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/20170304-DifficultPathPrograms/nested.c_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:54:30,409 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:54:30,412 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:54:30,425 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:54:30,425 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:54:30,426 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:54:30,428 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:54:30,430 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:54:30,431 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:54:30,432 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:54:30,433 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:54:30,433 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:54:30,434 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:54:30,435 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:54:30,437 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:54:30,437 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:54:30,438 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:54:30,440 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:54:30,442 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:54:30,444 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:54:30,445 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:54:30,446 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:54:30,449 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:54:30,449 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:54:30,449 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:54:30,450 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:54:30,451 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:54:30,452 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:54:30,453 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:54:30,454 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:54:30,455 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:54:30,455 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:54:30,456 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:54:30,456 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:54:30,457 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:54:30,458 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:54:30,458 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-26 22:54:30,475 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:54:30,475 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:54:30,476 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:54:30,477 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:54:30,477 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:54:30,477 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:54:30,478 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:54:30,478 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:54:30,478 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:54:30,478 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:54:30,478 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:54:30,479 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:54:30,479 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:54:30,479 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:54:30,479 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:54:30,479 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:54:30,479 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:54:30,480 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:54:30,480 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:54:30,480 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:54:30,480 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:54:30,481 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:54:30,481 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:54:30,481 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:54:30,481 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:54:30,481 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:54:30,482 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:54:30,482 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:54:30,482 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:54:30,482 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:54:30,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:54:30,564 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:54:30,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:54:30,573 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:54:30,574 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:54:30,576 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested.c_4.bpl [2018-09-26 22:54:30,577 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested.c_4.bpl' [2018-09-26 22:54:30,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:54:30,663 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:54:30,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:54:30,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:54:30,665 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:54:30,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:54:30" (1/1) ... [2018-09-26 22:54:30,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:54:30" (1/1) ... [2018-09-26 22:54:30,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:54:30,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:54:30,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:54:30,715 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:54:30,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:54:30" (1/1) ... [2018-09-26 22:54:30,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:54:30" (1/1) ... [2018-09-26 22:54:30,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:54:30" (1/1) ... [2018-09-26 22:54:30,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:54:30" (1/1) ... [2018-09-26 22:54:30,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:54:30" (1/1) ... [2018-09-26 22:54:30,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:54:30" (1/1) ... [2018-09-26 22:54:30,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:54:30" (1/1) ... [2018-09-26 22:54:30,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:54:30,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:54:30,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:54:30,746 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:54:30,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:54:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:54:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:54:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:54:31,130 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:54:31,131 INFO L202 PluginConnector]: Adding new model nested.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:54:31 BoogieIcfgContainer [2018-09-26 22:54:31,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:54:31,134 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:54:31,134 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:54:31,147 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:54:31,148 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:54:31" (1/1) ... [2018-09-26 22:54:31,161 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:54:31,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:54:31,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-26 22:54:31,200 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-26 22:54:31,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:54:31,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:54:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:54:31,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:54:31,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:54:31,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 22:54:31,743 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 22:54:31,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:54:31,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:54:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:54:31,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:54:33,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:54:33,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-09-26 22:54:33,609 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-09-26 22:54:33,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:54:33,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:54:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:54:33,744 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:54:34,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:54:34,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-09-26 22:54:34,725 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-09-26 22:54:34,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:54:34,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:54:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:54:34,877 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:54:36,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:54:36,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-09-26 22:54:36,785 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-09-26 22:54:36,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:54:36,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:54:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:54:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:54:37,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:54:37,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-09-26 22:54:37,664 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-09-26 22:54:37,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:54:37,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:54:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:54:37,774 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:54:38,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:54:38,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-09-26 22:54:38,970 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-09-26 22:54:38,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:54:38,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:54:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:54:39,095 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:54:40,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:54:40,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-09-26 22:54:40,252 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-09-26 22:54:40,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:54:40,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:54:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:54:40,344 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:54:40,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:54:40,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-09-26 22:54:40,982 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-09-26 22:54:40,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:54:40,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:54:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:54:41,120 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:54:42,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:54:42,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-09-26 22:54:42,231 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-09-26 22:54:42,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:54:42,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:54:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:54:42,380 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:54:43,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:54:43,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-09-26 22:54:43,485 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-09-26 22:54:43,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:54:43,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:54:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:54:43,598 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:54:44,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:54:44,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-09-26 22:54:44,588 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-09-26 22:54:44,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:54:44,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:54:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:54:44,723 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:54:45,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:54:45,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-09-26 22:54:45,817 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-09-26 22:54:45,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:54:45,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:54:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:54:46,020 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:54:47,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:54:47,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-09-26 22:54:47,315 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-09-26 22:54:47,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:54:47,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:54:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:54:47,506 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:54:48,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:54:48,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-09-26 22:54:48,903 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-09-26 22:54:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:54:48,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:54:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:54:49,150 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:54:50,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:54:50,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-09-26 22:54:50,770 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-09-26 22:54:50,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:54:50,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:54:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:54:50,994 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:54:52,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:54:52,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2018-09-26 22:54:52,762 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-09-26 22:54:52,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:54:52,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:54:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:54:53,003 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:54:55,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:54:55,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2018-09-26 22:54:55,150 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-09-26 22:54:55,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:54:55,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:54:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:54:55,661 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:54:58,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:54:58,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2018-09-26 22:54:58,364 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-09-26 22:54:58,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:54:58,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:54:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:54:58,635 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:55:01,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:55:01,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 43 states and 44 transitions. [2018-09-26 22:55:01,498 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-09-26 22:55:01,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:55:01,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:55:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:55:01,791 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:55:04,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:55:04,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2018-09-26 22:55:04,806 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-09-26 22:55:04,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:55:04,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:55:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:55:05,350 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:55:08,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:55:08,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-09-26 22:55:08,287 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-09-26 22:55:08,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:55:08,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:55:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:55:09,511 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:55:12,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:55:12,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2018-09-26 22:55:12,922 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-09-26 22:55:12,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:55:12,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:55:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:55:13,298 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:55:17,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:55:17,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 51 states and 52 transitions. [2018-09-26 22:55:17,125 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-09-26 22:55:17,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:55:17,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:55:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:55:17,614 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:55:21,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:55:21,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 53 states and 54 transitions. [2018-09-26 22:55:21,699 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-09-26 22:55:21,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:55:21,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:55:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:55:22,243 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:55:26,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:55:26,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 55 states and 56 transitions. [2018-09-26 22:55:26,765 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-09-26 22:55:26,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:55:26,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:55:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:55:27,404 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:55:32,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:55:32,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 57 states and 58 transitions. [2018-09-26 22:55:32,380 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-09-26 22:55:32,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:55:32,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:55:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:55:33,129 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:55:38,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:55:38,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 59 states and 60 transitions. [2018-09-26 22:55:38,639 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-09-26 22:55:38,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-26 22:55:38,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:55:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:55:39,144 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:55:44,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:55:44,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 61 states and 62 transitions. [2018-09-26 22:55:44,955 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2018-09-26 22:55:44,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-26 22:55:44,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:55:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:55:45,497 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:55:51,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:55:51,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 63 states and 64 transitions. [2018-09-26 22:55:51,882 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2018-09-26 22:55:51,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-26 22:55:51,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:55:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:55:52,414 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:55:59,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:55:59,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 65 states and 66 transitions. [2018-09-26 22:55:59,268 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2018-09-26 22:55:59,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-26 22:55:59,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:55:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:55:59,903 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:56:07,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:56:07,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 67 states and 68 transitions. [2018-09-26 22:56:07,389 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2018-09-26 22:56:07,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-26 22:56:07,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:56:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:56:09,209 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:56:17,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:56:17,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 69 states and 70 transitions. [2018-09-26 22:56:17,494 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2018-09-26 22:56:17,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-26 22:56:17,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:56:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:56:18,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:56:27,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:56:27,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 71 states and 72 transitions. [2018-09-26 22:56:27,314 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2018-09-26 22:56:27,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-26 22:56:27,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:56:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:56:28,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:56:37,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:56:37,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 73 states and 74 transitions. [2018-09-26 22:56:37,526 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2018-09-26 22:56:37,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-26 22:56:37,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:56:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:56:38,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:56:48,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:56:48,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 75 states and 76 transitions. [2018-09-26 22:56:48,593 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2018-09-26 22:56:48,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-26 22:56:48,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:56:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:56:49,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:57:00,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:57:00,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 77 states and 78 transitions. [2018-09-26 22:57:00,207 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2018-09-26 22:57:00,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-26 22:57:00,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:57:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:57:01,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:57:12,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:57:12,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 79 states and 80 transitions. [2018-09-26 22:57:12,743 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2018-09-26 22:57:12,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-26 22:57:12,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:57:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:57:13,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:57:25,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:57:25,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 81 states and 82 transitions. [2018-09-26 22:57:25,905 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2018-09-26 22:57:25,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-26 22:57:25,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:57:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:57:26,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:57:39,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:57:39,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 83 states and 84 transitions. [2018-09-26 22:57:39,622 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2018-09-26 22:57:39,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-26 22:57:39,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:57:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:57:40,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:57:54,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:57:54,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 85 states and 86 transitions. [2018-09-26 22:57:54,581 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 86 transitions. [2018-09-26 22:57:54,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-26 22:57:54,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:57:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:57:55,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:58:10,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:58:10,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 87 states and 88 transitions. [2018-09-26 22:58:10,310 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2018-09-26 22:58:10,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-26 22:58:10,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:58:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:58:11,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:58:26,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:58:26,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 89 states and 90 transitions. [2018-09-26 22:58:26,686 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 90 transitions. [2018-09-26 22:58:26,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-26 22:58:26,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:58:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:58:27,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:58:44,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:58:44,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 91 states and 92 transitions. [2018-09-26 22:58:44,130 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 92 transitions. [2018-09-26 22:58:44,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-26 22:58:44,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:58:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:58:45,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-26 22:59:03,161 INFO L202 PluginConnector]: Adding new model nested.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.09 10:59:03 ImpRootNode [2018-09-26 22:59:03,161 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-09-26 22:59:03,162 INFO L168 Benchmark]: Toolchain (without parser) took 272501.88 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -216.5 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 461.9 MB). Peak memory consumption was 245.4 MB. Max. memory is 7.1 GB. [2018-09-26 22:59:03,164 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.36 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:59:03,165 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.39 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:59:03,166 INFO L168 Benchmark]: Boogie Preprocessor took 30.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:59:03,166 INFO L168 Benchmark]: RCFGBuilder took 386.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 22:59:03,167 INFO L168 Benchmark]: CodeCheck took 272027.73 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -216.5 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 440.8 MB). Peak memory consumption was 224.3 MB. Max. memory is 7.1 GB. [2018-09-26 22:59:03,171 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResultAtElement [Line: 63]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 63) - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. UNKNOWN Result, 271.9s OverallTime, 44 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -4 SDslu, -8 SDs, 0 SdLazy, -14 SolverSat, -6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.1s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 21.8s InterpolantComputationTime, 2068 NumberOfCodeBlocks, 2068 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 2024 ConstructedInterpolants, 0 QuantifiedInterpolants, 360404 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 44 InterpolantComputations, 1 PerfectInterpolantSequences, 0/28380 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - GenericResult: Unable to decide if program is safe! Unable to decide if program is safe! * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.36 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.39 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 386.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 272027.73 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -216.5 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 440.8 MB). Peak memory consumption was 224.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested.c_4.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-09-26_22-59-03-184.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested.c_4.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-26_22-59-03-184.csv Completed graceful shutdown