java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/real-life/Elevator-Integer.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2eb0a67 [2018-10-03 10:00:21,093 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 10:00:21,095 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 10:00:21,107 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 10:00:21,107 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 10:00:21,109 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 10:00:21,110 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 10:00:21,112 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 10:00:21,114 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 10:00:21,115 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 10:00:21,116 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-03 10:00:21,116 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-03 10:00:21,117 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-03 10:00:21,118 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-03 10:00:21,119 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-03 10:00:21,120 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-03 10:00:21,121 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-03 10:00:21,123 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-03 10:00:21,125 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-03 10:00:21,127 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-03 10:00:21,129 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-03 10:00:21,130 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-03 10:00:21,133 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-03 10:00:21,133 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-03 10:00:21,133 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-03 10:00:21,134 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-03 10:00:21,136 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-03 10:00:21,136 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-03 10:00:21,137 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-03 10:00:21,139 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-03 10:00:21,139 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-03 10:00:21,140 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-03 10:00:21,140 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-03 10:00:21,140 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-03 10:00:21,142 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-03 10:00:21,143 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-03 10:00:21,143 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-03 10:00:21,180 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 10:00:21,181 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 10:00:21,183 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 10:00:21,183 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 10:00:21,188 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 10:00:21,188 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 10:00:21,188 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 10:00:21,188 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 10:00:21,189 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 10:00:21,189 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 10:00:21,189 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 10:00:21,189 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 10:00:21,189 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 10:00:21,190 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 10:00:21,190 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 10:00:21,190 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 10:00:21,190 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 10:00:21,190 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-03 10:00:21,191 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-03 10:00:21,191 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-03 10:00:21,191 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 10:00:21,191 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 10:00:21,192 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 10:00:21,192 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 10:00:21,193 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 10:00:21,193 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 10:00:21,193 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-03 10:00:21,193 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 10:00:21,193 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 10:00:21,194 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 10:00:21,273 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 10:00:21,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 10:00:21,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 10:00:21,296 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 10:00:21,296 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 10:00:21,297 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl [2018-10-03 10:00:21,298 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl' [2018-10-03 10:00:21,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 10:00:21,386 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 10:00:21,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 10:00:21,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 10:00:21,389 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 10:00:21,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:00:21" (1/1) ... [2018-10-03 10:00:21,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:00:21" (1/1) ... [2018-10-03 10:00:21,433 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-03 10:00:21,434 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-03 10:00:21,434 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-03 10:00:21,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 10:00:21,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 10:00:21,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 10:00:21,438 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 10:00:21,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:00:21" (1/1) ... [2018-10-03 10:00:21,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:00:21" (1/1) ... [2018-10-03 10:00:21,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:00:21" (1/1) ... [2018-10-03 10:00:21,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:00:21" (1/1) ... [2018-10-03 10:00:21,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:00:21" (1/1) ... [2018-10-03 10:00:21,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:00:21" (1/1) ... [2018-10-03 10:00:21,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:00:21" (1/1) ... [2018-10-03 10:00:21,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 10:00:21,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 10:00:21,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 10:00:21,497 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 10:00:21,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:00:21" (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 [2018-10-03 10:00:21,592 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-10-03 10:00:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-10-03 10:00:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-10-03 10:00:23,262 INFO L337 CfgBuilder]: Using library mode [2018-10-03 10:00:23,263 INFO L202 PluginConnector]: Adding new model Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:00:23 BoogieIcfgContainer [2018-10-03 10:00:23,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 10:00:23,264 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-03 10:00:23,264 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-03 10:00:23,276 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-03 10:00:23,276 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:00:23" (1/1) ... [2018-10-03 10:00:23,293 INFO L106 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-03 10:00:23,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:23,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-03 10:00:23,332 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-03 10:00:23,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-03 10:00:23,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:00:23,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:00:24,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:24,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-10-03 10:00:24,029 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-10-03 10:00:24,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-03 10:00:24,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:00:24,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:00:25,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:25,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 9 states and 14 transitions. [2018-10-03 10:00:25,535 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 14 transitions. [2018-10-03 10:00:25,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-03 10:00:25,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:00:25,931 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:00:27,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:27,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 14 states and 31 transitions. [2018-10-03 10:00:27,730 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 31 transitions. [2018-10-03 10:00:27,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 10:00:27,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:00:28,256 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:00:29,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:29,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 17 states and 41 transitions. [2018-10-03 10:00:29,936 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 41 transitions. [2018-10-03 10:00:29,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:00:29,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:00:31,180 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:00:34,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:34,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 26 states and 79 transitions. [2018-10-03 10:00:34,910 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 79 transitions. [2018-10-03 10:00:34,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-03 10:00:34,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:00:38,027 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:00:46,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:46,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 31 states and 107 transitions. [2018-10-03 10:00:46,684 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 107 transitions. [2018-10-03 10:00:46,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-03 10:00:46,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:00:48,045 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:00:56,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:56,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 34 states and 118 transitions. [2018-10-03 10:00:56,445 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 118 transitions. [2018-10-03 10:00:56,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-03 10:00:56,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:01:02,616 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:01:28,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:01:28,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 47 states and 177 transitions. [2018-10-03 10:01:28,412 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 177 transitions. [2018-10-03 10:01:28,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 10:01:28,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:01:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:01:34,962 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:02:00,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:02:00,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 53 states and 198 transitions. [2018-10-03 10:02:00,208 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 198 transitions. [2018-10-03 10:02:00,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-03 10:02:00,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:02:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:02:09,477 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:02:41,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:02:41,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 58 states and 220 transitions. [2018-10-03 10:02:41,246 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 220 transitions. [2018-10-03 10:02:41,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-03 10:02:41,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:02:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:02:43,281 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:02:58,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:02:58,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 60 states and 223 transitions. [2018-10-03 10:02:58,965 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 223 transitions. [2018-10-03 10:02:58,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-03 10:02:58,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:02:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:03:18,870 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:35,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:35,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 17 states and 46 transitions. [2018-10-03 10:04:35,785 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 46 transitions. [2018-10-03 10:04:35,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-03 10:04:35,787 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 0 iterations. [2018-10-03 10:04:35,795 INFO L760 CodeCheckObserver]: 0 DeclaredPredicates, 2730 GetRequests, 2247 SyntacticMatches, 119 SemanticMatches, 364 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 224.1s Time 160.7s impTime 59 [2018-10-03 10:04:35,799 INFO L776 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown