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/toy/tooDifficultLoopInvariant/LuxembourgOctopus.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 13:56:49,759 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:56:49,761 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:56:49,779 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:56:49,780 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:56:49,782 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:56:49,783 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:56:49,786 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:56:49,795 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:56:49,796 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:56:49,797 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:56:49,797 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:56:49,800 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:56:49,801 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:56:49,806 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:56:49,807 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:56:49,808 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:56:49,813 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:56:49,818 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:56:49,822 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:56:49,823 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:56:49,825 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:56:49,832 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:56:49,832 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:56:49,833 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:56:49,834 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:56:49,834 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:56:49,835 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:56:49,836 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:56:49,837 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:56:49,837 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:56:49,838 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:56:49,838 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:56:49,838 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:56:49,839 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:56:49,840 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:56:49,840 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 [2018-10-04 13:56:49,855 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:56:49,856 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:56:49,857 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:56:49,857 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:56:49,857 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:56:49,858 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:56:49,858 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:56:49,858 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:56:49,858 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:56:49,859 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:56:49,859 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:56:49,859 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:56:49,859 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:56:49,859 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:56:49,860 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:56:49,860 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:56:49,860 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:56:49,860 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:56:49,860 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:56:49,861 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 13:56:49,861 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:56:49,861 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:56:49,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:56:49,861 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:56:49,862 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:56:49,862 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:56:49,862 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:56:49,862 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:56:49,862 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:56:49,863 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:56:49,909 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:56:49,922 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:56:49,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:56:49,929 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:56:49,930 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:56:49,930 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/LuxembourgOctopus.bpl [2018-10-04 13:56:49,931 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/LuxembourgOctopus.bpl' [2018-10-04 13:56:49,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:56:49,986 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:56:49,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:56:49,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:56:49,987 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:56:50,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:56:49" (1/1) ... [2018-10-04 13:56:50,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:56:49" (1/1) ... [2018-10-04 13:56:50,028 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 13:56:50,028 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 13:56:50,028 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 13:56:50,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:56:50,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:56:50,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:56:50,032 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:56:50,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:56:49" (1/1) ... [2018-10-04 13:56:50,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:56:49" (1/1) ... [2018-10-04 13:56:50,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:56:49" (1/1) ... [2018-10-04 13:56:50,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:56:49" (1/1) ... [2018-10-04 13:56:50,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:56:49" (1/1) ... [2018-10-04 13:56:50,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:56:49" (1/1) ... [2018-10-04 13:56:50,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:56:49" (1/1) ... [2018-10-04 13:56:50,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:56:50,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:56:50,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:56:50,056 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:56:50,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:56:49" (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 13:56:50,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-04 13:56:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-04 13:56:50,132 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-04 13:56:50,285 INFO L338 CfgBuilder]: Using library mode [2018-10-04 13:56:50,286 INFO L202 PluginConnector]: Adding new model LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:56:50 BoogieIcfgContainer [2018-10-04 13:56:50,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:56:50,287 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:56:50,287 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:56:50,298 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:56:50,299 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:56:50" (1/1) ... [2018-10-04 13:56:50,312 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 13:56:50,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:50,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-10-04 13:56:50,350 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-10-04 13:56:50,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 13:56:50,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:50,504 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 13:56:50,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:50,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-10-04 13:56:50,748 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-10-04 13:56:50,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:56:50,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:50,833 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 13:56:51,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:51,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 8 states and 13 transitions. [2018-10-04 13:56:51,087 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 13 transitions. [2018-10-04 13:56:51,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 13:56:51,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:51,210 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 13:56:51,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:51,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-10-04 13:56:51,650 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-10-04 13:56:51,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:56:51,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:51,710 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 13:56:52,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:52,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-10-04 13:56:52,078 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-10-04 13:56:52,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 13:56:52,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:52,178 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 13:56:52,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:52,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 11 states and 19 transitions. [2018-10-04 13:56:52,812 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 19 transitions. [2018-10-04 13:56:52,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:56:52,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:52,886 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 13:56:53,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:53,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2018-10-04 13:56:53,091 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2018-10-04 13:56:53,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 13:56:53,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:53,160 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 13:56:53,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:53,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 13 states and 23 transitions. [2018-10-04 13:56:53,456 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 23 transitions. [2018-10-04 13:56:53,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:56:53,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:53,562 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 13:56:53,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:53,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 14 states and 25 transitions. [2018-10-04 13:56:53,846 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2018-10-04 13:56:53,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 13:56:53,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:53,925 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 13:56:54,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:54,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2018-10-04 13:56:54,630 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2018-10-04 13:56:54,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:56:54,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:54,730 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:54,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:54,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 16 states and 29 transitions. [2018-10-04 13:56:54,888 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 29 transitions. [2018-10-04 13:56:54,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:56:54,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:54,981 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:55,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:55,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2018-10-04 13:56:55,313 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2018-10-04 13:56:55,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:56:55,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:55,430 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:55,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:55,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2018-10-04 13:56:55,712 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2018-10-04 13:56:55,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 13:56:55,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:56,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:56,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2018-10-04 13:56:56,489 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2018-10-04 13:56:56,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:56:56,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:56,592 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:56,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:56,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 20 states and 37 transitions. [2018-10-04 13:56:56,805 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 37 transitions. [2018-10-04 13:56:56,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:56:56,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:56,952 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:57,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:57,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 21 states and 39 transitions. [2018-10-04 13:56:57,172 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 39 transitions. [2018-10-04 13:56:57,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:56:57,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:57,280 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:57,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:57,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 22 states and 41 transitions. [2018-10-04 13:56:57,530 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 41 transitions. [2018-10-04 13:56:57,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 13:56:57,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:57,638 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:57,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:57,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2018-10-04 13:56:57,868 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2018-10-04 13:56:57,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:56:57,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:56:58,303 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:56:59,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:56:59,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 24 states and 45 transitions. [2018-10-04 13:56:59,866 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 45 transitions. [2018-10-04 13:56:59,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 13:56:59,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:56:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:57:00,132 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:57:00,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:57:00,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 25 states and 47 transitions. [2018-10-04 13:57:00,451 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 47 transitions. [2018-10-04 13:57:00,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:57:00,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:57:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:57:00,613 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:57:00,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:57:00,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 49 transitions. [2018-10-04 13:57:00,849 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 49 transitions. [2018-10-04 13:57:00,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 13:57:00,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:57:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:57:01,045 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:57:01,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:57:01,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 27 states and 51 transitions. [2018-10-04 13:57:01,283 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 51 transitions. [2018-10-04 13:57:01,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:57:01,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:57:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:57:01,544 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:57:02,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:57:02,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 28 states and 53 transitions. [2018-10-04 13:57:02,139 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 53 transitions. [2018-10-04 13:57:02,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 13:57:02,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:57:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:57:02,287 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:57:02,558 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver cannot find a model for the term (let ((.cse0 (not (= main_z main_x)))) (and .cse0 (not .cse0))) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.PredicateTrie.getWitness(PredicateTrie.java:213) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getWitnessInductive(BPredicateUnifier.java:391) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getWitnessInductive(BPredicateUnifier.java:405) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getWitnessInductive(BPredicateUnifier.java:405) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getWitnessInductive(BPredicateUnifier.java:405) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getWitnessInductive(BPredicateUnifier.java:405) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getWitnessInductive(BPredicateUnifier.java:405) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getWitnessInductive(BPredicateUnifier.java:412) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.restructurePredicateTrie(BPredicateUnifier.java:371) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getOrConstructPredicateInternal(BPredicateUnifier.java:249) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getOrConstructPredicate(BPredicateUnifier.java:218) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getOrConstructPredicate(BPredicateUnifier.java:301) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeChecker.negatePredicate(CodeChecker.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.isSatEdge(UltimateChecker.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.connectOutgoingIfSat(UltimateChecker.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.splitNode(UltimateChecker.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.codeCheck(UltimateChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:492) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-04 13:57:02,562 INFO L168 Benchmark]: Toolchain (without parser) took 12576.70 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 19.4 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 286.1 MB). Peak memory consumption was 305.5 MB. Max. memory is 7.1 GB. [2018-10-04 13:57:02,564 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:57:02,565 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:57:02,566 INFO L168 Benchmark]: Boogie Preprocessor took 23.74 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:57:02,566 INFO L168 Benchmark]: RCFGBuilder took 230.98 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 13:57:02,567 INFO L168 Benchmark]: CodeCheck took 12274.14 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 19.4 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 265.0 MB). Peak memory consumption was 284.4 MB. Max. memory is 7.1 GB. [2018-10-04 13:57:02,572 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver cannot find a model for the term (let ((.cse0 (not (= main_z main_x)))) (and .cse0 (not .cse0))) de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver cannot find a model for the term (let ((.cse0 (not (= main_z main_x)))) (and .cse0 (not .cse0))): de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.PredicateTrie.getWitness(PredicateTrie.java:213) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.11 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 23.74 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 230.98 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 12274.14 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 19.4 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 265.0 MB). Peak memory consumption was 284.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/LuxembourgOctopus.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_13-57-02-585.csv Received shutdown request...