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.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:01:34,516 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:01:34,518 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:01:34,532 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:01:34,532 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:01:34,533 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:01:34,535 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:01:34,537 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:01:34,539 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:01:34,540 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:01:34,541 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:01:34,543 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:01:34,544 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:01:34,546 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:01:34,558 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:01:34,559 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:01:34,560 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:01:34,561 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:01:34,563 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:01:34,565 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:01:34,566 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:01:34,567 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:01:34,569 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:01:34,569 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:01:34,569 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:01:34,570 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:01:34,571 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:01:34,572 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:01:34,572 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:01:34,573 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:01:34,573 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:01:34,574 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:01:34,574 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:01:34,574 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:01:34,575 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:01:34,576 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:01:34,577 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-30 21:01:34,592 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:01:34,592 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:01:34,593 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:01:34,594 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:01:34,594 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:01:34,594 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:01:34,595 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:01:34,595 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:01:34,595 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:01:34,595 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:01:34,595 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:01:34,596 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:01:34,596 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:01:34,596 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:01:34,596 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:01:34,596 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:01:34,596 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:01:34,597 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:01:34,597 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:01:34,597 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:01:34,597 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:01:34,597 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:01:34,598 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:01:34,598 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:01:34,598 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:01:34,598 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:01:34,598 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:01:34,599 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:01:34,599 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:01:34,659 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:01:34,673 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:01:34,678 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:01:34,682 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:01:34,683 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:01:34,683 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl [2018-09-30 21:01:34,684 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl' [2018-09-30 21:01:34,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:01:34,749 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:01:34,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:01:34,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:01:34,750 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:01:34,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:34" (1/1) ... [2018-09-30 21:01:34,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:34" (1/1) ... [2018-09-30 21:01:34,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:01:34,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:01:34,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:01:34,794 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:01:34,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:34" (1/1) ... [2018-09-30 21:01:34,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:34" (1/1) ... [2018-09-30 21:01:34,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:34" (1/1) ... [2018-09-30 21:01:34,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:34" (1/1) ... [2018-09-30 21:01:34,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:34" (1/1) ... [2018-09-30 21:01:34,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:34" (1/1) ... [2018-09-30 21:01:34,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:34" (1/1) ... [2018-09-30 21:01:34,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:01:34,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:01:34,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:01:34,819 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:01:34,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:01:34,902 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-30 21:01:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 21:01:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 21:01:35,216 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 21:01:35,216 INFO L202 PluginConnector]: Adding new model down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:01:35 BoogieIcfgContainer [2018-09-30 21:01:35,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:01:35,217 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:01:35,218 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:01:35,229 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:01:35,229 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:01:35" (1/1) ... [2018-09-30 21:01:35,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 21:01:35,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:35,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-09-30 21:01:35,283 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-09-30 21:01:35,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 21:01:35,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:35,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:35,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:35,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 8 states and 12 transitions. [2018-09-30 21:01:35,692 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 12 transitions. [2018-09-30 21:01:35,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 21:01:35,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:35,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:36,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:36,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-09-30 21:01:36,998 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-09-30 21:01:37,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:37,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:37,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:37,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:37,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 13 states and 24 transitions. [2018-09-30 21:01:37,818 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 24 transitions. [2018-09-30 21:01:37,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:01:37,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:37,895 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:38,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:38,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2018-09-30 21:01:38,617 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2018-09-30 21:01:38,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:01:38,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:38,737 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:39,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:39,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2018-09-30 21:01:39,315 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2018-09-30 21:01:39,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:01:39,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:39,517 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:40,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:40,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 38 transitions. [2018-09-30 21:01:40,413 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2018-09-30 21:01:40,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:01:40,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:40,577 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:41,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:41,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 23 states and 47 transitions. [2018-09-30 21:01:41,398 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 47 transitions. [2018-09-30 21:01:41,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 21:01:41,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:41,666 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:42,348 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-09-30 21:01:43,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:43,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 50 transitions. [2018-09-30 21:01:43,799 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 50 transitions. [2018-09-30 21:01:43,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:01:43,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:44,504 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:45,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:45,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 28 states and 60 transitions. [2018-09-30 21:01:45,911 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 60 transitions. [2018-09-30 21:01:45,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:01:45,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:46,042 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:47,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:47,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 30 states and 63 transitions. [2018-09-30 21:01:47,019 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 63 transitions. [2018-09-30 21:01:47,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:01:47,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:47,229 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:48,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:48,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 33 states and 74 transitions. [2018-09-30 21:01:48,117 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 74 transitions. [2018-09-30 21:01:48,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 21:01:48,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:48,279 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:49,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:49,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 35 states and 77 transitions. [2018-09-30 21:01:49,104 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 77 transitions. [2018-09-30 21:01:49,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-30 21:01:49,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:49,360 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:50,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:50,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 38 states and 89 transitions. [2018-09-30 21:01:50,651 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 89 transitions. [2018-09-30 21:01:50,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:01:50,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:50,773 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:51,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:51,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 40 states and 92 transitions. [2018-09-30 21:01:51,912 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 92 transitions. [2018-09-30 21:01:51,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 21:01:51,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:52,209 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 56 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:53,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:53,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 43 states and 105 transitions. [2018-09-30 21:01:53,515 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 105 transitions. [2018-09-30 21:01:53,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-30 21:01:53,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:53,943 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 36 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:55,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:55,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 45 states and 108 transitions. [2018-09-30 21:01:55,181 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 108 transitions. [2018-09-30 21:01:55,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-30 21:01:55,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:55,676 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 72 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:57,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:57,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 48 states and 122 transitions. [2018-09-30 21:01:57,002 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 122 transitions. [2018-09-30 21:01:57,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:01:57,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:57,226 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 45 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:58,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:58,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 50 states and 125 transitions. [2018-09-30 21:01:58,421 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 125 transitions. [2018-09-30 21:01:58,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:01:58,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:58,784 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 90 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:00,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:00,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 53 states and 140 transitions. [2018-09-30 21:02:00,160 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 140 transitions. [2018-09-30 21:02:00,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-30 21:02:00,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:01,149 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 55 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:02,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:02,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 55 states and 143 transitions. [2018-09-30 21:02:02,578 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 143 transitions. [2018-09-30 21:02:02,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 21:02:02,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:02,859 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 110 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:04,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:04,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 58 states and 159 transitions. [2018-09-30 21:02:04,425 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 159 transitions. [2018-09-30 21:02:04,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:02:04,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:04,635 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 66 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:06,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:06,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 60 states and 162 transitions. [2018-09-30 21:02:06,470 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 162 transitions. [2018-09-30 21:02:06,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:02:06,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:06,827 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:08,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:08,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 63 states and 179 transitions. [2018-09-30 21:02:08,659 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 179 transitions. [2018-09-30 21:02:08,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-30 21:02:08,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:09,423 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 78 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:11,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:11,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 65 states and 182 transitions. [2018-09-30 21:02:11,282 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 182 transitions. [2018-09-30 21:02:11,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 21:02:11,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:11,662 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 156 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:13,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:13,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 68 states and 200 transitions. [2018-09-30 21:02:13,564 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 200 transitions. [2018-09-30 21:02:13,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:02:13,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 91 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:15,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:15,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 70 states and 203 transitions. [2018-09-30 21:02:15,593 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 203 transitions. [2018-09-30 21:02:15,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:02:15,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:16,296 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 182 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:18,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:18,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 73 states and 222 transitions. [2018-09-30 21:02:18,168 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 222 transitions. [2018-09-30 21:02:18,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-30 21:02:18,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:18,555 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 105 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:20,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:20,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 75 states and 225 transitions. [2018-09-30 21:02:20,417 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 225 transitions. [2018-09-30 21:02:20,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 21:02:20,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:21,329 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 210 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:23,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:23,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 78 states and 245 transitions. [2018-09-30 21:02:23,322 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 245 transitions. [2018-09-30 21:02:23,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:02:23,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:23,649 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 120 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:25,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:25,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 80 states and 248 transitions. [2018-09-30 21:02:25,732 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 248 transitions. [2018-09-30 21:02:25,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:02:25,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:26,366 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 240 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:28,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:28,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 83 states and 269 transitions. [2018-09-30 21:02:28,628 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 269 transitions. [2018-09-30 21:02:28,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 21:02:28,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:29,236 