/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive/recHanoi01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:14:04,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:14:04,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:14:04,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:14:04,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:14:04,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:14:04,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:14:04,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:14:04,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:14:04,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:14:04,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:14:04,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:14:04,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:14:04,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:14:04,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:14:04,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:14:04,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:14:04,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:14:04,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:14:04,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:14:04,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:14:04,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:14:04,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:14:04,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:14:04,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:14:04,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:14:04,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:14:04,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:14:04,880 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:14:04,894 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:14:04,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:14:04,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:14:04,896 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:14:04,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:14:04,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:14:04,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:14:04,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:14:04,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:14:04,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:14:04,899 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:14:04,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:14:04,899 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:14:04,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:14:04,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:14:04,902 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:14:04,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:14:04,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:14:04,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:14:04,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:14:04,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:14:04,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:14:04,903 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:14:05,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:14:05,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:14:05,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:14:05,190 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:14:05,190 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:14:05,191 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/recHanoi01.c [2020-07-18 00:14:05,268 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/126fe7ce5/2d19f87415c7406d88929323471e78ab/FLAGd42b2d82c [2020-07-18 00:14:05,738 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:14:05,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/recHanoi01.c [2020-07-18 00:14:05,745 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/126fe7ce5/2d19f87415c7406d88929323471e78ab/FLAGd42b2d82c [2020-07-18 00:14:06,122 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/126fe7ce5/2d19f87415c7406d88929323471e78ab [2020-07-18 00:14:06,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:14:06,134 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:14:06,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:14:06,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:14:06,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:14:06,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:14:06" (1/1) ... [2020-07-18 00:14:06,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e36d042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:06, skipping insertion in model container [2020-07-18 00:14:06,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:14:06" (1/1) ... [2020-07-18 00:14:06,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:14:06,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:14:06,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:14:06,371 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:14:06,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:14:06,406 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:14:06,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:06 WrapperNode [2020-07-18 00:14:06,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:14:06,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:14:06,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:14:06,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:14:06,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:06" (1/1) ... [2020-07-18 00:14:06,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:06" (1/1) ... [2020-07-18 00:14:06,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:06" (1/1) ... [2020-07-18 00:14:06,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:06" (1/1) ... [2020-07-18 00:14:06,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:06" (1/1) ... [2020-07-18 00:14:06,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:06" (1/1) ... [2020-07-18 00:14:06,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:06" (1/1) ... [2020-07-18 00:14:06,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:14:06,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:14:06,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:14:06,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:14:06,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:06" (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:2000 (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:2000 [2020-07-18 