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/seq.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2eb0a67 [2018-10-03 10:19:44,025 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 10:19:44,027 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 10:19:44,047 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 10:19:44,048 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 10:19:44,049 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 10:19:44,051 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 10:19:44,054 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 10:19:44,056 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 10:19:44,059 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 10:19:44,060 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-03 10:19:44,060 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-03 10:19:44,063 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-03 10:19:44,064 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-03 10:19:44,072 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-03 10:19:44,073 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-03 10:19:44,076 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-03 10:19:44,079 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-03 10:19:44,082 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-03 10:19:44,085 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-03 10:19:44,087 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-03 10:19:44,088 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-03 10:19:44,093 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-03 10:19:44,093 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-03 10:19:44,093 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-03 10:19:44,094 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-03 10:19:44,095 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-03 10:19:44,096 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-03 10:19:44,097 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-03 10:19:44,098 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-03 10:19:44,099 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-03 10:19:44,099 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-03 10:19:44,101 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-03 10:19:44,101 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-03 10:19:44,102 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-03 10:19:44,104 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-03 10:19:44,105 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 10:19:44,133 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 10:19:44,136 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 10:19:44,137 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 10:19:44,137 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 10:19:44,138 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 10:19:44,138 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 10:19:44,138 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 10:19:44,138 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 10:19:44,139 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 10:19:44,139 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 10:19:44,139 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 10:19:44,139 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 10:19:44,139 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 10:19:44,140 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 10:19:44,140 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 10:19:44,140 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 10:19:44,140 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 10:19:44,142 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-03 10:19:44,142 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-03 10:19:44,142 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-03 10:19:44,142 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 10:19:44,143 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 10:19:44,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 10:19:44,143 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 10:19:44,143 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 10:19:44,144 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 10:19:44,144 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-03 10:19:44,144 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 10:19:44,144 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 10:19:44,145 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 10:19:44,215 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 10:19:44,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 10:19:44,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 10:19:44,247 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 10:19:44,247 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 10:19:44,248 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl [2018-10-03 10:19:44,249 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl' [2018-10-03 10:19:44,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 10:19:44,323 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 10:19:44,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 10:19:44,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 10:19:44,324 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 10:19:44,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:19:44" (1/1) ... [2018-10-03 10:19:44,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:19:44" (1/1) ... [2018-10-03 10:19:44,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 10:19:44,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 10:19:44,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 10:19:44,368 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 10:19:44,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:19:44" (1/1) ... [2018-10-03 10:19:44,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:19:44" (1/1) ... [2018-10-03 10:19:44,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:19:44" (1/1) ... [2018-10-03 10:19:44,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:19:44" (1/1) ... [2018-10-03 10:19:44,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:19:44" (1/1) ... [2018-10-03 10:19:44,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:19:44" (1/1) ... [2018-10-03 10:19:44,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:19:44" (1/1) ... [2018-10-03 10:19:44,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 10:19:44,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 10:19:44,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 10:19:44,391 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 10:19:44,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:19:44" (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 10:19:44,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-03 10:19:44,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-03 10:19:44,807 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-03 10:19:44,808 INFO L202 PluginConnector]: Adding new model seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:19:44 BoogieIcfgContainer [2018-10-03 10:19:44,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 10:19:44,809 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-03 10:19:44,809 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-03 10:19:44,824 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-03 10:19:44,824 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:19:44" (1/1) ... [2018-10-03 10:19:44,841 INFO L106 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-03 10:19:44,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:44,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-03 10:19:44,886 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-03 10:19:44,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-03 10:19:44,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:45,176 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 10:19:45,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:45,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-10-03 10:19:45,576 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-10-03 10:19:45,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:19:45,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:45,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:19:47,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:47,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2018-10-03 10:19:47,294 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2018-10-03 10:19:47,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:19:47,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:47,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:19:48,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:48,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-10-03 10:19:48,456 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-10-03 10:19:48,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 10:19:48,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:48,648 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:19:50,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:50,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-10-03 10:19:50,075 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-10-03 10:19:50,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:19:50,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:50,223 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:19:51,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:51,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-10-03 10:19:51,725 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-10-03 10:19:51,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 10:19:51,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:51,855 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:19:52,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:52,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-10-03 10:19:52,770 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-10-03 10:19:52,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:19:52,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:53,009 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:19:54,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:54,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-10-03 10:19:54,297 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-10-03 