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/real-life/ElevatorWithAssignments.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-00a8621 [2018-09-30 11:05:50,513 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 11:05:50,515 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 11:05:50,533 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 11:05:50,533 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 11:05:50,535 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 11:05:50,536 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 11:05:50,538 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 11:05:50,540 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 11:05:50,541 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 11:05:50,542 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 11:05:50,542 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 11:05:50,543 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 11:05:50,544 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 11:05:50,546 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 11:05:50,546 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 11:05:50,549 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 11:05:50,552 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 11:05:50,558 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 11:05:50,560 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 11:05:50,561 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 11:05:50,564 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 11:05:50,569 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 11:05:50,569 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 11:05:50,570 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 11:05:50,571 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 11:05:50,572 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 11:05:50,572 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 11:05:50,573 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 11:05:50,576 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 11:05:50,576 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 11:05:50,577 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 11:05:50,577 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 11:05:50,578 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 11:05:50,578 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 11:05:50,579 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 11:05:50,580 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 11:05:50,594 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 11:05:50,595 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 11:05:50,596 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 11:05:50,596 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 11:05:50,596 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 11:05:50,597 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 11:05:50,597 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 11:05:50,597 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 11:05:50,597 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 11:05:50,598 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 11:05:50,598 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 11:05:50,598 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 11:05:50,598 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 11:05:50,598 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 11:05:50,598 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 11:05:50,599 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 11:05:50,599 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 11:05:50,599 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 11:05:50,599 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 11:05:50,600 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 11:05:50,600 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 11:05:50,600 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:05:50,600 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 11:05:50,600 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 11:05:50,601 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 11:05:50,601 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 11:05:50,601 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 11:05:50,601 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 11:05:50,601 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 11:05:50,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 11:05:50,666 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 11:05:50,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 11:05:50,673 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 11:05:50,673 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 11:05:50,677 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl [2018-09-30 11:05:50,677 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl' [2018-09-30 11:05:50,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 11:05:50,767 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 11:05:50,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 11:05:50,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 11:05:50,769 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 11:05:50,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:05:50" (1/1) ... [2018-09-30 11:05:50,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:05:50" (1/1) ... [2018-09-30 11:05:50,812 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 11:05:50,812 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 11:05:50,813 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 11:05:50,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 11:05:50,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 11:05:50,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 11:05:50,816 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 11:05:50,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:05:50" (1/1) ... [2018-09-30 11:05:50,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:05:50" (1/1) ... [2018-09-30 11:05:50,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:05:50" (1/1) ... [2018-09-30 11:05:50,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:05:50" (1/1) ... [2018-09-30 11:05:50,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:05:50" (1/1) ... [2018-09-30 11:05:50,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:05:50" (1/1) ... [2018-09-30 11:05:50,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:05:50" (1/1) ... [2018-09-30 11:05:50,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 11:05:50,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 11:05:50,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 11:05:50,863 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 11:05:50,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:05:50" (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 11:05:50,952 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-09-30 11:05:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-09-30 11:05:50,952 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-09-30 11:05:52,584 INFO L345 CfgBuilder]: Using library mode [2018-09-30 11:05:52,585 INFO L202 PluginConnector]: Adding new model ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:05:52 BoogieIcfgContainer [2018-09-30 11:05:52,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 11:05:52,586 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 11:05:52,586 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 11:05:52,600 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 11:05:52,600 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:05:52" (1/1) ... [2018-09-30 11:05:52,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 11:05:52,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:52,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-30 11:05:52,660 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-30 11:05:52,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-30 11:05:52,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:52,872 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 11:05:53,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:53,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-09-30 11:05:53,097 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-09-30 11:05:53,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 11:05:53,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:53,483 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-09-30 11:05:53,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:05:54,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:54,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-09-30 11:05:54,105 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-09-30 11:05:54,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 11:05:54,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:54,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:05:54,814 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-30 11:05:55,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:55,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 13 states and 28 transitions. [2018-09-30 11:05:55,390 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 28 transitions. [2018-09-30 11:05:55,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:05:55,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:55,889 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:05:57,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:05:57,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 18 states and 45 transitions. [2018-09-30 11:05:57,070 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 45 transitions. [2018-09-30 11:05:57,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:05:57,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:05:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:05:57,749 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 26 [2018-09-30 11:05:58,020 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 39 [2018-09-30 11:05:58,394 WARN L178 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2018-09-30 11:05:58,796 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 23 [2018-09-30 11:05:58,838 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:00,350 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2018-09-30 11:06:00,599 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2018-09-30 11:06:00,940 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-09-30 11:06:01,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:01,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 26 states and 81 transitions. [2018-09-30 11:06:01,661 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 81 transitions. [2018-09-30 11:06:01,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:06:01,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:02,285 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:03,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:03,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 29 states and 93 transitions. [2018-09-30 11:06:03,201 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 93 transitions. [2018-09-30 11:06:03,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:06:03,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:03,585 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:03,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:03,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 30 states and 96 transitions. [2018-09-30 11:06:03,943 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 96 transitions. [2018-09-30 11:06:03,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:06:03,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:05,647 WARN L178 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 43 [2018-09-30 11:06:06,117 WARN L178 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 54 [2018-09-30 11:06:06,526 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 43 [2018-09-30 11:06:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:07,220 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-09-30 11:06:07,374 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2018-09-30 11:06:08,533 WARN L178 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-09-30 11:06:08,687 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 42 [2018-09-30 11:06:09,039 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2018-09-30 11:06:09,745 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-09-30 11:06:09,907 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2018-09-30 11:06:10,476 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2018-09-30 11:06:10,657 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2018-09-30 11:06:11,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:11,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 38 states and 140 transitions. [2018-09-30 11:06:11,114 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 140 transitions. [2018-09-30 11:06:11,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:06:11,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:12,577 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:12,910 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2018-09-30 11:06:13,309 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 35 [2018-09-30 11:06:13,544 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2018-09-30 11:06:14,084 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2018-09-30 11:06:14,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:14,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 41 states and 158 transitions. [2018-09-30 11:06:14,540 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 158 transitions. [2018-09-30 11:06:14,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:06:14,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:15,626 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:16,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:16,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 42 states and 168 transitions. [2018-09-30 11:06:16,123 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 168 transitions. [2018-09-30 11:06:16,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:06:16,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:17,456 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:17,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:17,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 43 states and 174 transitions. [2018-09-30 11:06:17,936 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 174 transitions. [2018-09-30 11:06:17,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:06:17,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:19,792 WARN L178 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 38 [2018-09-30 11:06:21,162 WARN L178 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 44 [2018-09-30 11:06:22,564 WARN L178 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 95 [2018-09-30 11:06:23,842 WARN L178 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 73 [2018-09-30 11:06:25,119 WARN L178 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 73 [2018-09-30 11:06:25,571 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:26,431 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 43 [2018-09-30 11:06:26,775 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-09-30 11:06:27,044 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 60 [2018-09-30 11:06:27,675 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 54 [2018-09-30 11:06:28,001 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 76 [2018-09-30 11:06:28,420 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2018-09-30 11:06:28,785 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2018-09-30 