java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenInequality.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 13:27:39,033 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:27:39,035 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:27:39,051 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:27:39,052 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:27:39,053 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:27:39,054 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:27:39,055 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:27:39,057 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:27:39,058 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:27:39,059 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:27:39,059 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:27:39,060 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:27:39,061 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:27:39,062 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:27:39,063 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:27:39,064 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:27:39,068 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:27:39,070 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:27:39,074 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:27:39,076 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:27:39,079 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:27:39,081 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:27:39,081 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:27:39,081 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:27:39,082 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:27:39,083 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:27:39,084 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:27:39,086 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:27:39,087 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:27:39,087 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:27:39,088 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:27:39,088 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:27:39,089 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:27:39,090 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:27:39,091 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:27:39,091 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-04 13:27:39,115 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:27:39,115 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:27:39,116 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:27:39,117 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:27:39,120 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:27:39,120 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:27:39,120 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:27:39,120 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:27:39,122 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:27:39,122 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:27:39,122 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:27:39,122 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:27:39,122 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:27:39,123 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:27:39,123 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:27:39,123 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:27:39,123 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:27:39,123 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:27:39,124 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:27:39,125 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:27:39,125 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:27:39,126 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:27:39,126 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:27:39,126 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:27:39,126 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:27:39,126 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:27:39,126 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:27:39,127 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:27:39,127 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:27:39,189 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:27:39,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:27:39,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:27:39,212 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:27:39,213 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:27:39,214 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenInequality.bpl [2018-10-04 13:27:39,214 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenInequality.bpl' [2018-10-04 13:27:39,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:27:39,264 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:27:39,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:27:39,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:27:39,265 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:27:39,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:27:39" (1/1) ... [2018-10-04 13:27:39,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:27:39" (1/1) ... [2018-10-04 13:27:39,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:27:39,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:27:39,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:27:39,308 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:27:39,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:27:39" (1/1) ... [2018-10-04 13:27:39,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:27:39" (1/1) ... [2018-10-04 13:27:39,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:27:39" (1/1) ... [2018-10-04 13:27:39,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:27:39" (1/1) ... [2018-10-04 13:27:39,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:27:39" (1/1) ... [2018-10-04 13:27:39,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:27:39" (1/1) ... [2018-10-04 13:27:39,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:27:39" (1/1) ... [2018-10-04 13:27:39,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:27:39,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:27:39,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:27:39,330 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:27:39,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:27:39" (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 [2018-10-04 13:27:39,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 13:27:39,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 13:27:39,630 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 13:27:39,631 INFO L202 PluginConnector]: Adding new model HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:27:39 BoogieIcfgContainer [2018-10-04 13:27:39,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:27:39,632 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:27:39,632 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:27:39,643 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:27:39,644 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:27:39" (1/1) ... [2018-10-04 13:27:39,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 13:27:39,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:39,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-04 13:27:39,695 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-04 13:27:39,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 13:27:39,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:39,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:40,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:40,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-10-04 13:27:40,002 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-10-04 13:27:40,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:27:40,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:40,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:40,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:40,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-10-04 13:27:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-10-04 13:27:40,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 13:27:40,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:40,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:40,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:40,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-04 13:27:40,519 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-04 13:27:40,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:27:40,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:40,652 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:40,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:40,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-10-04 13:27:40,883 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-10-04 13:27:40,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 13:27:40,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:40,935 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:41,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:41,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-10-04 13:27:41,126 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-10-04 13:27:41,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:27:41,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:41,176 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:41,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:41,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-10-04 13:27:41,293 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-10-04 13:27:41,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 13:27:41,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:41,418 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:41,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:41,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-10-04 13:27:41,797 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-10-04 13:27:41,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:27:41,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:41,876 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:41,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:41,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-10-04 13:27:41,996 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-10-04 13:27:41,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 13:27:41,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:42,095 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:42,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:42,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-10-04 13:27:42,195 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-10-04 13:27:42,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:27:42,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:42,607 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:44,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:44,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-10-04 13:27:44,827 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-10-04 13:27:44,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-04 13:27:44,828 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-10-04 13:27:44,838 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-04 13:27:44,965 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2018-10-04 13:27:44,966 INFO L582 CodeCheckObserver]: Invariant with dag size 41 [2018-10-04 13:27:44,975 INFO L202 PluginConnector]: Adding new model HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 04.10 01:27:44 ImpRootNode [2018-10-04 13:27:44,975 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-04 13:27:44,976 INFO L168 Benchmark]: Toolchain (without parser) took 5713.05 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 428.4 MB). Peak memory consumption was 428.4 MB. Max. memory is 7.1 GB. [2018-10-04 13:27:44,978 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-10-04 13:27:44,979 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.43 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. [2018-10-04 13:27:44,979 INFO L168 Benchmark]: Boogie Preprocessor took 22.04 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. [2018-10-04 13:27:44,980 INFO L168 Benchmark]: RCFGBuilder took 301.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 13:27:44,981 INFO L168 Benchmark]: CodeCheck took 5343.91 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 407.2 MB). Peak memory consumption was 407.2 MB. Max. memory is 7.1 GB. [2018-10-04 13:27:44,985 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. SAFE Result, 5.1s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1024 SDtfs, 4 SDslu, 0 SDs, 0 SdLazy, 6728 SolverSat, 5664 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 565 GetRequests, 435 SyntacticMatches, 36 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3525 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 1407 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 45/165 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 - PositiveResult [Line: 29]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (((((((((i <= 6 && 6 <= s) || (i <= 1 && 1 <= s)) || (i <= 0 && 0 <= s)) || (i <= 7 && 7 <= s)) || (8 <= s && i <= 8)) || (i <= 3 && 3 <= s)) || (4 <= s && i <= 4)) || (5 <= s && i <= 5)) || 9 <= s) || (i <= 2 && 2 <= s) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 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 42.43 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 22.04 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 301.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 5343.91 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 407.2 MB). Peak memory consumption was 407.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/HiddenInequality.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-10-04_13-27-44-999.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/HiddenInequality.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_13-27-44-999.csv Received shutdown request...