10:19:54,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-03 10:19:54,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:54,431 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:19:55,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:55,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-10-03 10:19:55,478 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-10-03 10:19:55,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-03 10:19:55,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:55,782 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:19:56,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:56,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-10-03 10:19:56,962 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-10-03 10:19:56,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-03 10:19:56,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:57,128 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:19:58,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:58,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-10-03 10:19:58,223 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-10-03 10:19:58,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-03 10:19:58,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:58,437 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:19:59,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:19:59,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2018-10-03 10:19:59,625 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2018-10-03 10:19:59,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-03 10:19:59,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:19:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:19:59,784 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:01,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:01,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-10-03 10:20:01,303 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-10-03 10:20:01,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-03 10:20:01,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:01,544 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:04,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:04,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-10-03 10:20:04,029 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-10-03 10:20:04,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-03 10:20:04,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:05,010 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:08,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:08,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2018-10-03 10:20:08,211 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2018-10-03 10:20:08,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-03 10:20:08,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:08,656 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:11,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:11,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 98 transitions. [2018-10-03 10:20:11,177 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2018-10-03 10:20:11,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-03 10:20:11,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:11,368 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:13,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:13,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2018-10-03 10:20:13,207 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2018-10-03 10:20:13,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-03 10:20:13,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:13,620 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:15,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:15,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-10-03 10:20:15,525 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-10-03 10:20:15,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-03 10:20:15,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:16,093 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:18,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:18,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2018-10-03 10:20:18,302 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2018-10-03 10:20:18,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-03 10:20:18,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:19,239 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:21,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:21,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 64 states and 131 transitions. [2018-10-03 10:20:21,539 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 131 transitions. [2018-10-03 10:20:21,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-03 10:20:21,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:21,816 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:24,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:24,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 133 transitions. [2018-10-03 10:20:24,270 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 133 transitions. [2018-10-03 10:20:24,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-03 10:20:24,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:24,624 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 110 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:27,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:27,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 149 transitions. [2018-10-03 10:20:27,121 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions. [2018-10-03 10:20:27,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-03 10:20:27,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:27,489 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:30,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:30,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 151 transitions. [2018-10-03 10:20:30,361 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2018-10-03 10:20:30,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-03 10:20:30,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:30,823 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:33,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:33,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2018-10-03 10:20:33,915 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2018-10-03 10:20:33,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-03 10:20:33,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:38,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:38,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 78 states and 170 transitions. [2018-10-03 10:20:38,320 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 170 transitions. [2018-10-03 10:20:38,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-03 10:20:38,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:39,480 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 156 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:42,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:42,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 82 states and 188 transitions. [2018-10-03 10:20:42,795 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 188 transitions. [2018-10-03 10:20:42,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-03 10:20:42,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:43,299 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:46,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:46,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2018-10-03 10:20:46,723 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2018-10-03 10:20:46,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-03 10:20:46,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:47,224 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:50,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:50,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2018-10-03 10:20:50,942 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2018-10-03 10:20:50,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-03 10:20:50,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:51,202 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:55,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:55,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 211 transitions. [2018-10-03 10:20:55,281 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 211 transitions. [2018-10-03 10:20:55,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-03 10:20:55,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:55,905 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 210 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:59,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:59,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 94 states and 231 transitions. [2018-10-03 10:20:59,842 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 231 transitions. [2018-10-03 10:20:59,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-03 10:20:59,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:00,201 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:04,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:04,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 96 states and 233 transitions. [2018-10-03 10:21:04,529 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 233 transitions. [2018-10-03 10:21:04,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-03 10:21:04,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:05,269 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:09,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:09,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 100 states and 254 transitions. [2018-10-03 10:21:09,662 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 254 transitions. [2018-10-03 10:21:09,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-03 10:21:09,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:10,503 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:15,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:15,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 102 states and 256 transitions. [2018-10-03 10:21:15,440 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 256 transitions. [2018-10-03 10:21:15,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-03 10:21:15,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:16,039 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:21,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:21,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 106 states and 278 transitions. [2018-10-03 10:21:21,082 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 278 transitions. [2018-10-03 10:21:21,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-03 10:21:21,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:21,446 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:26,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:26,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 108 states and 280 transitions. [2018-10-03 10:21:26,893 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 280 transitions. [2018-10-03 10:21:26,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-03 10:21:26,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:27,864 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:33,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:33,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 112 states and 303 transitions. [2018-10-03 10:21:33,712 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 303 transitions. [2018-10-03 10:21:33,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-03 10:21:33,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:34,072 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:40,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:40,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 114 states and 305 transitions. [2018-10-03 10:21:40,218 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 305 transitions. [2018-10-03 10:21:40,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-03 10:21:40,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:40,948 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 342 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:47,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:47,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 118 states and 329 transitions. [2018-10-03 10:21:47,311 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 329 transitions. [2018-10-03 10:21:47,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-03 10:21:47,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:47,742 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:54,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:54,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 120 states and 331 transitions. [2018-10-03 10:21:54,891 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 331 transitions. [2018-10-03 10:21:54,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-03 10:21:54,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:55,626 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:06,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:06,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 124 states and 356 transitions. [2018-10-03 10:22:06,453 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 356 transitions. [2018-10-03 10:22:06,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-03 10:22:06,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:07,309 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:15,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:15,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 126 states and 358 transitions. [2018-10-03 10:22:15,341 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 358 transitions. [2018-10-03 10:22:15,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-03 10:22:15,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:16,564 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:24,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:24,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 130 states and 384 transitions. [2018-10-03 10:22:24,878 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 384 transitions. [2018-10-03 10:22:24,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-03 10:22:24,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:25,438 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:34,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:34,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 132 states and 386 transitions. [2018-10-03 10:22:34,366 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 386 transitions. [2018-10-03 10:22:34,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-03 10:22:34,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:36,016 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:44,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:44,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 136 states and 413 transitions. [2018-10-03 10:22:44,351 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 413 transitions. [2018-10-03 10:22:44,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-03 10:22:44,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:44,920 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:54,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:54,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 138 states and 415 transitions. [2018-10-03 10:22:54,279 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 415 transitions. [2018-10-03 10:22:54,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-03 10:22:54,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:55,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 506 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:04,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:04,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 142 states and 443 transitions. [2018-10-03 10:23:04,883 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 443 transitions. [2018-10-03 10:23:04,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-03 10:23:04,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:05,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:15,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:15,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 144 states and 445 transitions. [2018-10-03 10:23:15,499 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 445 transitions. [2018-10-03 10:23:15,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-03 10:23:15,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:17,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:27,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:27,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 148 states and 474 transitions. [2018-10-03 10:23:27,111 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 474 transitions. [2018-10-03 10:23:27,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-03 10:23:27,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:27,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:38,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:38,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 150 states and 476 transitions. [2018-10-03 10:23:38,878 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 476 transitions. [2018-10-03 10:23:38,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-03 10:23:38,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:39,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:51,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:51,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 154 states and 506 transitions. [2018-10-03 10:23:51,418 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 506 transitions. [2018-10-03 10:23:51,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-03 10:23:51,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:51,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-03 10:24:03,928 INFO L760 CodeCheckObserver]: 0 DeclaredPredicates, 33728 GetRequests, 30534 SyntacticMatches, 2400 SemanticMatches, 794 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 248.3s Time 120.3s impTime 253 [2018-10-03 10:24:03,929 INFO L202 PluginConnector]: Adding new model seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.10 10:24:03 ImpRootNode [2018-10-03 10:24:03,930 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-03 10:24:03,931 INFO L168 Benchmark]: Toolchain (without parser) took 259610.25 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -328.7 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 403.0 MB). Peak memory consumption was 74.3 MB. Max. memory is 7.1 GB. [2018-10-03 10:24:03,933 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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. [2018-10-03 10:24:03,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.51 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. [2018-10-03 10:24:03,934 INFO L168 Benchmark]: Boogie Preprocessor took 22.22 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. [2018-10-03 10:24:03,934 INFO L168 Benchmark]: RCFGBuilder took 417.69 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-03 10:24:03,935 INFO L168 Benchmark]: CodeCheck took 259121.19 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -328.7 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 381.9 MB). Peak memory consumption was 53.2 MB. Max. memory is 7.1 GB. [2018-10-03 10:24:03,939 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResultAtElement [Line: 80]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 80) - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. UNKNOWN Result, 259.0s OverallTime, 50 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 1431655756 SDslu, -8 SDs, 0 SdLazy, -146 SolverSat, 1431655750 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 130.2s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 27.1s InterpolantComputationTime, 2750 NumberOfCodeBlocks, 2750 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 2700 ConstructedInterpolants, 0 QuantifiedInterpolants, 827762 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 2 PerfectInterpolantSequences, 11050/21450 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 0.22 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 43.51 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 22.22 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 417.69 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 259121.19 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -328.7 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 381.9 MB). Peak memory consumption was 53.2 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/seq.i_4.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-10-03_10-24-03-951.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/seq.i_4.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-03_10-24-03-951.csv Completed graceful shutdown