11:06:29,050 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-09-30 11:06:29,393 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2018-09-30 11:06:29,854 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-09-30 11:06:30,075 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 38 [2018-09-30 11:06:30,347 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-09-30 11:06:30,884 WARN L178 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 39 [2018-09-30 11:06:31,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:31,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 49 states and 209 transitions. [2018-09-30 11:06:31,644 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 209 transitions. [2018-09-30 11:06:31,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:06:31,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:32,522 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:33,537 WARN L178 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2018-09-30 11:06:33,961 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 67 [2018-09-30 11:06:34,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:34,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 52 states and 222 transitions. [2018-09-30 11:06:34,739 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 222 transitions. [2018-09-30 11:06:34,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:06:34,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:35,743 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:36,022 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 53 [2018-09-30 11:06:36,250 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 54 [2018-09-30 11:06:36,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:36,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 53 states and 225 transitions. [2018-09-30 11:06:36,908 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 225 transitions. [2018-09-30 11:06:36,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:06:36,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:37,911 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:38,075 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2018-09-30 11:06:38,309 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 46 [2018-09-30 11:06:38,848 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 38 [2018-09-30 11:06:39,138 WARN L178 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 65 [2018-09-30 11:06:39,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:39,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 55 states and 234 transitions. [2018-09-30 11:06:39,588 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 234 transitions. [2018-09-30 11:06:39,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:06:39,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:40,579 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:40,851 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 42 [2018-09-30 11:06:41,269 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2018-09-30 11:06:41,428 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2018-09-30 11:06:41,972 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 56 [2018-09-30 11:06:42,167 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 50 [2018-09-30 11:06:42,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:06:42,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 58 states and 247 transitions. [2018-09-30 11:06:42,636 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 247 transitions. [2018-09-30 11:06:42,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:06:42,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:06:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:06:44,099 WARN L178 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 37 [2018-09-30 11:06:45,416 WARN L178 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 45 [2018-09-30 11:06:46,601 WARN L178 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 60 [2018-09-30 11:06:47,628 WARN L178 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 59 [2018-09-30 11:06:49,071 WARN L178 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 69 [2018-09-30 11:06:50,493 WARN L178 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 72 [2018-09-30 11:06:51,437 WARN L178 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 53 [2018-09-30 11:06:51,953 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:06:52,602 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2018-09-30 11:06:54,016 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2018-09-30 11:06:54,627 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2018-09-30 11:06:55,654 WARN L178 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 81 [2018-09-30 11:06:55,993 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-09-30 11:06:56,474 WARN L178 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2018-09-30 11:06:56,798 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-09-30 11:06:57,375 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 47 [2018-09-30 11:06:57,928 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2018-09-30 11:06:58,410 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-09-30 11:06:58,739 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2018-09-30 11:07:00,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:00,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 66 states and 294 transitions. [2018-09-30 11:07:00,047 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 294 transitions. [2018-09-30 11:07:00,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:07:00,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:01,075 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:01,485 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 50 [2018-09-30 11:07:01,935 WARN L178 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2018-09-30 11:07:02,782 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2018-09-30 11:07:03,064 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2018-09-30 11:07:03,637 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-09-30 11:07:04,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:04,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 69 states and 309 transitions. [2018-09-30 11:07:04,287 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 309 transitions. [2018-09-30 11:07:04,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:07:04,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:05,091 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:05,396 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2018-09-30 11:07:05,672 WARN L178 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2018-09-30 11:07:05,980 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2018-09-30 11:07:06,306 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2018-09-30 11:07:06,670 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 41 [2018-09-30 11:07:06,892 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 53 [2018-09-30 11:07:07,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:07,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 71 states and 318 transitions. [2018-09-30 11:07:07,386 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 318 transitions. [2018-09-30 11:07:07,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:07:07,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:08,310 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:08,547 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2018-09-30 11:07:08,780 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 50 [2018-09-30 11:07:09,457 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 39 [2018-09-30 11:07:10,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:10,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 73 states and 326 transitions. [2018-09-30 11:07:10,003 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 326 transitions. [2018-09-30 