00:14:06,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:14:06,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:14:06,582 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2020-07-18 00:14:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2020-07-18 00:14:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:14:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:14:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 00:14:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2020-07-18 00:14:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2020-07-18 00:14:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:14:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:14:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:14:06,909 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:14:06,910 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 00:14:06,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:14:06 BoogieIcfgContainer [2020-07-18 00:14:06,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:14:06,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:14:06,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:14:06,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:14:06,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:14:06" (1/3) ... [2020-07-18 00:14:06,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77338454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:14:06, skipping insertion in model container [2020-07-18 00:14:06,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:06" (2/3) ... [2020-07-18 00:14:06,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77338454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:14:06, skipping insertion in model container [2020-07-18 00:14:06,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:14:06" (3/3) ... [2020-07-18 00:14:06,923 INFO L109 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2020-07-18 00:14:06,934 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:14:06,941 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:14:06,955 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:14:06,981 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:14:06,981 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:14:06,981 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:14:06,981 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:14:06,982 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:14:06,982 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:14:06,982 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:14:06,982 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:14:06,996 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-07-18 00:14:07,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-18 00:14:07,007 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:14:07,008 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:14:07,009 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:14:07,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:14:07,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1892500808, now seen corresponding path program 1 times [2020-07-18 00:14:07,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:14:07,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1002994685] [2020-07-18 00:14:07,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:14:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:14:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:14:07,285 INFO L280 TraceCheckUtils]: 0: Hoare triple {66#(= ~counter~0 |old(~counter~0)|)} ~counter~0 := 0; {48#true} is VALID [2020-07-18 00:14:07,286 INFO L280 TraceCheckUtils]: 1: Hoare triple {48#true} assume true; {48#true} is VALID [2020-07-18 00:14:07,287 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {48#true} {48#true} #60#return; {48#true} is VALID [2020-07-18 00:14:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:14:07,385 INFO L280 TraceCheckUtils]: 0: Hoare triple {66#(= ~counter~0 |old(~counter~0)|)} ~n := #in~n; {67#(= applyHanoi_~n |applyHanoi_#in~n|)} is VALID [2020-07-18 00:14:07,386 INFO L280 TraceCheckUtils]: 1: Hoare triple {67#(= applyHanoi_~n |applyHanoi_#in~n|)} ~from := #in~from; {67#(= applyHanoi_~n |applyHanoi_#in~n|)} is VALID [2020-07-18 00:14:07,388 INFO L280 TraceCheckUtils]: 2: Hoare triple {67#(= applyHanoi_~n |applyHanoi_#in~n|)} ~to := #in~to; {67#(= applyHanoi_~n |applyHanoi_#in~n|)} is VALID [2020-07-18 00:14:07,390 INFO L280 TraceCheckUtils]: 3: Hoare triple {67#(= applyHanoi_~n |applyHanoi_#in~n|)} ~via := #in~via; {67#(= applyHanoi_~n |applyHanoi_#in~n|)} is VALID [2020-07-18 00:14:07,391 INFO L280 TraceCheckUtils]: 4: Hoare triple {67#(= applyHanoi_~n |applyHanoi_#in~n|)} assume 0 == ~n; {68#(= 0 |applyHanoi_#in~n|)} is VALID [2020-07-18 00:14:07,392 INFO L280 TraceCheckUtils]: 5: Hoare triple {68#(= 0 |applyHanoi_#in~n|)} assume true; {68#(= 0 |applyHanoi_#in~n|)} is VALID [2020-07-18 00:14:07,395 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {68#(= 0 |applyHanoi_#in~n|)} {53#(<= 1 main_~n~0)} #64#return; {49#false} is VALID [2020-07-18 00:14:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:14:07,404 INFO L280 TraceCheckUtils]: 0: Hoare triple {48#true} ~n := #in~n; {48#true} is VALID [2020-07-18 00:14:07,405 INFO L280 TraceCheckUtils]: 1: Hoare triple {48#true} assume 1 == ~n; {48#true} is VALID [2020-07-18 00:14:07,406 INFO L280 TraceCheckUtils]: 2: Hoare triple {48#true} #res := 1; {48#true} is VALID [2020-07-18 00:14:07,406 INFO L280 TraceCheckUtils]: 3: Hoare triple {48#true} assume true; {48#true} is VALID [2020-07-18 00:14:07,407 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {48#true} {49#false} #66#return; {49#false} is VALID [2020-07-18 00:14:07,408 INFO L263 TraceCheckUtils]: 0: Hoare triple {48#true} call ULTIMATE.init(); {66#(= ~counter~0 |old(~counter~0)|)} is VALID [2020-07-18 00:14:07,409 INFO L280 TraceCheckUtils]: 1: Hoare triple {66#(= ~counter~0 |old(~counter~0)|)} ~counter~0 := 0; {48#true} is VALID [2020-07-18 00:14:07,410 INFO L280 TraceCheckUtils]: 2: Hoare triple {48#true} assume true; {48#true} is VALID [2020-07-18 00:14:07,410 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {48#true} {48#true} #60#return; {48#true} is VALID [2020-07-18 00:14:07,411 INFO L263 TraceCheckUtils]: 4: Hoare triple {48#true} call #t~ret4 := main(); {48#true} is VALID [2020-07-18 00:14:07,411 INFO L280 TraceCheckUtils]: 5: Hoare triple {48#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {48#true} is VALID [2020-07-18 00:14:07,412 INFO L280 TraceCheckUtils]: 6: Hoare triple {48#true} ~n~0 := #t~nondet2; {48#true} is VALID [2020-07-18 00:14:07,412 INFO L280 TraceCheckUtils]: 7: Hoare triple {48#true} havoc #t~nondet2; {48#true} is VALID [2020-07-18 00:14:07,413 INFO L280 TraceCheckUtils]: 8: Hoare triple {48#true} assume !(~n~0 < 1 || ~n~0 > 31); {53#(<= 1 main_~n~0)} is VALID [2020-07-18 00:14:07,415 INFO L280 TraceCheckUtils]: 9: Hoare triple {53#(<= 1 main_~n~0)} ~counter~0 := 0; {53#(<= 1 main_~n~0)} is VALID [2020-07-18 00:14:07,418 INFO L263 TraceCheckUtils]: 10: Hoare triple {53#(<= 1 main_~n~0)} call applyHanoi(~n~0, 1, 3, 2); {66#(= ~counter~0 |old(~counter~0)|)} is VALID [2020-07-18 00:14:07,420 INFO L280 TraceCheckUtils]: 11: Hoare triple {66#(= ~counter~0 |old(~counter~0)|)} ~n := #in~n; {67#(= applyHanoi_~n |applyHanoi_#in~n|)} is VALID [2020-07-18 00:14:07,422 INFO L280 TraceCheckUtils]: 12: Hoare triple {67#(= applyHanoi_~n |applyHanoi_#in~n|)} ~from := #in~from; {67#(= applyHanoi_~n |applyHanoi_#in~n|)} is VALID [2020-07-18 00:14:07,423 INFO L280 TraceCheckUtils]: 13: Hoare triple {67#(= applyHanoi_~n |applyHanoi_#in~n|)} ~to := #in~to; {67#(= applyHanoi_~n |applyHanoi_#in~n|)} is VALID [2020-07-18 00:14:07,424 INFO L280 TraceCheckUtils]: 14: Hoare triple {67#(= applyHanoi_~n |applyHanoi_#in~n|)} ~via := #in~via; {67#(= applyHanoi_~n |applyHanoi_#in~n|)} is VALID [2020-07-18 00:14:07,426 INFO L280 TraceCheckUtils]: 15: Hoare triple {67#(= applyHanoi_~n |applyHanoi_#in~n|)} assume 0 == ~n; {68#(= 0 |applyHanoi_#in~n|)} is VALID [2020-07-18 00:14:07,428 INFO L280 TraceCheckUtils]: 16: Hoare triple {68#(= 0 |applyHanoi_#in~n|)} assume true; {68#(= 0 |applyHanoi_#in~n|)} is VALID [2020-07-18 00:14:07,432 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {68#(= 0 |applyHanoi_#in~n|)} {53#(<= 1 main_~n~0)} #64#return; {49#false} is VALID [2020-07-18 00:14:07,433 INFO L263 TraceCheckUtils]: 18: Hoare triple {49#false} call #t~ret3 := hanoi(~n~0); {48#true} is VALID [2020-07-18 00:14:07,433 INFO L280 TraceCheckUtils]: 19: Hoare triple {48#true} ~n := #in~n; {48#true} is VALID [2020-07-18 00:14:07,434 INFO L280 TraceCheckUtils]: 20: Hoare triple {48#true} assume 1 == ~n; {48#true} is VALID [2020-07-18 00:14:07,434 INFO L280 TraceCheckUtils]: 21: Hoare triple {48#true} #res := 1; {48#true} is VALID [2020-07-18 00:14:07,435 INFO L280 TraceCheckUtils]: 22: Hoare triple {48#true} assume true; {48#true} is VALID [2020-07-18 00:14:07,435 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {48#true} {49#false} #66#return; {49#false} is VALID [2020-07-18 00:14:07,436 INFO L280 TraceCheckUtils]: 24: Hoare triple {49#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {49#false} is VALID [2020-07-18 00:14:07,436 INFO L280 TraceCheckUtils]: 25: Hoare triple {49#false} ~result~0 := #t~ret3; {49#false} is VALID [2020-07-18 00:14:07,437 INFO L280 TraceCheckUtils]: 26: Hoare triple {49#false} havoc #t~ret3; {49#false} is VALID [2020-07-18 00:14:07,437 INFO L280 TraceCheckUtils]: 27: Hoare triple {49#false} assume !(~result~0 == ~counter~0); {49#false} is VALID [2020-07-18 00:14:07,437 INFO L280 TraceCheckUtils]: 28: Hoare triple {49#false} assume !false; {49#false} is VALID [2020-07-18 00:14:07,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:14:07,577 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:14:07,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1002994685] [2020-07-18 00:14:07,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:14:07,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-18 00:14:07,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422466354] [2020-07-18 00:14:07,589 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 29 [2020-07-18 00:14:07,593 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:14:07,597 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-18 00:14:07,649 WARN L140 InductivityCheck]: Transition 72#(and (<= main_~result~0 2147483647) (<= 0 (+ main_~result~0 2147483648)) (not (= ~counter~0 main_~result~0))) ( _ , assume !false; , 49#false ) not inductive [2020-07-18 00:14:07,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:14:07,651 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inductivity failed at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.checkInductivity(InductivityCheck.java:103) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.(InductivityCheck.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.constructInterpolantAutomaton(BasicCegarLoop.java:583) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:455) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-18 00:14:07,657 INFO L168 Benchmark]: Toolchain (without parser) took 1523.23 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 103.5 MB in the beginning and 110.1 MB in the end (delta: -6.5 MB). Peak memory consumption was 57.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:14:07,658 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 00:14:07,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.31 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 93.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-18 00:14:07,660 INFO L168 Benchmark]: Boogie Preprocessor took 27.31 ms. Allocated memory is still 138.4 MB. Free memory was 93.4 MB in the beginning and 92.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:14:07,661 INFO L168 Benchmark]: RCFGBuilder took 480.14 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 91.8 MB in the beginning and 160.4 MB in the end (delta: -68.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-18 00:14:07,662 INFO L168 Benchmark]: TraceAbstraction took 737.54 ms. Allocated memory is still 202.4 MB. Free memory was 159.8 MB in the beginning and 110.1 MB in the end (delta: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. [2020-07-18 00:14:07,666 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 271.31 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 93.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.31 ms. Allocated memory is still 138.4 MB. Free memory was 93.4 MB in the beginning and 92.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 480.14 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 91.8 MB in the beginning and 160.4 MB in the end (delta: -68.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 737.54 ms. Allocated memory is still 202.4 MB. Free memory was 159.8 MB in the beginning and 110.1 MB in the end (delta: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inductivity failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inductivity failed: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:142) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...