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 136 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:31,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:31,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 85 states and 272 transitions. [2018-09-30 21:02:31,598 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 272 transitions. [2018-09-30 21:02:31,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-30 21:02:31,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:32,081 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 272 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:34,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:34,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 88 states and 294 transitions. [2018-09-30 21:02:34,468 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 294 transitions. [2018-09-30 21:02:34,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:02:34,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:35,612 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 153 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:38,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:38,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 90 states and 297 transitions. [2018-09-30 21:02:38,032 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 297 transitions. [2018-09-30 21:02:38,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:02:38,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:38,785 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 306 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:41,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:41,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 93 states and 320 transitions. [2018-09-30 21:02:41,196 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 320 transitions. [2018-09-30 21:02:41,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-30 21:02:41,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:41,826 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 171 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:44,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:44,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 95 states and 323 transitions. [2018-09-30 21:02:44,386 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 323 transitions. [2018-09-30 21:02:44,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-30 21:02:44,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:45,032 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 342 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:47,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:47,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 98 states and 347 transitions. [2018-09-30 21:02:47,968 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 347 transitions. [2018-09-30 21:02:47,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 21:02:47,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:48,244 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 190 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:50,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:50,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 100 states and 350 transitions. [2018-09-30 21:02:50,687 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 350 transitions. [2018-09-30 21:02:50,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 21:02:50,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:51,241 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 380 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:54,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:54,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 103 states and 375 transitions. [2018-09-30 21:02:54,282 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 375 transitions. [2018-09-30 21:02:54,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-30 21:02:54,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:54,613 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 210 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:57,373 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-09-30 21:03:01,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:01,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 105 states and 378 transitions. [2018-09-30 21:03:01,803 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 378 transitions. [2018-09-30 21:03:01,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-30 21:03:01,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:02,589 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 420 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:05,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:05,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 108 states and 404 transitions. [2018-09-30 21:03:05,600 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 404 transitions. [2018-09-30 21:03:05,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 21:03:05,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:06,056 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 231 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:09,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:09,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 110 states and 407 transitions. [2018-09-30 21:03:09,007 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 407 transitions. [2018-09-30 21:03:09,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 21:03:09,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:09,952 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 462 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:13,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:13,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 113 states and 434 transitions. [2018-09-30 21:03:13,212 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 434 transitions. [2018-09-30 21:03:13,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-30 21:03:13,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:13,727 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 253 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:16,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:16,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 115 states and 437 transitions. [2018-09-30 21:03:16,512 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 437 transitions. [2018-09-30 21:03:16,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-30 21:03:16,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:17,784 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 506 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:20,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:21,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 118 states and 465 transitions. [2018-09-30 21:03:21,000 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 465 transitions. [2018-09-30 21:03:21,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 21:03:21,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:21,363 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 276 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:24,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:24,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 120 states and 468 transitions. [2018-09-30 21:03:24,582 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 468 transitions. [2018-09-30 21:03:24,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-30 21:03:24,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:25,483 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 552 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:29,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:29,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 123 states and 497 transitions. [2018-09-30 21:03:29,094 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 497 transitions. [2018-09-30 21:03:29,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-30 21:03:29,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:29,523 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 300 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:32,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:32,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 125 states and 500 transitions. [2018-09-30 21:03:32,544 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 500 transitions. [2018-09-30 21:03:32,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-30 21:03:32,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:33,869 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 600 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:37,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:37,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 128 states and 530 transitions. [2018-09-30 21:03:37,302 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 530 transitions. [2018-09-30 21:03:37,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-30 21:03:37,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:37,964 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 325 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:41,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:41,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 130 states and 533 transitions. [2018-09-30 21:03:41,141 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 533 transitions. [2018-09-30 21:03:41,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 21:03:41,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:42,542 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 650 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:46,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:46,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 133 states and 564 transitions. [2018-09-30 21:03:46,509 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 564 transitions. [2018-09-30 21:03:46,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-30 21:03:46,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:47,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 351 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:50,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:50,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 135 states and 567 transitions. [2018-09-30 21:03:50,917 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 567 transitions. [2018-09-30 21:03:50,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-30 21:03:50,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:52,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 702 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:56,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:56,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 138 states and 599 transitions. [2018-09-30 21:03:56,528 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 599 transitions. [2018-09-30 21:03:56,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-30 21:03:56,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 378 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:00,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:00,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 140 states and 602 transitions. [2018-09-30 21:04:00,635 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 602 transitions. [2018-09-30 21:04:00,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-30 21:04:00,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:01,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 756 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:05,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:05,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 143 states and 635 transitions. [2018-09-30 21:04:05,603 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 635 transitions. [2018-09-30 21:04:05,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-30 21:04:05,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:06,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 406 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:09,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:09,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 145 states and 638 transitions. [2018-09-30 21:04:09,845 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 638 transitions. [2018-09-30 21:04:09,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-30 21:04:09,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:10,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 812 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:14,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 148 states and 672 transitions. [2018-09-30 21:04:14,851 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 672 transitions. [2018-09-30 21:04:14,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-30 21:04:14,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:15,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1247 backedges. 435 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:19,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:19,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 150 states and 675 transitions. [2018-09-30 21:04:19,320 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 675 transitions. [2018-09-30 21:04:19,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-30 21:04:19,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:20,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 870 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:24,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:24,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 153 states and 710 transitions. [2018-09-30 21:04:24,613 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 710 transitions. [2018-09-30 21:04:24,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-09-30 21:04:24,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:25,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1335 backedges. 465 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:29,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:29,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 155 states and 713 transitions. [2018-09-30 21:04:29,207 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 713 transitions. [2018-09-30 21:04:29,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-30 21:04:29,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:30,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 930 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:34,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:34,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 158 states and 749 transitions. [2018-09-30 21:04:34,813 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 749 transitions. [2018-09-30 21:04:34,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-30 21:04:34,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:35,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 496 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:39,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:39,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 160 states and 752 transitions. [2018-09-30 21:04:39,392 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 752 transitions. [2018-09-30 21:04:39,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-30 21:04:39,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:40,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 992 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:45,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:45,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 163 states and 789 transitions. [2018-09-30 21:04:45,172 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 789 transitions. [2018-09-30 21:04:45,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-30 21:04:45,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 528 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:50,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:50,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 165 states and 792 transitions. [2018-09-30 21:04:50,004 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 792 transitions. [2018-09-30 21:04:50,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-30 21:04:50,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:50,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 1056 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:55,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:55,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 168 states and 830 transitions. [2018-09-30 21:04:55,776 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 830 transitions. [2018-09-30 21:04:55,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-30 21:04:55,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:56,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1617 backedges. 561 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:00,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:00,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 170 states and 833 transitions. [2018-09-30 21:05:00,684 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 833 transitions. [2018-09-30 21:05:00,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-30 21:05:00,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:01,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 1122 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:06,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:06,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 173 states and 872 transitions. [2018-09-30 21:05:06,670 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 872 transitions. [2018-09-30 21:05:06,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-09-30 21:05:06,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:07,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 595 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:11,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:11,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 175 states and 875 transitions. [2018-09-30 21:05:11,776 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 875 transitions. [2018-09-30 21:05:11,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-09-30 21:05:11,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:12,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1785 backedges. 1190 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:17,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:17,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 178 states and 915 transitions. [2018-09-30 21:05:17,910 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 915 transitions. [2018-09-30 21:05:17,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-30 21:05:17,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:18,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 630 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:23,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:23,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 180 states and 918 transitions. [2018-09-30 21:05:23,144 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 918 transitions. [2018-09-30 21:05:23,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-30 21:05:23,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:24,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1890 backedges. 1260 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:29,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:29,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 183 states and 959 transitions. [2018-09-30 21:05:29,532 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 959 transitions. [2018-09-30 21:05:29,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-09-30 21:05:29,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:30,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1926 backedges. 666 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:35,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:35,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 185 states and 962 transitions. [2018-09-30 21:05:35,033 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 962 transitions. [2018-09-30 21:05:35,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-09-30 21:05:35,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:36,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1998 backedges. 1332 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-30 21:05:37,388 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 21:05:37,390 INFO L168 Benchmark]: Toolchain (without parser) took 242644.22 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-09-30 21:05:37,392 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:05:37,393 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.55 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:05:37,393 INFO L168 Benchmark]: Boogie Preprocessor took 24.30 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:05:37,394 INFO L168 Benchmark]: RCFGBuilder took 398.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 21:05:37,397 INFO L168 Benchmark]: CodeCheck took 242172.35 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-09-30 21:05:37,400 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1079 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.55 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.30 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 398.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 242172.35 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/down.i_4.bplTransformedIcfg_BEv2_5.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_21-05-37-411.csv Completed graceful shutdown