11:07:10,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:07:10,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:11,062 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:11,367 WARN L178 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2018-09-30 11:07:11,737 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2018-09-30 11:07:12,185 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2018-09-30 11:07:12,806 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 50 [2018-09-30 11:07:13,019 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 50 [2018-09-30 11:07:13,750 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 39 [2018-09-30 11:07:14,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:14,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 77 states and 355 transitions. [2018-09-30 11:07:14,312 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 355 transitions. [2018-09-30 11:07:14,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:07:14,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:15,353 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:07:15,641 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2018-09-30 11:07:15,908 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2018-09-30 11:07:16,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:07:16,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 78 states and 356 transitions. [2018-09-30 11:07:16,403 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 356 transitions. [2018-09-30 11:07:16,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:07:16,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:07:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:07:20,947 WARN L178 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 436 DAG size of output: 42 [2018-09-30 11:07:23,441 WARN L178 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 436 DAG size of output: 39 [2018-09-30 11:07:27,318 WARN L178 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 498 DAG size of output: 54 [2018-09-30 11:07:36,282 WARN L178 SmtUtils]: Spent 5.94 s on a formula simplification. DAG size of input: 781 DAG size of output: 83 [2018-09-30 11:07:44,899 WARN L178 SmtUtils]: Spent 6.77 s on a formula simplification. DAG size of input: 675 DAG size of output: 135 [2018-09-30 11:07:53,747 WARN L178 SmtUtils]: Spent 7.01 s on a formula simplification. DAG size of input: 674 DAG size of output: 123 [2018-09-30 11:08:01,135 WARN L178 SmtUtils]: Spent 5.53 s on a formula simplification. DAG size of input: 632 DAG size of output: 126 [2018-09-30 11:08:09,047 WARN L178 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 624 DAG size of output: 138 [2018-09-30 11:08:13,472 WARN L178 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 361 DAG size of output: 96 [2018-09-30 11:08:18,644 WARN L178 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 363 DAG size of output: 89 [2018-09-30 11:08:19,385 WARN L178 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 48 [2018-09-30 11:08:20,032 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 32 [2018-09-30 11:08:20,068 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:08:20,883 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 40 [2018-09-30 11:08:21,418 WARN L178 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2018-09-30 11:08:21,605 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 46 [2018-09-30 11:08:22,364 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 55 [2018-09-30 11:08:23,148 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 48 [2018-09-30 11:08:24,228 WARN L178 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2018-09-30 11:08:24,576 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 54 [2018-09-30 11:08:25,788 WARN L178 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 64 [2018-09-30 11:08:27,160 WARN L178 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2018-09-30 11:08:27,712 WARN L178 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2018-09-30 11:08:28,565 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-09-30 11:08:29,224 WARN L178 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 73 [2018-09-30 11:08:30,175 WARN L178 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2018-09-30 11:08:30,691 WARN L178 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 83 [2018-09-30 11:08:31,057 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-09-30 11:08:31,516 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-09-30 11:08:32,334 WARN L178 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 86 [2018-09-30 11:08:33,476 WARN L178 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2018-09-30 11:08:34,354 WARN L178 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 90 [2018-09-30 11:08:34,801 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-09-30 11:08:35,303 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-09-30 11:08:36,232 WARN L178 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 90 [2018-09-30 11:08:36,800 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-09-30 11:08:37,411 WARN L178 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2018-09-30 11:08:38,525 WARN L178 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2018-09-30 11:08:39,128 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-09-30 11:08:39,446 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 47 [2018-09-30 11:08:40,022 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-09-30 11:08:40,292 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 32 [2018-09-30 11:08:42,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:08:42,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 87 states and 417 transitions. [2018-09-30 11:08:42,432 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 417 transitions. [2018-09-30 11:08:42,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:08:42,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:08:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:08:46,321 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:08:46,702 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 36 [2018-09-30 11:08:47,233 WARN L178 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 72 [2018-09-30 11:08:47,825 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-09-30 11:08:48,507 WARN L178 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 62 [2018-09-30 11:08:49,252 WARN L178 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 73 [2018-09-30 11:08:50,041 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-09-30 11:08:50,479 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 54 [2018-09-30 11:08:50,878 WARN L178 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 68 [2018-09-30 11:08:52,205 WARN L178 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 78 [2018-09-30 11:08:52,836 WARN L178 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 76 [2018-09-30 11:08:53,246 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-09-30 11:08:53,682 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-09-30 11:08:53,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:08:53,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 91 states and 447 transitions. [2018-09-30 11:08:53,809 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 447 transitions. [2018-09-30 11:08:53,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:08:53,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:08:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:08:56,572 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:08:57,359 WARN L178 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2018-09-30 11:08:58,216 WARN L178 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2018-09-30 11:08:58,831 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2018-09-30 11:08:59,482 WARN L178 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-09-30 11:09:00,260 WARN L178 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 48 [2018-09-30 11:09:00,688 WARN L178 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 73 [2018-09-30 11:09:01,408 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-09-30 11:09:01,896 WARN L178 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 61 [2018-09-30 11:09:02,370 WARN L178 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 69 [2018-09-30 11:09:03,788 WARN L178 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 74 [2018-09-30 11:09:04,586 WARN L178 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 79 [2018-09-30 11:09:05,104 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2018-09-30 11:09:05,687 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2018-09-30 11:09:06,058 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 17 [2018-09-30 11:09:06,235 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 18 [2018-09-30 11:09:07,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:07,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 95 states and 479 transitions. [2018-09-30 11:09:07,538 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 479 transitions. [2018-09-30 11:09:07,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:09:07,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:10,315 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:10,609 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 32 [2018-09-30 11:09:10,834 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 38 [2018-09-30 11:09:11,684 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 42 [2018-09-30 11:09:12,136 WARN L178 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2018-09-30 11:09:12,850 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-09-30 11:09:13,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:13,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 97 states and 483 transitions. [2018-09-30 11:09:13,003 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 483 transitions. [2018-09-30 11:09:13,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:09:13,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:16,031 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:16,383 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 45 [2018-09-30 11:09:16,716 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 54 [2018-09-30 11:09:17,796 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 24 [2018-09-30 11:09:18,943 WARN L178 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 90 [2018-09-30 11:09:19,650 WARN L178 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 86 [2018-09-30 11:09:20,206 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-09-30 11:09:20,718 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-09-30 11:09:20,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:20,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 100 states and 501 transitions. [2018-09-30 11:09:20,799 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 501 transitions. [2018-09-30 11:09:20,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:09:20,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:23,724 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:25,207 WARN L178 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 49 [2018-09-30 11:09:25,648 WARN L178 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 73 [2018-09-30 11:09:26,435 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-09-30 11:09:26,885 WARN L178 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 26 [2018-09-30 11:09:27,217 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 54 [2018-09-30 11:09:28,270 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2018-09-30 11:09:28,683 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 64 [2018-09-30 11:09:29,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:29,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 105 states and 531 transitions. [2018-09-30 11:09:29,567 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 531 transitions. [2018-09-30 11:09:29,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:09:29,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:32,006 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:32,362 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 42 [2018-09-30 11:09:32,563 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 30 [2018-09-30 11:09:33,722 WARN L178 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 77 [2018-09-30 11:09:34,352 WARN L178 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2018-09-30 11:09:34,855 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-09-30 11:09:35,431 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-09-30 11:09:36,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:36,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 106 states and 539 transitions. [2018-09-30 11:09:36,355 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 539 transitions. [2018-09-30 11:09:36,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:09:36,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:38,661 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:38,929 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 40 [2018-09-30 11:09:39,223 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 51 [2018-09-30 11:09:39,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:39,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 107 states and 542 transitions. [2018-09-30 11:09:39,904 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 542 transitions. [2018-09-30 11:09:39,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 11:09:39,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:45,892 WARN L178 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 316 DAG size of output: 35 [2018-09-30 11:09:51,298 WARN L178 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 479 DAG size of output: 69 Received shutdown request... [2018-09-30 11:09:54,902 WARN L186 SmtUtils]: Removed 2 from assertion stack [2018-09-30 11:09:54,902 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-09-30 11:09:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:55,047 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:09:55,066 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-30 11:09:55,066 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 11:09:55,069 INFO L168 Benchmark]: Toolchain (without parser) took 244306.99 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -282.5 MB). Peak memory consumption was 878.3 MB. Max. memory is 7.1 GB. [2018-09-30 11:09:55,070 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.31 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 11:09:55,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.44 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 11:09:55,070 INFO L168 Benchmark]: Boogie Preprocessor took 46.81 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 11:09:55,071 INFO L168 Benchmark]: RCFGBuilder took 1722.62 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-09-30 11:09:55,072 INFO L168 Benchmark]: CodeCheck took 242482.00 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -345.9 MB). Peak memory consumption was 814.9 MB. Max. memory is 7.1 GB. [2018-09-30 11:09:55,074 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 TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 452 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.31 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.44 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.81 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1722.62 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * CodeCheck took 242482.00 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -345.9 MB). Peak memory consumption was 814.9 MB. 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/ElevatorWithAssignments.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_11-09-55-083.csv Completed graceful shutdown