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/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 11:27:04,574 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 11:27:04,576 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 11:27:04,589 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 11:27:04,590 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 11:27:04,591 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 11:27:04,592 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 11:27:04,594 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 11:27:04,595 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 11:27:04,596 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 11:27:04,597 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 11:27:04,597 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 11:27:04,598 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 11:27:04,599 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 11:27:04,601 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 11:27:04,601 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 11:27:04,602 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 11:27:04,604 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 11:27:04,606 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 11:27:04,608 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 11:27:04,609 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 11:27:04,618 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 11:27:04,620 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 11:27:04,620 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 11:27:04,621 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 11:27:04,622 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 11:27:04,625 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 11:27:04,626 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 11:27:04,626 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 11:27:04,631 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 11:27:04,631 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 11:27:04,632 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 11:27:04,632 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 11:27:04,632 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 11:27:04,633 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 11:27:04,637 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 11:27:04,637 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 [2018-09-28 11:27:04,669 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 11:27:04,669 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 11:27:04,670 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 11:27:04,671 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 11:27:04,672 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 11:27:04,672 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 11:27:04,672 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 11:27:04,673 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 11:27:04,673 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 11:27:04,673 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 11:27:04,673 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 11:27:04,675 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 11:27:04,675 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 11:27:04,675 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 11:27:04,675 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 11:27:04,675 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 11:27:04,675 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 11:27:04,676 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 11:27:04,676 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 11:27:04,676 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-28 11:27:04,676 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 11:27:04,676 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 11:27:04,677 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 11:27:04,677 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 11:27:04,677 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 11:27:04,677 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 11:27:04,677 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 11:27:04,678 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 11:27:04,678 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 11:27:04,678 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 11:27:04,728 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 11:27:04,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 11:27:04,745 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 11:27:04,746 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 11:27:04,747 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 11:27:04,748 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl [2018-09-28 11:27:04,748 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl' [2018-09-28 11:27:04,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 11:27:04,802 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 11:27:04,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 11:27:04,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 11:27:04,803 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 11:27:04,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:27:04" (1/1) ... [2018-09-28 11:27:04,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:27:04" (1/1) ... [2018-09-28 11:27:04,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 11:27:04,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 11:27:04,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 11:27:04,843 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 11:27:04,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:27:04" (1/1) ... [2018-09-28 11:27:04,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:27:04" (1/1) ... [2018-09-28 11:27:04,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:27:04" (1/1) ... [2018-09-28 11:27:04,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:27:04" (1/1) ... [2018-09-28 11:27:04,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:27:04" (1/1) ... [2018-09-28 11:27:04,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:27:04" (1/1) ... [2018-09-28 11:27:04,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:27:04" (1/1) ... [2018-09-28 11:27:04,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 11:27:04,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 11:27:04,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 11:27:04,864 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 11:27:04,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:27:04" (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 [2018-09-28 11:27:04,945 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-28 11:27:04,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-28 11:27:04,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-28 11:27:05,280 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-28 11:27:05,281 INFO L202 PluginConnector]: Adding new model gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:27:05 BoogieIcfgContainer [2018-09-28 11:27:05,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 11:27:05,282 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 11:27:05,282 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 11:27:05,296 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 11:27:05,296 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:27:05" (1/1) ... [2018-09-28 11:27:05,313 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 11:27:05,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:05,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-28 11:27:05,352 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-28 11:27:05,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-28 11:27:05,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:05,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:05,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:05,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-09-28 11:27:05,998 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-09-28 11:27:05,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:27:05,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:06,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:07,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:07,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 9 states and 13 transitions. [2018-09-28 11:27:07,160 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2018-09-28 11:27:07,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:27:07,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:07,271 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:08,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2018-09-28 11:27:08,127 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2018-09-28 11:27:08,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 11:27:08,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:08,237 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:08,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:08,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2018-09-28 11:27:08,869 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2018-09-28 11:27:08,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 11:27:08,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:08,955 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:10,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:10,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2018-09-28 11:27:10,059 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2018-09-28 11:27:10,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 11:27:10,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:10,165 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:11,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:11,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2018-09-28 11:27:11,273 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2018-09-28 11:27:11,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 11:27:11,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:11,396 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:11,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:11,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-09-28 11:27:11,923 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-09-28 11:27:11,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 11:27:11,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:12,118 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:13,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:13,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2018-09-28 11:27:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2018-09-28 11:27:13,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-28 11:27:13,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:13,771 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:14,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:14,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-09-28 11:27:14,724 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-09-28 11:27:14,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-28 11:27:14,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:14,841 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:15,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:15,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2018-09-28 11:27:15,887 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2018-09-28 11:27:15,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-28 11:27:15,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:15,997 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:17,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:17,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2018-09-28 11:27:17,511 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2018-09-28 11:27:17,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-28 11:27:17,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:17,689 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:19,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:19,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2018-09-28 11:27:19,285 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2018-09-28 11:27:19,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-28 11:27:19,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:19,426 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:21,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:21,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2018-09-28 11:27:21,502 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2018-09-28 11:27:21,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-28 11:27:21,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:21,797 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:24,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:24,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2018-09-28 11:27:24,137 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2018-09-28 11:27:24,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-28 11:27:24,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:24,291 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:26,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:26,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2018-09-28 11:27:26,479 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2018-09-28 11:27:26,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-28 11:27:26,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:26,651 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:29,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:29,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2018-09-28 11:27:29,513 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2018-09-28 11:27:29,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-28 11:27:29,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:29,846 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:33,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:33,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2018-09-28 11:27:33,641 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2018-09-28 11:27:33,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-28 11:27:33,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:34,445 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:39,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:39,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2018-09-28 11:27:39,071 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2018-09-28 11:27:39,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-28 11:27:39,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:39,280 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:44,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:44,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-09-28 11:27:44,815 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-09-28 11:27:44,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-28 11:27:44,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:44,985 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:51,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:51,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2018-09-28 11:27:51,568 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2018-09-28 11:27:51,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-28 11:27:51,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:51,741 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:59,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:59,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2018-09-28 11:27:59,851 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2018-09-28 11:27:59,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-28 11:27:59,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:28:01,018 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:28:11,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:28:11,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 73 transitions. [2018-09-28 11:28:11,241 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2018-09-28 11:28:11,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-28 11:28:11,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:28:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:28:11,421 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:28:23,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:28:23,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2018-09-28 11:28:23,492 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2018-09-28 11:28:23,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-28 11:28:23,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:28:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:28:24,274 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:28:38,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:28:38,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 53 states and 79 transitions. [2018-09-28 11:28:38,860 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2018-09-28 11:28:38,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-28 11:28:38,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:28:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:28:39,046 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:28:56,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:28:56,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 82 transitions. [2018-09-28 11:28:56,597 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2018-09-28 11:28:56,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-28 11:28:56,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:28:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:28:56,832 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:29:17,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:29:17,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 85 transitions. [2018-09-28 11:29:17,858 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2018-09-28 11:29:17,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-28 11:29:17,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:29:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:29:18,337 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:29:43,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:29:43,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2018-09-28 11:29:43,518 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2018-09-28 11:29:43,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-28 11:29:43,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:29:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:29:43,754 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:30:13,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:30:13,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 61 states and 91 transitions. [2018-09-28 11:30:13,648 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2018-09-28 11:30:13,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-28 11:30:13,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:30:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:30:13,896 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:30:49,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:30:49,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 63 states and 94 transitions. [2018-09-28 11:30:49,419 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2018-09-28 11:30:49,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-28 11:30:49,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:30:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:30:49,666 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:31:31,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:31:31,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 65 states and 97 transitions. [2018-09-28 11:31:31,339 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 97 transitions. [2018-09-28 11:31:31,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-28 11:31:31,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:31:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:31:31,853 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown