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-c372c2b [2018-10-02 12:26:39,911 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 12:26:39,914 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 12:26:39,929 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 12:26:39,930 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 12:26:39,931 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 12:26:39,935 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 12:26:39,937 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 12:26:39,939 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 12:26:39,940 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 12:26:39,941 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 12:26:39,941 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 12:26:39,942 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 12:26:39,943 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 12:26:39,944 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 12:26:39,945 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 12:26:39,946 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 12:26:39,948 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 12:26:39,950 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 12:26:39,952 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 12:26:39,953 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 12:26:39,954 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 12:26:39,957 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 12:26:39,958 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 12:26:39,958 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 12:26:39,959 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 12:26:39,960 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 12:26:39,961 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 12:26:39,962 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 12:26:39,963 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 12:26:39,964 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 12:26:39,964 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 12:26:39,965 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 12:26:39,965 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 12:26:39,966 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 12:26:39,967 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 12:26:39,967 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 [2018-10-02 12:26:39,984 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 12:26:39,985 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 12:26:39,986 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 12:26:39,986 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 12:26:39,987 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 12:26:39,987 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 12:26:39,987 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 12:26:39,987 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 12:26:39,988 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 12:26:39,988 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 12:26:39,988 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 12:26:39,988 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 12:26:39,988 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 12:26:39,989 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 12:26:39,989 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 12:26:39,989 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 12:26:39,989 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 12:26:39,989 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 12:26:39,990 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 12:26:39,990 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 12:26:39,990 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 12:26:39,990 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 12:26:39,991 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 12:26:39,991 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 12:26:39,991 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 12:26:39,991 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 12:26:39,991 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 12:26:39,992 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 12:26:39,992 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 12:26:40,052 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 12:26:40,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 12:26:40,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 12:26:40,071 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 12:26:40,072 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 12:26:40,073 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl [2018-10-02 12:26:40,073 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl' [2018-10-02 12:26:40,137 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 12:26:40,140 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 12:26:40,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 12:26:40,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 12:26:40,141 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 12:26:40,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,182 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-02 12:26:40,182 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-02 12:26:40,183 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-02 12:26:40,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 12:26:40,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 12:26:40,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 12:26:40,187 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 12:26:40,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 12:26:40,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 12:26:40,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 12:26:40,220 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 12:26:40,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 12:26:40,311 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-10-02 12:26:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-10-02 12:26:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-10-02 12:26:41,993 INFO L337 CfgBuilder]: Using library mode [2018-10-02 12:26:41,993 INFO L202 PluginConnector]: Adding new model ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:26:41 BoogieIcfgContainer [2018-10-02 12:26:41,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 12:26:41,995 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 12:26:41,995 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 12:26:42,006 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 12:26:42,007 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:26:41" (1/1) ... [2018-10-02 12:26:42,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 12:26:42,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:42,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-02 12:26:42,053 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-02 12:26:42,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-02 12:26:42,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:42,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:42,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:42,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-10-02 12:26:42,445 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-10-02 12:26:42,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-02 12:26:42,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:43,115 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-02 12:26:43,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:43,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-10-02 12:26:43,424 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-10-02 12:26:43,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-02 12:26:43,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:43,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:44,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:44,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 13 states and 28 transitions. [2018-10-02 12:26:44,632 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 28 transitions. [2018-10-02 12:26:44,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-02 