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/20170319-ConjunctivePathPrograms/jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:44:18,636 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:44:18,638 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:44:18,657 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:44:18,657 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:44:18,659 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:44:18,660 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:44:18,663 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:44:18,665 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:44:18,666 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:44:18,667 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:44:18,668 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:44:18,669 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:44:18,670 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:44:18,671 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:44:18,671 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:44:18,672 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:44:18,675 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:44:18,677 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:44:18,679 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:44:18,680 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:44:18,681 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:44:18,685 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:44:18,686 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:44:18,686 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:44:18,689 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:44:18,690 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:44:18,692 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:44:18,693 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:44:18,694 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:44:18,694 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:44:18,695 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:44:18,695 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:44:18,695 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:44:18,699 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:44:18,700 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:44:18,701 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 [2018-09-26 22:44:18,730 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:44:18,731 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:44:18,732 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:44:18,732 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:44:18,735 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:44:18,735 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:44:18,736 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:44:18,736 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:44:18,736 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:44:18,736 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:44:18,736 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:44:18,737 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:44:18,737 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:44:18,737 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:44:18,737 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:44:18,737 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:44:18,737 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:44:18,738 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:44:18,738 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:44:18,738 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:44:18,738 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:44:18,738 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:44:18,739 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:44:18,739 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:44:18,739 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:44:18,739 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:44:18,739 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:44:18,740 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:44:18,740 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:44:18,740 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:44:18,789 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:44:18,803 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:44:18,809 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:44:18,810 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:44:18,811 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:44:18,812 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl [2018-09-26 22:44:18,812 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl' [2018-09-26 22:44:18,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:44:18,873 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:44:18,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:44:18,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:44:18,876 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:44:18,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:44:18" (1/1) ... [2018-09-26 22:44:18,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:44:18" (1/1) ... [2018-09-26 22:44:18,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:44:18,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:44:18,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:44:18,921 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:44:18,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:44:18" (1/1) ... [2018-09-26 22:44:18,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:44:18" (1/1) ... [2018-09-26 22:44:18,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:44:18" (1/1) ... [2018-09-26 22:44:18,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:44:18" (1/1) ... [2018-09-26 22:44:18,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:44:18" (1/1) ... [2018-09-26 22:44:18,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:44:18" (1/1) ... [2018-09-26 22:44:18,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:44:18" (1/1) ... [2018-09-26 22:44:18,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:44:18,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:44:18,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:44:18,944 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:44:18,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:44:18" (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 [2018-09-26 22:44:19,030 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 22:44:19,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:44:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:44:19,319 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:44:19,320 INFO L202 PluginConnector]: Adding new model jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:44:19 BoogieIcfgContainer [2018-09-26 22:44:19,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:44:19,321 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:44:19,321 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:44:19,333 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:44:19,333 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:44:19" (1/1) ... [2018-09-26 22:44:19,348 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:44:19,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:19,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-26 22:44:19,385 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-26 22:44:19,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:44:19,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:19,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:20,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:20,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-09-26 22:44:20,135 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-09-26 22:44:20,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:44:20,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:20,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:22,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:22,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 9 states and 16 transitions. [2018-09-26 22:44:22,176 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 16 transitions. [2018-09-26 22:44:22,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:44:22,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:22,698 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:25,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:25,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 11 states and 22 transitions. [2018-09-26 22:44:25,343 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 22 transitions. [2018-09-26 22:44:25,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:44:25,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:25,844 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:28,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:28,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 13 states and 29 transitions. [2018-09-26 22:44:28,259 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 29 transitions. [2018-09-26 22:44:28,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:44:28,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:28,929 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:31,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:31,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 15 states and 37 transitions. [2018-09-26 22:44:31,387 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 37 transitions. [2018-09-26 22:44:31,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:44:31,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:32,631 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:36,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:36,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 17 states and 46 transitions. [2018-09-26 22:44:36,167 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 46 transitions. [2018-09-26 22:44:36,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:44:36,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:38,862 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:44,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:44,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 19 states and 56 transitions. [2018-09-26 22:44:44,390 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 56 transitions. [2018-09-26 22:44:44,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:44:44,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:47,815 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:54,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:54,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 21 states and 67 transitions. [2018-09-26 22:44:54,552 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 67 transitions. [2018-09-26 22:44:54,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:44:54,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:45:00,230 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:45:10,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:45:10,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 23 states and 78 transitions. [2018-09-26 22:45:10,328 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 78 transitions. [2018-09-26 22:45:10,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:45:10,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:45:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:45:19,762 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:45:33,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:45:33,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 25 states and 90 transitions. [2018-09-26 22:45:33,967 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 90 transitions. [2018-09-26 22:45:33,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:45:33,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:45:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:45:48,107 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:46:08,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:46:08,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 27 states and 103 transitions. [2018-09-26 22:46:08,161 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 103 transitions. [2018-09-26 22:46:08,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:46:08,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:46:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:46:29,114 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:46:56,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:46:56,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 29 states and 116 transitions. [2018-09-26 22:46:56,433 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 116 transitions. [2018-09-26 22:46:56,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:46:56,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:46:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:47:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:00,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:00,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 31 states and 130 transitions. [2018-09-26 22:48:00,908 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 130 transitions. [2018-09-26 22:48:00,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:48:00,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:40,828 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown