/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/array-tiling/skippedu.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:47:07,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:47:07,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:47:07,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:47:07,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:47:07,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:47:07,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:47:07,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:47:07,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:47:07,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:47:07,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:47:07,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:47:07,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:47:07,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:47:07,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:47:07,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:47:07,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:47:07,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:47:07,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:47:07,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:47:07,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:47:07,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:47:07,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:47:07,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:47:07,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:47:07,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:47:07,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:47:07,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:47:07,581 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 00:47:07,609 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:47:07,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:47:07,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:47:07,613 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:47:07,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:47:07,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:47:07,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:47:07,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:47:07,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:47:07,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:47:07,615 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:47:07,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:47:07,615 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:47:07,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:47:07,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:47:07,616 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:47:07,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:47:07,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:47:07,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:47:07,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:47:07,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:47:07,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:47:07,619 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:47:07,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:47:07,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:47:07,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:47:07,975 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:47:07,975 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:47:07,976 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/skippedu.c [2020-07-18 00:47:08,059 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b0bc71ec/ff32ec31e6e942018de47a244d75efd5/FLAGc1719b181 [2020-07-18 00:47:08,550 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:47:08,551 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/skippedu.c [2020-07-18 00:47:08,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b0bc71ec/ff32ec31e6e942018de47a244d75efd5/FLAGc1719b181 [2020-07-18 00:47:08,908 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b0bc71ec/ff32ec31e6e942018de47a244d75efd5 [2020-07-18 00:47:08,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:47:08,923 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:47:08,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:47:08,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:47:08,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:47:08,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:47:08" (1/1) ... [2020-07-18 00:47:08,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a55ede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:08, skipping insertion in model container [2020-07-18 00:47:08,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:47:08" (1/1) ... [2020-07-18 00:47:08,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:47:08,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:47:09,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:47:09,169 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:47:09,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:47:09,210 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:47:09,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:09 WrapperNode [2020-07-18 00:47:09,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:47:09,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:47:09,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:47:09,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:47:09,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:09" (1/1) ... [2020-07-18 00:47:09,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:09" (1/1) ... [2020-07-18 00:47:09,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:09" (1/1) ... [2020-07-18 00:47:09,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:09" (1/1) ... [2020-07-18 00:47:09,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:09" (1/1) ... [2020-07-18 00:47:09,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:09" (1/1) ... [2020-07-18 00:47:09,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:09" (1/1) ... [2020-07-18 00:47:09,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:47:09,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:47:09,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:47:09,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:47:09,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:09" (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 00:47:09,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:47:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:47:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-18 00:47:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-18 00:47:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:47:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:47:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 00:47:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-18 00:47:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-18 00:47:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 00:47:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-18 00:47:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:47:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-18 00:47:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:47:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:47:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:47:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:47:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:47:10,014 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:47:10,015 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-07-18 00:47:10,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:47:10 BoogieIcfgContainer [2020-07-18 00:47:10,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:47:10,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:47:10,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:47:10,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:47:10,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:47:08" (1/3) ... [2020-07-18 00:47:10,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea613f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:47:10, skipping insertion in model container [2020-07-18 00:47:10,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:09" (2/3) ... [2020-07-18 00:47:10,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea613f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:47:10, skipping insertion in model container [2020-07-18 00:47:10,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:47:10" (3/3) ... [2020-07-18 00:47:10,035 INFO L109 eAbstractionObserver]: Analyzing ICFG skippedu.c [2020-07-18 00:47:10,054 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:47:10,070 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:47:10,110 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:47:10,159 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:47:10,160 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:47:10,160 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:47:10,161 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:47:10,161 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:47:10,161 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:47:10,162 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:47:10,162 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:47:10,187 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-07-18 00:47:10,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-18 00:47:10,217 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:47:10,218 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, 1, 1, 1, 1] [2020-07-18 00:47:10,218 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:47:10,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:47:10,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1270765896, now seen corresponding path program 1 times [2020-07-18 00:47:10,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:47:10,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1465219848] [2020-07-18 00:47:10,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:47:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:47:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:47:10,486 INFO L280 TraceCheckUtils]: 0: Hoare triple {82#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~SIZE~0 |old(~SIZE~0)|))} #NULL.base, #NULL.offset := 0, 0; {69#true} is VALID [2020-07-18 00:47:10,486 INFO L280 TraceCheckUtils]: 1: Hoare triple {69#true} #valid := #valid[0 := 0]; {69#true} is VALID [2020-07-18 00:47:10,487 INFO L280 TraceCheckUtils]: 2: Hoare triple {69#true} assume 0 < #StackHeapBarrier; {69#true} is VALID [2020-07-18 00:47:10,487 INFO L280 TraceCheckUtils]: 3: Hoare triple {69#true} ~SIZE~0 := 0; {69#true} is VALID [2020-07-18 00:47:10,488 INFO L280 TraceCheckUtils]: 4: Hoare triple {69#true} ~MAX~0 := 100000; {69#true} is VALID [2020-07-18 00:47:10,488 INFO L280 TraceCheckUtils]: 5: Hoare triple {69#true} assume true; {69#true} is VALID [2020-07-18 00:47:10,489 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {69#true} {69#true} #127#return; {69#true} is VALID [2020-07-18 00:47:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:47:10,505 INFO L280 TraceCheckUtils]: 0: Hoare triple {69#true} ~cond := #in~cond; {69#true} is VALID [2020-07-18 00:47:10,506 INFO L280 TraceCheckUtils]: 1: Hoare triple {69#true} assume !(0 == ~cond); {69#true} is VALID [2020-07-18 00:47:10,506 INFO L280 TraceCheckUtils]: 2: Hoare triple {69#true} assume true; {69#true} is VALID [2020-07-18 00:47:10,506 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {69#true} {70#false} #123#return; {70#false} is VALID [2020-07-18 00:47:10,509 INFO L263 TraceCheckUtils]: 0: Hoare triple {69#true} call ULTIMATE.init(); {82#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~SIZE~0 |old(~SIZE~0)|))} is VALID [2020-07-18 00:47:10,509 INFO L280 TraceCheckUtils]: 1: Hoare triple {82#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~SIZE~0 |old(~SIZE~0)|))} #NULL.base, #NULL.offset := 0, 0; {69#true} is VALID [2020-07-18 00:47:10,510 INFO L280 TraceCheckUtils]: 2: Hoare triple {69#true} #valid := #valid[0 := 0]; {69#true} is VALID [2020-07-18 00:47:10,510 INFO L280 TraceCheckUtils]: 3: Hoare triple {69#true} assume 0 < #StackHeapBarrier; {69#true} is VALID [2020-07-18 00:47:10,511 INFO L280 TraceCheckUtils]: 4: Hoare triple {69#true} ~SIZE~0 := 0; {69#true} is VALID [2020-07-18 00:47:10,511 INFO L280 TraceCheckUtils]: 5: Hoare triple {69#true} ~MAX~0 := 100000; {69#true} is VALID [2020-07-18 00:47:10,512 INFO L280 TraceCheckUtils]: 6: Hoare triple {69#true} assume true; {69#true} is VALID [2020-07-18 00:47:10,512 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {69#true} {69#true} #127#return; {69#true} is VALID [2020-07-18 00:47:10,512 INFO L263 TraceCheckUtils]: 8: Hoare triple {69#true} call #t~ret9 := main(); {69#true} is VALID [2020-07-18 00:47:10,513 INFO L280 TraceCheckUtils]: 9: Hoare triple {69#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {69#true} is VALID [2020-07-18 00:47:10,513 INFO L280 TraceCheckUtils]: 10: Hoare triple {69#true} ~SIZE~0 := #t~nondet0; {69#true} is VALID [2020-07-18 00:47:10,514 INFO L280 TraceCheckUtils]: 11: Hoare triple {69#true} havoc #t~nondet0; {69#true} is VALID [2020-07-18 00:47:10,514 INFO L280 TraceCheckUtils]: 12: Hoare triple {69#true} assume ~SIZE~0 > 1 && ~SIZE~0 < ~MAX~0; {69#true} is VALID [2020-07-18 00:47:10,515 INFO L280 TraceCheckUtils]: 13: Hoare triple {69#true} havoc ~i~0; {69#true} is VALID [2020-07-18 00:47:10,515 INFO L280 TraceCheckUtils]: 14: Hoare triple {69#true} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(4 * ~SIZE~0); srcloc: L20 {69#true} is VALID [2020-07-18 00:47:10,515 INFO L280 TraceCheckUtils]: 15: Hoare triple {69#true} ~a~0.base, ~a~0.offset := #t~malloc1.base, #t~malloc1.offset; {69#true} is VALID [2020-07-18 00:47:10,516 INFO L280 TraceCheckUtils]: 16: Hoare triple {69#true} ~i~0 := 0; {69#true} is VALID [2020-07-18 00:47:10,517 INFO L280 TraceCheckUtils]: 17: Hoare triple {69#true} assume !true; {70#false} is VALID [2020-07-18 00:47:10,518 INFO L280 TraceCheckUtils]: 18: Hoare triple {70#false} assume !(0 != (if ~SIZE~0 < 0 && 0 != ~SIZE~0 % 2 then ~SIZE~0 % 2 - 2 else ~SIZE~0 % 2)); {70#false} is VALID [2020-07-18 00:47:10,518 INFO L263 TraceCheckUtils]: 19: Hoare triple {70#false} call assume_abort_if_not((if 0 == (if ~SIZE~0 < 0 && 0 != ~SIZE~0 % 2 then ~SIZE~0 % 2 - 2 else ~SIZE~0 % 2) then 1 else 0)); {69#true} is VALID [2020-07-18 00:47:10,518 INFO L280 TraceCheckUtils]: 20: Hoare triple {69#true} ~cond := #in~cond; {69#true} is VALID [2020-07-18 00:47:10,519 INFO L280 TraceCheckUtils]: 21: Hoare triple {69#true} assume !(0 == ~cond); {69#true} is VALID [2020-07-18 00:47:10,519 INFO L280 TraceCheckUtils]: 22: Hoare triple {69#true} assume true; {69#true} is VALID [2020-07-18 00:47:10,520 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {69#true} {70#false} #123#return; {70#false} is VALID [2020-07-18 00:47:10,520 INFO L280 TraceCheckUtils]: 24: Hoare triple {70#false} ~i~0 := 1; {70#false} is VALID [2020-07-18 00:47:10,521 INFO L280 TraceCheckUtils]: 25: Hoare triple {70#false} assume !(~i~0 <= (if ~SIZE~0 < 0 && 0 != ~SIZE~0 % 2 then 1 + ~SIZE~0 / 2 else ~SIZE~0 / 2)); {70#false} is VALID [2020-07-18 00:47:10,521 INFO L280 TraceCheckUtils]: 26: Hoare triple {70#false} ~i~0 := 0; {70#false} is VALID [2020-07-18 00:47:10,521 INFO L280 TraceCheckUtils]: 27: Hoare triple {70#false} assume !!(~i~0 < ~SIZE~0); {70#false} is VALID [2020-07-18 00:47:10,522 INFO L280 TraceCheckUtils]: 28: Hoare triple {70#false} SUMMARY for call #t~mem8 := read~int(~a~0.base, ~a~0.offset + 4 * ~i~0, 4); srcloc: L44 {70#false} is VALID [2020-07-18 00:47:10,522 INFO L263 TraceCheckUtils]: 29: Hoare triple {70#false} call __VERIFIER_assert((if #t~mem8 <= ~i~0 then 1 else 0)); {70#false} is VALID [2020-07-18 00:47:10,523 INFO L280 TraceCheckUtils]: 30: Hoare triple {70#false} ~cond := #in~cond; {70#false} is VALID [2020-07-18 00:47:10,523 INFO L280 TraceCheckUtils]: 31: Hoare triple {70#false} assume 0 == ~cond; {70#false} is VALID [2020-07-18 00:47:10,523 INFO L280 TraceCheckUtils]: 32: Hoare triple {70#false} assume !false; {70#false} is VALID [2020-07-18 00:47:10,529 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 00:47:10,774 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:47:10,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1465219848] [2020-07-18 00:47:10,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:47:10,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-18 00:47:10,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84097805] [2020-07-18 00:47:10,787 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 33 [2020-07-18 00:47:10,790 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:47:10,794 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-18 00:47:10,858 WARN L140 InductivityCheck]: Transition 87#(and (< main_~i~0 ~SIZE~0) (= |main_#t~mem8| (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset))) (= 0 main_~i~0) (< (ite (and (not (= 0 (mod ~SIZE~0 2))) (< ~SIZE~0 0)) (+ (div ~SIZE~0 2) 1) (div ~SIZE~0 2)) 1)) ( _ , call __VERIFIER_assert((if #t~mem8 <= ~i~0 then 1 else 0)); , 88#(and (< 0 ~SIZE~0) (= (ite (<= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 0) 1 0) |__VERIFIER_assert_#in~cond|) (< (ite (and (not (= 0 (mod ~SIZE~0 2))) (< ~SIZE~0 0)) (+ (div ~SIZE~0 2) 1) (div ~SIZE~0 2)) 1)) ) not inductive [2020-07-18 00:47:10,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:47:10,859 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:108) 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-18 00:47:10,865 INFO L168 Benchmark]: Toolchain (without parser) took 1942.93 ms. Allocated memory was 146.3 MB in the beginning and 234.4 MB in the end (delta: 88.1 MB). Free memory was 104.5 MB in the beginning and 200.1 MB in the end (delta: -95.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-18 00:47:10,866 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 146.3 MB. Free memory was 122.8 MB in the beginning and 122.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 00:47:10,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.54 ms. Allocated memory is still 146.3 MB. Free memory was 104.1 MB in the beginning and 92.7 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:47:10,868 INFO L168 Benchmark]: Boogie Preprocessor took 140.63 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 92.7 MB in the beginning and 181.1 MB in the end (delta: -88.3 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-07-18 00:47:10,869 INFO L168 Benchmark]: RCFGBuilder took 666.73 ms. Allocated memory is still 203.4 MB. Free memory was 181.1 MB in the beginning and 149.4 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2020-07-18 00:47:10,870 INFO L168 Benchmark]: TraceAbstraction took 840.88 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 148.8 MB in the beginning and 200.1 MB in the end (delta: -51.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-18 00:47:10,874 INFO L336 ainManager$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 0.91 ms. Allocated memory is still 146.3 MB. Free memory was 122.8 MB in the beginning and 122.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 287.54 ms. Allocated memory is still 146.3 MB. Free memory was 104.1 MB in the beginning and 92.7 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.63 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 92.7 MB in the beginning and 181.1 MB in the end (delta: -88.3 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 666.73 ms. Allocated memory is still 203.4 MB. Free memory was 181.1 MB in the beginning and 149.4 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 840.88 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 148.8 MB in the beginning and 200.1 MB in the end (delta: -51.3 MB). There was no memory consumed. 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...