12:26:44,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:45,117 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:46,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:46,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 18 states and 45 transitions. [2018-10-02 12:26:46,274 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 45 transitions. [2018-10-02 12:26:46,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:26:46,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:47,039 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 26 [2018-10-02 12:26:47,311 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 39 [2018-10-02 12:26:48,060 WARN L178 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2018-10-02 12:26:48,472 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 23 [2018-10-02 12:26:48,514 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:49,654 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2018-10-02 12:26:50,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:50,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 26 states and 78 transitions. [2018-10-02 12:26:50,952 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 78 transitions. [2018-10-02 12:26:50,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:26:50,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:51,320 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:51,757 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2018-10-02 12:26:51,911 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2018-10-02 12:26:52,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:52,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 29 states and 93 transitions. [2018-10-02 12:26:52,565 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 93 transitions. [2018-10-02 12:26:52,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:26:52,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:52,928 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:53,302 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 25 [2018-10-02 12:26:53,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:53,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 30 states and 96 transitions. [2018-10-02 12:26:53,539 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 96 transitions. [2018-10-02 12:26:53,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:26:53,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:54,658 WARN L178 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 43 [2018-10-02 12:26:55,535 WARN L178 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 54 [2018-10-02 12:26:55,952 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 43 [2018-10-02 12:26:56,123 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:56,658 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-10-02 12:26:56,883 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2018-10-02 12:26:57,942 WARN L178 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2018-10-02 12:26:58,283 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 35 [2018-10-02 12:26:58,486 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2018-10-02 12:26:59,038 WARN L178 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-10-02 12:27:00,235 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-10-02 12:27:01,072 WARN L178 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-10-02 12:27:01,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:01,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 38 states and 133 transitions. [2018-10-02 12:27:01,450 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 133 transitions. [2018-10-02 12:27:01,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:27:01,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:03,259 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:03,415 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2018-10-02 12:27:03,721 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2018-10-02 12:27:04,291 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2018-10-02 12:27:04,495 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2018-10-02 12:27:05,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:05,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 40 states and 153 transitions. [2018-10-02 12:27:05,142 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 153 transitions. [2018-10-02 12:27:05,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:27:05,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:06,295 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:06,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:06,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 41 states and 160 transitions. [2018-10-02 12:27:06,809 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 160 transitions. [2018-10-02 12:27:06,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:27:06,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:08,341 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:08,611 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2018-10-02 12:27:08,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:08,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 42 states and 166 transitions. [2018-10-02 12:27:08,922 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 166 transitions. [2018-10-02 12:27:08,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:27:08,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:09,830 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:10,097 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 32 [2018-10-02 12:27:10,316 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 42 [2018-10-02 12:27:10,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:10,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 44 states and 175 transitions. [2018-10-02 12:27:10,604 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 175 transitions. [2018-10-02 12:27:10,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:27:10,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:11,972 WARN L178 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 38 [2018-10-02 12:27:13,328 WARN L178 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 44 [2018-10-02 12:27:14,690 WARN L178 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 95 [2018-10-02 12:27:16,082 WARN L178 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 174 DAG size of output: 73 [2018-10-02 12:27:17,352 WARN L178 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 73 [2018-10-02 12:27:17,838 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:18,628 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 43 [2018-10-02 12:27:18,963 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-02 12:27:19,250 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 60 [2018-10-02 12:27:19,840 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 41 [2018-10-02 12:27:20,072 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 61 [2018-10-02 12:27:20,654 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 40 [2018-10-02 12:27:20,921 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-10-02 12:27:21,328 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2018-10-02 12:27:21,954 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2018-10-02 12:27:22,218 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-10-02 12:27:22,483 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 67 [2018-10-02 12:27:23,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:23,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 51 states and 210 transitions. [2018-10-02 12:27:23,595 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 210 transitions. [2018-10-02 12:27:23,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:27:23,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:24,726 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:24,990 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 54 [2018-10-02 12:27:25,326 WARN L178 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 76 [2018-10-02 12:27:25,937 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2018-10-02 12:27:26,357 WARN L178 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2018-10-02 12:27:26,690 WARN L178 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2018-10-02 12:27:27,162 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-10-02 12:27:27,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:27,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 53 states and 227 transitions. [2018-10-02 12:27:27,244 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 227 transitions. [2018-10-02 12:27:27,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:27:27,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:28,117 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:28,454 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2018-10-02 12:27:28,695 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 46 [2018-10-02 12:27:29,260 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 38 [2018-10-02 12:27:29,561 WARN L178 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 65 [2018-10-02 12:27:29,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:29,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 55 states and 236 transitions. [2018-10-02 12:27:29,991 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 236 transitions. [2018-10-02 12:27:29,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:27:29,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:31,053 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:31,417 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 42 [2018-10-02 12:27:31,743 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2018-10-02 12:27:31,904 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2018-10-02 12:27:32,430 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 56 [2018-10-02 12:27:32,633 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 50 [2018-10-02 12:27:33,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:33,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 58 states and 249 transitions. [2018-10-02 12:27:33,080 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 249 transitions. [2018-10-02 12:27:33,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 12:27:33,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:34,656 WARN L178 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 37 [2018-10-02 12:27:36,116 WARN L178 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 45 [2018-10-02 12:27:37,135 WARN L178 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 60 [2018-10-02 12:27:38,149 WARN L178 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 59 [2018-10-02 12:27:39,569 WARN L178 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 69 [2018-10-02 12:27:41,124 WARN L178 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 193 DAG size of output: 72 [2018-10-02 12:27:41,966 WARN L178 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 53 [2018-10-02 12:27:42,402 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:43,282 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2018-10-02 12:27:43,807 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 50 [2018-10-02 12:27:44,645 WARN L178 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2018-10-02 12:27:45,220 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2018-10-02 12:27:45,580 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2018-10-02 12:27:45,863 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-10-02 12:27:46,461 WARN L178 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 81 [2018-10-02 12:27:46,775 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-10-02 12:27:47,212 WARN L178 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2018-10-02 12:27:47,521 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-02 12:27:48,069 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 54 [2018-10-02 12:27:48,617 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2018-10-02 12:27:49,350 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2018-10-02 12:27:49,536 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2018-10-02 12:27:51,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:51,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 65 states and 290 transitions. [2018-10-02 12:27:51,096 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 290 transitions. [2018-10-02 12:27:51,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 12:27:51,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:52,036 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:52,325 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 39 [2018-10-02 12:27:53,127 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2018-10-02 12:27:53,531 WARN L178 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2018-10-02 12:27:54,478 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2018-10-02 12:27:54,758 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2018-10-02 12:27:55,054 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2018-10-02 12:27:55,354 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2018-10-02 12:27:55,610 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 41 [2018-10-02 12:27:55,807 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 53 [2018-10-02 12:27:56,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:56,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 69 states and 307 transitions. [2018-10-02 12:27:56,323 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 307 transitions. [2018-10-02 12:27:56,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 12:27:56,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:57,388 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:57,738 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 67 [2018-10-02 12:27:57,971 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 50 [2018-10-02 12:27:58,722 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 39 [2018-10-02 12:27:59,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:59,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 72 states and 325 transitions. [2018-10-02 12:27:59,226 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 325 transitions. [2018-10-02 12:27:59,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 12:27:59,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:00,228 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:00,509 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2018-10-02 12:28:00,850 WARN L178 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2018-10-02 12:28:01,478 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-10-02 12:28:02,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:02,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 74 states and 338 transitions. [2018-10-02 12:28:02,075 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 338 transitions. [2018-10-02 12:28:02,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 12:28:02,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:02,937 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:03,176 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 47 [2018-10-02 12:28:03,493 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2018-10-02 12:28:04,022 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-10-02 12:28:04,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:04,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 75 states and 340 transitions. [2018-10-02 12:28:04,097 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 340 transitions. [2018-10-02 12:28:04,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 12:28:04,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:05,236 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:06,304 WARN L178 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2018-10-02 12:28:06,643 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2018-10-02 12:28:07,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:07,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 78 states and 358 transitions. [2018-10-02 12:28:07,333 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 358 transitions. [2018-10-02 12:28:07,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 12:28:07,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:08,176 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:08,434 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 50 [2018-10-02 12:28:08,913 WARN L178 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2018-10-02 12:28:09,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:09,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 79 states and 361 transitions. [2018-10-02 12:28:09,576 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 