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:45:07,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 90 states and 554 transitions. [2018-10-04 10:45:07,489 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 554 transitions. [2018-10-04 10:45:07,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 10:45:07,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:45:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:45:12,807 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:45:33,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:45:33,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 94 states and 602 transitions. [2018-10-04 10:45:33,967 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 602 transitions. [2018-10-04 10:45:33,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 10:45:33,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:45:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:45:39,958 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:45:58,445 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 91 new depth: 91 [2018-10-04 10:46:05,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:46:05,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 98 states and 652 transitions. [2018-10-04 10:46:05,626 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 652 transitions. [2018-10-04 10:46:05,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 10:46:05,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:46:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:46:13,513 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown