/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/ldv-regression/test24-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:22:13,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:22:13,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:22:13,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:22:13,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:22:13,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:22:13,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:22:13,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:22:13,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:22:13,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:22:13,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:22:13,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:22:13,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:22:13,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:22:13,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:22:13,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:22:13,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:22:13,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:22:13,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:22:13,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:22:13,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:22:13,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:22:13,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:22:13,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:22:13,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:22:13,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:22:13,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:22:13,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:22:13,386 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 00:22:13,410 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:22:13,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:22:13,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:22:13,413 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:22:13,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:22:13,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:22:13,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:22:13,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:22:13,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:22:13,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:22:13,415 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:22:13,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:22:13,416 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:22:13,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:22:13,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:22:13,417 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:22:13,417 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:22:13,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:22:13,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:22:13,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:22:13,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:22:13,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:22:13,418 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:22:13,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:22:13,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:22:13,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:22:13,719 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:22:13,719 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:22:13,720 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test24-1.c [2020-07-18 00:22:13,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f2351ec5/42f18db481684fed852e810c49c26d9d/FLAGe3b817619 [2020-07-18 00:22:14,270 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:22:14,271 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test24-1.c [2020-07-18 00:22:14,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f2351ec5/42f18db481684fed852e810c49c26d9d/FLAGe3b817619 [2020-07-18 00:22:14,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f2351ec5/42f18db481684fed852e810c49c26d9d [2020-07-18 00:22:14,630 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:22:14,633 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:22:14,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:22:14,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:22:14,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:22:14,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:22:14" (1/1) ... [2020-07-18 00:22:14,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@162de3d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:14, skipping insertion in model container [2020-07-18 00:22:14,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:22:14" (1/1) ... [2020-07-18 00:22:14,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:22:14,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:22:14,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:22:14,855 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:22:14,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:22:14,892 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:22:14,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:14 WrapperNode [2020-07-18 00:22:14,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:22:14,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:22:14,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:22:14,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:22:14,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:14" (1/1) ... [2020-07-18 00:22:14,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:14" (1/1) ... [2020-07-18 00:22:15,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:14" (1/1) ... [2020-07-18 00:22:15,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:14" (1/1) ... [2020-07-18 00:22:15,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:14" (1/1) ... [2020-07-18 00:22:15,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:14" (1/1) ... [2020-07-18 00:22:15,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:14" (1/1) ... [2020-07-18 00:22:15,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:22:15,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:22:15,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:22:15,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:22:15,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:14" (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 00:22:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:22:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:22:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-07-18 00:22:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:22:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:22:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 00:22:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-07-18 00:22:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:22:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:22:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 00:22:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:22:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:22:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:22:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:22:15,452 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:22:15,453 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-18 00:22:15,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:22:15 BoogieIcfgContainer [2020-07-18 00:22:15,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:22:15,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:22:15,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:22:15,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:22:15,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:22:14" (1/3) ... [2020-07-18 00:22:15,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489a79c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:22:15, skipping insertion in model container [2020-07-18 00:22:15,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:14" (2/3) ... [2020-07-18 00:22:15,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489a79c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:22:15, skipping insertion in model container [2020-07-18 00:22:15,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:22:15" (3/3) ... [2020-07-18 00:22:15,466 INFO L109 eAbstractionObserver]: Analyzing ICFG test24-1.c [2020-07-18 00:22:15,476 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:22:15,484 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:22:15,499 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:22:15,521 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:22:15,521 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:22:15,521 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:22:15,522 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:22:15,522 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:22:15,522 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:22:15,522 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:22:15,522 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:22:15,539 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2020-07-18 00:22:15,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-18 00:22:15,551 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:22:15,552 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, 1] [2020-07-18 00:22:15,553 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:22:15,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:22:15,559 INFO L82 PathProgramCache]: Analyzing trace with hash 606292035, now seen corresponding path program 1 times [2020-07-18 00:22:15,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:22:15,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567984353] [2020-07-18 00:22:15,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:22:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:22:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:22:15,826 INFO L280 TraceCheckUtils]: 0: Hoare triple {69#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {55#true} is VALID [2020-07-18 00:22:15,827 INFO L280 TraceCheckUtils]: 1: Hoare triple {55#true} #valid := #valid[0 := 0]; {55#true} is VALID [2020-07-18 00:22:15,827 INFO L280 TraceCheckUtils]: 2: Hoare triple {55#true} assume 0 < #StackHeapBarrier; {55#true} is VALID [2020-07-18 00:22:15,828 INFO L280 TraceCheckUtils]: 3: Hoare triple {55#true} assume true; {55#true} is VALID [2020-07-18 00:22:15,828 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {55#true} {55#true} #69#return; {55#true} is VALID [2020-07-18 00:22:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:22:15,849 INFO L280 TraceCheckUtils]: 0: Hoare triple {55#true} ~ad1.base, ~ad1.offset := #in~ad1.base, #in~ad1.offset; {55#true} is VALID [2020-07-18 00:22:15,849 INFO L280 TraceCheckUtils]: 1: Hoare triple {55#true} ~b := #in~b; {55#true} is VALID [2020-07-18 00:22:15,850 INFO L280 TraceCheckUtils]: 2: Hoare triple {55#true} SUMMARY for call #t~mem0 := read~int(~ad1.base, ~ad1.offset + 8 * ~b, 4); srcloc: L11 {55#true} is VALID [2020-07-18 00:22:15,850 INFO L280 TraceCheckUtils]: 3: Hoare triple {55#true} #res := (if #t~mem0 == ~b then 1 else 0); {55#true} is VALID [2020-07-18 00:22:15,851 INFO L280 TraceCheckUtils]: 4: Hoare triple {55#true} havoc #t~mem0; {55#true} is VALID [2020-07-18 00:22:15,851 INFO L280 TraceCheckUtils]: 5: Hoare triple {55#true} assume true; {55#true} is VALID [2020-07-18 00:22:15,852 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {55#true} {56#false} #73#return; {56#false} is VALID [2020-07-18 00:22:15,854 INFO L263 TraceCheckUtils]: 0: Hoare triple {55#true} call ULTIMATE.init(); {69#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 00:22:15,855 INFO L280 TraceCheckUtils]: 1: Hoare triple {69#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {55#true} is VALID [2020-07-18 00:22:15,855 INFO L280 TraceCheckUtils]: 2: Hoare triple {55#true} #valid := #valid[0 := 0]; {55#true} is VALID [2020-07-18 00:22:15,856 INFO L280 TraceCheckUtils]: 3: Hoare triple {55#true} assume 0 < #StackHeapBarrier; {55#true} is VALID [2020-07-18 00:22:15,856 INFO L280 TraceCheckUtils]: 4: Hoare triple {55#true} assume true; {55#true} is VALID [2020-07-18 00:22:15,857 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {55#true} {55#true} #69#return; {55#true} is VALID [2020-07-18 00:22:15,857 INFO L263 TraceCheckUtils]: 6: Hoare triple {55#true} call #t~ret6 := main(); {55#true} is VALID [2020-07-18 00:22:15,858 INFO L280 TraceCheckUtils]: 7: Hoare triple {55#true} SUMMARY for call ~#ad1~0.base, ~#ad1~0.offset := #Ultimate.allocOnStack(80); srcloc: mainENTRY {55#true} is VALID [2020-07-18 00:22:15,858 INFO L280 TraceCheckUtils]: 8: Hoare triple {55#true} havoc ~ad2~0.base, ~ad2~0.offset; {55#true} is VALID [2020-07-18 00:22:15,859 INFO L280 TraceCheckUtils]: 9: Hoare triple {55#true} havoc ~i~0; {55#true} is VALID [2020-07-18 00:22:15,859 INFO L280 TraceCheckUtils]: 10: Hoare triple {55#true} havoc ~pa~0.base, ~pa~0.offset; {55#true} is VALID [2020-07-18 00:22:15,860 INFO L280 TraceCheckUtils]: 11: Hoare triple {55#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {55#true} is VALID [2020-07-18 00:22:15,860 INFO L280 TraceCheckUtils]: 12: Hoare triple {55#true} ~i~0 := #t~nondet1; {55#true} is VALID [2020-07-18 00:22:15,860 INFO L280 TraceCheckUtils]: 13: Hoare triple {55#true} havoc #t~nondet1; {55#true} is VALID [2020-07-18 00:22:15,861 INFO L280 TraceCheckUtils]: 14: Hoare triple {55#true} assume ~i~0 >= 0 && ~i~0 < 10; {55#true} is VALID [2020-07-18 00:22:15,861 INFO L280 TraceCheckUtils]: 15: Hoare triple {55#true} ~ad2~0.base, ~ad2~0.offset := ~#ad1~0.base, ~#ad1~0.offset; {55#true} is VALID [2020-07-18 00:22:15,862 INFO L280 TraceCheckUtils]: 16: Hoare triple {55#true} SUMMARY for call write~int(~i~0, ~#ad1~0.base, ~#ad1~0.offset + 8 * ~i~0, 4); srcloc: L23 {55#true} is VALID [2020-07-18 00:22:15,862 INFO L280 TraceCheckUtils]: 17: Hoare triple {55#true} ~pa~0.base, ~pa~0.offset := ~#ad1~0.base, ~#ad1~0.offset + 8 * ~i~0; {55#true} is VALID [2020-07-18 00:22:15,862 INFO L280 TraceCheckUtils]: 18: Hoare triple {55#true} SUMMARY for call #t~mem2 := read~int(~ad2~0.base, ~ad2~0.offset + 8 * ~i~0, 4); srcloc: L25 {55#true} is VALID [2020-07-18 00:22:15,863 INFO L280 TraceCheckUtils]: 19: Hoare triple {55#true} ~i~0 := #t~mem2 - 10; {55#true} is VALID [2020-07-18 00:22:15,863 INFO L280 TraceCheckUtils]: 20: Hoare triple {55#true} havoc #t~mem2; {55#true} is VALID [2020-07-18 00:22:15,865 INFO L280 TraceCheckUtils]: 21: Hoare triple {55#true} assume !true; {56#false} is VALID [2020-07-18 00:22:15,865 INFO L263 TraceCheckUtils]: 22: Hoare triple {56#false} call #t~ret5 := check(~#ad1~0.base, ~#ad1~0.offset, ~i~0); {55#true} is VALID [2020-07-18 00:22:15,866 INFO L280 TraceCheckUtils]: 23: Hoare triple {55#true} ~ad1.base, ~ad1.offset := #in~ad1.base, #in~ad1.offset; {55#true} is VALID [2020-07-18 00:22:15,866 INFO L280 TraceCheckUtils]: 24: Hoare triple {55#true} ~b := #in~b; {55#true} is VALID [2020-07-18 00:22:15,866 INFO L280 TraceCheckUtils]: 25: Hoare triple {55#true} SUMMARY for call #t~mem0 := read~int(~ad1.base, ~ad1.offset + 8 * ~b, 4); srcloc: L11 {55#true} is VALID [2020-07-18 00:22:15,867 INFO L280 TraceCheckUtils]: 26: Hoare triple {55#true} #res := (if #t~mem0 == ~b then 1 else 0); {55#true} is VALID [2020-07-18 00:22:15,867 INFO L280 TraceCheckUtils]: 27: Hoare triple {55#true} havoc #t~mem0; {55#true} is VALID [2020-07-18 00:22:15,867 INFO L280 TraceCheckUtils]: 28: Hoare triple {55#true} assume true; {55#true} is VALID [2020-07-18 00:22:15,868 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {55#true} {56#false} #73#return; {56#false} is VALID [2020-07-18 00:22:15,868 INFO L280 TraceCheckUtils]: 30: Hoare triple {56#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; {56#false} is VALID [2020-07-18 00:22:15,868 INFO L280 TraceCheckUtils]: 31: Hoare triple {56#false} assume 0 == #t~ret5; {56#false} is VALID [2020-07-18 00:22:15,869 INFO L280 TraceCheckUtils]: 32: Hoare triple {56#false} havoc #t~ret5; {56#false} is VALID [2020-07-18 00:22:15,869 INFO L280 TraceCheckUtils]: 33: Hoare triple {56#false} assume !false; {56#false} is VALID [2020-07-18 00:22:15,876 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 00:22:15,954 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:22:15,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1567984353] [2020-07-18 00:22:15,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:22:15,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-18 00:22:15,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573178141] [2020-07-18 00:22:15,966 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-07-18 00:22:15,970 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:22:15,974 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-18 00:22:16,031 WARN L140 InductivityCheck]: Transition 55#true ( _ , assume !false; , 56#false ) not inductive [2020-07-18 00:22:16,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:22:16,033 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-18 00:22:16,039 INFO L168 Benchmark]: Toolchain (without parser) took 1406.24 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 104.5 MB in the beginning and 121.8 MB in the end (delta: -17.3 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:16,040 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 00:22:16,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.91 ms. Allocated memory is still 139.5 MB. Free memory was 104.1 MB in the beginning and 93.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:16,042 INFO L168 Benchmark]: Boogie Preprocessor took 129.68 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 93.6 MB in the beginning and 181.5 MB in the end (delta: -87.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:16,043 INFO L168 Benchmark]: RCFGBuilder took 433.69 ms. Allocated memory is still 203.9 MB. Free memory was 181.5 MB in the beginning and 157.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:16,044 INFO L168 Benchmark]: TraceAbstraction took 577.24 ms. Allocated memory is still 203.9 MB. Free memory was 157.3 MB in the beginning and 121.8 MB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:16,048 INFO L336 ainManager$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 139.5 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 258.91 ms. Allocated memory is still 139.5 MB. Free memory was 104.1 MB in the beginning and 93.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.68 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 93.6 MB in the beginning and 181.5 MB in the end (delta: -87.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 433.69 ms. Allocated memory is still 203.9 MB. Free memory was 181.5 MB in the beginning and 157.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 577.24 ms. Allocated memory is still 203.9 MB. Free memory was 157.3 MB in the beginning and 121.8 MB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 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...