361 transitions. [2018-10-02 12:28:09,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:28:09,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:13,901 WARN L178 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 436 DAG size of output: 42 [2018-10-02 12:28:16,444 WARN L178 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 436 DAG size of output: 39 [2018-10-02 12:28:20,146 WARN L178 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 498 DAG size of output: 54 [2018-10-02 12:28:28,980 WARN L178 SmtUtils]: Spent 5.82 s on a formula simplification. DAG size of input: 781 DAG size of output: 83 [2018-10-02 12:28:37,671 WARN L178 SmtUtils]: Spent 6.84 s on a formula simplification. DAG size of input: 675 DAG size of output: 135 [2018-10-02 12:28:46,339 WARN L178 SmtUtils]: Spent 6.83 s on a formula simplification. DAG size of input: 674 DAG size of output: 123 [2018-10-02 12:28:53,743 WARN L178 SmtUtils]: Spent 5.65 s on a formula simplification. DAG size of input: 632 DAG size of output: 126 [2018-10-02 12:29:01,523 WARN L178 SmtUtils]: Spent 5.77 s on a formula simplification. DAG size of input: 624 DAG size of output: 138 [2018-10-02 12:29:05,890 WARN L178 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 361 DAG size of output: 96 [2018-10-02 12:29:10,975 WARN L178 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 363 DAG size of output: 89 [2018-10-02 12:29:11,710 WARN L178 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 48 [2018-10-02 12:29:12,264 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 32 [2018-10-02 12:29:12,380 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:29:13,302 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 40 [2018-10-02 12:29:13,857 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2018-10-02 12:29:14,046 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 46 [2018-10-02 12:29:14,771 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 55 [2018-10-02 12:29:15,548 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 48 [2018-10-02 12:29:16,602 WARN L178 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2018-10-02 12:29:16,947 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 54 [2018-10-02 12:29:17,887 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 32 [2018-10-02 12:29:19,308 WARN L178 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2018-10-02 12:29:19,504 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 38 [2018-10-02 12:29:20,884 WARN L178 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2018-10-02 12:29:21,247 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 42 [2018-10-02 12:29:22,331 WARN L178 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2018-10-02 12:29:22,798 WARN L178 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2018-10-02 12:29:23,496 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-02 12:29:24,418 WARN L178 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 90 [2018-10-02 12:29:24,964 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-10-02 12:29:25,578 WARN L178 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2018-10-02 12:29:26,728 WARN L178 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2018-10-02 12:29:27,286 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-10-02 12:29:27,917 WARN L178 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 78 [2018-10-02 12:29:28,550 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-10-02 12:29:29,087 WARN L178 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 76 [2018-10-02 12:29:29,486 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-02 12:29:29,896 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-10-02 12:29:31,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:29:31,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 87 states and 406 transitions. [2018-10-02 12:29:31,609 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 406 transitions. [2018-10-02 12:29:31,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:29:31,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:29:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:29:34,423 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:29:35,197 WARN L178 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2018-10-02 12:29:36,061 WARN L178 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2018-10-02 12:29:36,636 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2018-10-02 12:29:37,171 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-02 12:29:37,812 WARN L178 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 64 [2018-10-02 12:29:38,362 WARN L178 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2018-10-02 12:29:38,785 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2018-10-02 12:29:39,281 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-10-02 12:29:39,635 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 47 [2018-10-02 12:29:39,898 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 32 [2018-10-02 12:29:40,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:29:40,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 90 states and 431 transitions. [2018-10-02 12:29:40,513 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 431 transitions. [2018-10-02 12:29:40,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:29:40,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:29:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:29:43,486 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:29:43,985 WARN L178 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 24 [2018-10-02 12:29:44,414 WARN L178 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2018-10-02 12:29:44,988 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-10-02 12:29:45,386 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 45 [2018-10-02 12:29:45,716 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 54 [2018-10-02 12:29:46,732 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 56 [2018-10-02 12:29:47,111 WARN L178 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 52 [2018-10-02 12:29:48,360 WARN L178 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2018-10-02 12:29:48,798 WARN L178 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 52 [2018-10-02 12:29:49,260 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-10-02 12:29:49,790 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 44 [2018-10-02 12:29:50,038 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 39 [2018-10-02 12:29:51,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:29:51,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 95 states and 454 transitions. [2018-10-02 12:29:51,430 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 454 transitions. [2018-10-02 12:29:51,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:29:51,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:29:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:29:54,514 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:29:55,479 WARN L178 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 60 [2018-10-02 12:29:55,792 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 63 [2018-10-02 12:29:57,157 WARN L178 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 74 [2018-10-02 12:29:57,913 WARN L178 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 79 [2018-10-02 12:29:58,419 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2018-10-02 12:29:59,072 WARN L178 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2018-10-02 12:29:59,392 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 17 [2018-10-02 12:30:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 96 states and 461 transitions. [2018-10-02 12:30:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 461 transitions. [2018-10-02 12:30:00,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:30:00,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:03,389 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:03,785 WARN L178 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 54 [2018-10-02 12:30:04,262 WARN L178 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 68 [2018-10-02 12:30:05,180 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2018-10-02 12:30:05,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:05,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 97 states and 468 transitions. [2018-10-02 12:30:05,322 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 468 transitions. [2018-10-02 12:30:05,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:30:05,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:07,718 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:09,053 WARN L178 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 49 [2018-10-02 12:30:09,597 WARN L178 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 73 [2018-10-02 12:30:10,369 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-10-02 12:30:10,805 WARN L178 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 42 [2018-10-02 12:30:11,003 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 30 [2018-10-02 12:30:11,796 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 40 [2018-10-02 12:30:12,190 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 51 [2018-10-02 12:30:13,154 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2018-10-02 12:30:13,559 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 64 [2018-10-02 12:30:14,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:14,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 103 states and 503 transitions. [2018-10-02 12:30:14,467 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 503 transitions. [2018-10-02 12:30:14,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:30:14,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:16,693 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:17,079 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 26 [2018-10-02 12:30:17,413 WARN L178 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 54 [2018-10-02 12:30:18,617 WARN L178 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 62 [2018-10-02 12:30:19,280 WARN L178 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 73 [2018-10-02 12:30:19,854 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2018-10-02 12:30:20,341 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-10-02 12:30:20,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:20,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 105 states and 516 transitions. [2018-10-02 12:30:20,457 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 516 transitions. [2018-10-02 12:30:20,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:30:20,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:22,686 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:23,166 WARN L178 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 73 [2018-10-02 12:30:23,697 WARN L178 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 83 [2018-10-02 12:30:24,151 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-10-02 12:30:24,764 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-10-02 12:30:25,608 WARN L178 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 86 [2018-10-02 12:30:26,399 WARN L178 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 90 [2018-10-02 12:30:27,018 WARN L178 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-10-02 12:30:27,611 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-10-02 12:30:27,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:27,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 107 states and 535 transitions. [2018-10-02 12:30:27,780 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 535 transitions. [2018-10-02 12:30:27,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:30:27,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:29,954 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:30,444 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 77 [2018-10-02 12:30:31,066 WARN L178 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2018-10-02 12:30:31,555 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-10-02 12:30:32,078 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-10-02 12:30:32,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:32,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 108 states and 541 transitions. [2018-10-02 12:30:32,221 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 541 transitions. [2018-10-02 12:30:32,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:30:32,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:34,759 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:35,581 WARN L178 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 90 [2018-10-02 12:30:36,243 WARN L178 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 86 [2018-10-02 12:30:36,815 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-10-02 12:30:37,369 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-10-02 12:30:37,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:37,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 109 states and 547 transitions. [2018-10-02 12:30:37,451 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 547 transitions. [2018-10-02 12:30:37,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:30:37,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:39,809 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:40,370 WARN L178 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 36 [2018-10-02 12:30:40,897 WARN L178 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 74 [2018-10-02 12:30:41,665 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-10-02 12:30:42,015 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 50 [2018-10-02 12:30:42,329 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 49 [2018-10-02 12:30:43,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:43,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 111 states and 552 transitions. [2018-10-02 12:30:43,100 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 552 transitions. [2018-10-02 12:30:43,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-02 12:30:43,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-02 12:30:44,567 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-02 12:30:44,575 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-02 12:30:44,582 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-02 12:30:44,591 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-02 12:30:44,599 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-02 12:30:44,603 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-02 12:30:44,606 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-02 12:30:44,607 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-02 12:30:44,608 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-02 12:30:44,608 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-02 12:30:44,612 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-10-02 12:30:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:44,849 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 12:30:44,882 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-02 12:30:44,882 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-02 12:30:44,885 INFO L168 Benchmark]: Toolchain (without parser) took 244747.39 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 12.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-02 12:30:44,886 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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. [2018-10-02 12:30:44,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.59 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. [2018-10-02 12:30:44,886 INFO L168 Benchmark]: Boogie Preprocessor took 32.99 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. [2018-10-02 12:30:44,886 INFO L168 Benchmark]: RCFGBuilder took 1774.25 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. [2018-10-02 12:30:44,887 INFO L168 Benchmark]: CodeCheck took 242889.33 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: -51.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-10-02 12:30:44,889 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 466 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 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 44.59 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 32.99 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 1774.25 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 242889.33 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: -51.2 MB). Peak memory consumption was 1.0 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/ElevatorWithAssignments.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-02_12-30-44-908.csv Completed graceful shutdown