/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/1_3.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 16:22:46,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 16:22:46,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 16:22:46,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 16:22:46,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 16:22:46,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 16:22:46,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 16:22:46,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 16:22:46,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 16:22:46,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 16:22:46,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 16:22:46,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 16:22:46,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 16:22:46,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 16:22:46,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 16:22:46,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 16:22:46,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 16:22:46,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 16:22:46,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 16:22:46,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 16:22:46,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 16:22:46,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 16:22:46,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 16:22:46,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 16:22:46,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 16:22:46,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 16:22:46,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 16:22:46,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 16:22:46,557 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 16:22:46,587 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 16:22:46,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 16:22:46,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 16:22:46,592 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 16:22:46,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 16:22:46,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 16:22:46,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 16:22:46,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 16:22:46,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 16:22:46,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 16:22:46,594 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 16:22:46,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 16:22:46,594 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 16:22:46,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 16:22:46,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 16:22:46,596 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 16:22:46,596 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 16:22:46,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 16:22:46,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 16:22:46,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 16:22:46,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 16:22:46,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 16:22:46,598 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-08 16:22:46,904 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 16:22:46,915 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 16:22:46,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 16:22:46,920 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 16:22:46,921 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 16:22:46,922 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/1_3.i [2020-07-08 16:22:46,983 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a00dd03d/7c344c5e077548ef944fddcb69016f17/FLAGefbf08ddc [2020-07-08 16:22:47,466 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 16:22:47,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/1_3.i [2020-07-08 16:22:47,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a00dd03d/7c344c5e077548ef944fddcb69016f17/FLAGefbf08ddc [2020-07-08 16:22:47,838 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a00dd03d/7c344c5e077548ef944fddcb69016f17 [2020-07-08 16:22:47,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 16:22:47,851 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 16:22:47,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 16:22:47,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 16:22:47,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 16:22:47,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 04:22:47" (1/1) ... [2020-07-08 16:22:47,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec945cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:47, skipping insertion in model container [2020-07-08 16:22:47,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 04:22:47" (1/1) ... [2020-07-08 16:22:47,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 16:22:47,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 16:22:48,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 16:22:48,090 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 16:22:48,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 16:22:48,131 INFO L208 MainTranslator]: Completed translation [2020-07-08 16:22:48,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:48 WrapperNode [2020-07-08 16:22:48,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 16:22:48,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 16:22:48,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 16:22:48,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 16:22:48,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:48" (1/1) ... [2020-07-08 16:22:48,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:48" (1/1) ... [2020-07-08 16:22:48,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:48" (1/1) ... [2020-07-08 16:22:48,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:48" (1/1) ... [2020-07-08 16:22:48,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:48" (1/1) ... [2020-07-08 16:22:48,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:48" (1/1) ... [2020-07-08 16:22:48,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:48" (1/1) ... [2020-07-08 16:22:48,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 16:22:48,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 16:22:48,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 16:22:48,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 16:22:48,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:48" (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 [2020-07-08 16:22:48,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 16:22:48,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 16:22:48,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-07-08 16:22:48,368 INFO L138 BoogieDeclarations]: Found implementation of procedure getrr [2020-07-08 16:22:48,368 INFO L138 BoogieDeclarations]: Found implementation of procedure getPtr [2020-07-08 16:22:48,368 INFO L138 BoogieDeclarations]: Found implementation of procedure freePtr [2020-07-08 16:22:48,368 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 16:22:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 16:22:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-07-08 16:22:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 16:22:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-08 16:22:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure getrr [2020-07-08 16:22:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-08 16:22:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 16:22:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure getPtr [2020-07-08 16:22:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure freePtr [2020-07-08 16:22:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 16:22:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 16:22:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 16:22:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 16:22:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 16:22:48,716 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 16:22:48,720 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 16:22:48,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 04:22:48 BoogieIcfgContainer [2020-07-08 16:22:48,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 16:22:48,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 16:22:48,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 16:22:48,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 16:22:48,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 04:22:47" (1/3) ... [2020-07-08 16:22:48,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134412ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 04:22:48, skipping insertion in model container [2020-07-08 16:22:48,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:48" (2/3) ... [2020-07-08 16:22:48,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134412ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 04:22:48, skipping insertion in model container [2020-07-08 16:22:48,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 04:22:48" (3/3) ... [2020-07-08 16:22:48,733 INFO L109 eAbstractionObserver]: Analyzing ICFG 1_3.i [2020-07-08 16:22:48,743 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 16:22:48,755 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 16:22:48,768 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 16:22:48,789 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 16:22:48,789 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 16:22:48,789 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-08 16:22:48,789 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 16:22:48,789 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 16:22:48,790 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 16:22:48,790 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 16:22:48,790 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 16:22:48,809 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-07-08 16:22:48,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-08 16:22:48,821 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:22:48,822 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] [2020-07-08 16:22:48,823 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:22:48,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:22:48,830 INFO L82 PathProgramCache]: Analyzing trace with hash 538172514, now seen corresponding path program 1 times [2020-07-08 16:22:48,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:22:48,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [777051145] [2020-07-08 16:22:48,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:22:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:49,290 INFO L280 TraceCheckUtils]: 0: Hoare triple {71#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {46#true} is VALID [2020-07-08 16:22:49,290 INFO L280 TraceCheckUtils]: 1: Hoare triple {46#true} #valid := #valid[0 := 0]; {46#true} is VALID [2020-07-08 16:22:49,291 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#true} assume 0 < #StackHeapBarrier; {46#true} is VALID [2020-07-08 16:22:49,292 INFO L280 TraceCheckUtils]: 3: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-08 16:22:49,292 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {46#true} {46#true} #52#return; {46#true} is VALID [2020-07-08 16:22:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:49,443 INFO L280 TraceCheckUtils]: 0: Hoare triple {72#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(4); srcloc: getrrENTRY {46#true} is VALID [2020-07-08 16:22:49,444 INFO L280 TraceCheckUtils]: 1: Hoare triple {46#true} ~r~0.base, ~r~0.offset := #t~malloc0.base, #t~malloc0.offset; {46#true} is VALID [2020-07-08 16:22:49,445 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#true} SUMMARY for call write~int(0, ~r~0.base, ~r~0.offset, 4); srcloc: L31 {46#true} is VALID [2020-07-08 16:22:49,445 INFO L280 TraceCheckUtils]: 3: Hoare triple {46#true} #res.base, #res.offset := ~r~0.base, ~r~0.offset; {46#true} is VALID [2020-07-08 16:22:49,446 INFO L280 TraceCheckUtils]: 4: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-08 16:22:49,449 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {46#true} {72#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} #50#return; {46#true} is VALID [2020-07-08 16:22:49,451 INFO L263 TraceCheckUtils]: 0: Hoare triple {72#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} call #t~ret1.base, #t~ret1.offset := getrr(); {72#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 16:22:49,452 INFO L280 TraceCheckUtils]: 1: Hoare triple {72#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(4); srcloc: getrrENTRY {46#true} is VALID [2020-07-08 16:22:49,452 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#true} ~r~0.base, ~r~0.offset := #t~malloc0.base, #t~malloc0.offset; {46#true} is VALID [2020-07-08 16:22:49,453 INFO L280 TraceCheckUtils]: 3: Hoare triple {46#true} SUMMARY for call write~int(0, ~r~0.base, ~r~0.offset, 4); srcloc: L31 {46#true} is VALID [2020-07-08 16:22:49,454 INFO L280 TraceCheckUtils]: 4: Hoare triple {46#true} #res.base, #res.offset := ~r~0.base, ~r~0.offset; {46#true} is VALID [2020-07-08 16:22:49,454 INFO L280 TraceCheckUtils]: 5: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-08 16:22:49,455 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {46#true} {72#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} #50#return; {46#true} is VALID [2020-07-08 16:22:49,455 INFO L280 TraceCheckUtils]: 7: Hoare triple {46#true} ~r~1.base, ~r~1.offset := #t~ret1.base, #t~ret1.offset; {46#true} is VALID [2020-07-08 16:22:49,456 INFO L280 TraceCheckUtils]: 8: Hoare triple {46#true} havoc #t~ret1.base, #t~ret1.offset; {46#true} is VALID [2020-07-08 16:22:49,457 INFO L280 TraceCheckUtils]: 9: Hoare triple {46#true} SUMMARY for call write~int(1, ~r~1.base, ~r~1.offset, 4); srcloc: L38 {79#(= 1 (select (select |#memory_int| getPtr_~r~1.base) getPtr_~r~1.offset))} is VALID [2020-07-08 16:22:49,461 INFO L280 TraceCheckUtils]: 10: Hoare triple {79#(= 1 (select (select |#memory_int| getPtr_~r~1.base) getPtr_~r~1.offset))} #res.base, #res.offset := ~r~1.base, ~r~1.offset; {80#(= 1 (select (select |#memory_int| |getPtr_#res.base|) |getPtr_#res.offset|))} is VALID [2020-07-08 16:22:49,462 INFO L280 TraceCheckUtils]: 11: Hoare triple {80#(= 1 (select (select |#memory_int| |getPtr_#res.base|) |getPtr_#res.offset|))} assume true; {80#(= 1 (select (select |#memory_int| |getPtr_#res.base|) |getPtr_#res.offset|))} is VALID [2020-07-08 16:22:49,466 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {80#(= 1 (select (select |#memory_int| |getPtr_#res.base|) |getPtr_#res.offset|))} {46#true} #44#return; {66#(= (select (select |#memory_int| |main_#t~ret3.base|) |main_#t~ret3.offset|) 1)} is VALID [2020-07-08 16:22:49,470 INFO L263 TraceCheckUtils]: 0: Hoare triple {46#true} call ULTIMATE.init(); {71#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 16:22:49,470 INFO L280 TraceCheckUtils]: 1: Hoare triple {71#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {46#true} is VALID [2020-07-08 16:22:49,471 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#true} #valid := #valid[0 := 0]; {46#true} is VALID [2020-07-08 16:22:49,471 INFO L280 TraceCheckUtils]: 3: Hoare triple {46#true} assume 0 < #StackHeapBarrier; {46#true} is VALID [2020-07-08 16:22:49,471 INFO L280 TraceCheckUtils]: 4: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-08 16:22:49,472 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {46#true} {46#true} #52#return; {46#true} is VALID [2020-07-08 16:22:49,472 INFO L263 TraceCheckUtils]: 6: Hoare triple {46#true} call #t~ret4 := main(); {46#true} is VALID [2020-07-08 16:22:49,473 INFO L280 TraceCheckUtils]: 7: Hoare triple {46#true} ~ptr1~0.base, ~ptr1~0.offset := 0, 0; {46#true} is VALID [2020-07-08 16:22:49,475 INFO L263 TraceCheckUtils]: 8: Hoare triple {46#true} call #t~ret3.base, #t~ret3.offset := getPtr(); {72#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 16:22:49,476 INFO L263 TraceCheckUtils]: 9: Hoare triple {72#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} call #t~ret1.base, #t~ret1.offset := getrr(); {72#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 16:22:49,477 INFO L280 TraceCheckUtils]: 10: Hoare triple {72#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(4); srcloc: getrrENTRY {46#true} is VALID [2020-07-08 16:22:49,477 INFO L280 TraceCheckUtils]: 11: Hoare triple {46#true} ~r~0.base, ~r~0.offset := #t~malloc0.base, #t~malloc0.offset; {46#true} is VALID [2020-07-08 16:22:49,477 INFO L280 TraceCheckUtils]: 12: Hoare triple {46#true} SUMMARY for call write~int(0, ~r~0.base, ~r~0.offset, 4); srcloc: L31 {46#true} is VALID [2020-07-08 16:22:49,478 INFO L280 TraceCheckUtils]: 13: Hoare triple {46#true} #res.base, #res.offset := ~r~0.base, ~r~0.offset; {46#true} is VALID [2020-07-08 16:22:49,479 INFO L280 TraceCheckUtils]: 14: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-08 16:22:49,479 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {46#true} {72#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} #50#return; {46#true} is VALID [2020-07-08 16:22:49,479 INFO L280 TraceCheckUtils]: 16: Hoare triple {46#true} ~r~1.base, ~r~1.offset := #t~ret1.base, #t~ret1.offset; {46#true} is VALID [2020-07-08 16:22:49,480 INFO L280 TraceCheckUtils]: 17: Hoare triple {46#true} havoc #t~ret1.base, #t~ret1.offset; {46#true} is VALID [2020-07-08 16:22:49,481 INFO L280 TraceCheckUtils]: 18: Hoare triple {46#true} SUMMARY for call write~int(1, ~r~1.base, ~r~1.offset, 4); srcloc: L38 {79#(= 1 (select (select |#memory_int| getPtr_~r~1.base) getPtr_~r~1.offset))} is VALID [2020-07-08 16:22:49,483 INFO L280 TraceCheckUtils]: 19: Hoare triple {79#(= 1 (select (select |#memory_int| getPtr_~r~1.base) getPtr_~r~1.offset))} #res.base, #res.offset := ~r~1.base, ~r~1.offset; {80#(= 1 (select (select |#memory_int| |getPtr_#res.base|) |getPtr_#res.offset|))} is VALID [2020-07-08 16:22:49,484 INFO L280 TraceCheckUtils]: 20: Hoare triple {80#(= 1 (select (select |#memory_int| |getPtr_#res.base|) |getPtr_#res.offset|))} assume true; {80#(= 1 (select (select |#memory_int| |getPtr_#res.base|) |getPtr_#res.offset|))} is VALID [2020-07-08 16:22:49,490 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {80#(= 1 (select (select |#memory_int| |getPtr_#res.base|) |getPtr_#res.offset|))} {46#true} #44#return; {66#(= (select (select |#memory_int| |main_#t~ret3.base|) |main_#t~ret3.offset|) 1)} is VALID [2020-07-08 16:22:49,493 INFO L280 TraceCheckUtils]: 22: Hoare triple {66#(= (select (select |#memory_int| |main_#t~ret3.base|) |main_#t~ret3.offset|) 1)} ~ptr1~0.base, ~ptr1~0.offset := #t~ret3.base, #t~ret3.offset; {67#(= 1 (select (select |#memory_int| main_~ptr1~0.base) main_~ptr1~0.offset))} is VALID [2020-07-08 16:22:49,494 INFO L280 TraceCheckUtils]: 23: Hoare triple {67#(= 1 (select (select |#memory_int| main_~ptr1~0.base) main_~ptr1~0.offset))} havoc #t~ret3.base, #t~ret3.offset; {67#(= 1 (select (select |#memory_int| main_~ptr1~0.base) main_~ptr1~0.offset))} is VALID [2020-07-08 16:22:49,497 INFO L263 TraceCheckUtils]: 24: Hoare triple {67#(= 1 (select (select |#memory_int| main_~ptr1~0.base) main_~ptr1~0.offset))} call freePtr(~ptr1~0.base, ~ptr1~0.offset); {68#(= 1 (select (select |#memory_int| |freePtr_#in~ptr.base|) |freePtr_#in~ptr.offset|))} is VALID [2020-07-08 16:22:49,499 INFO L280 TraceCheckUtils]: 25: Hoare triple {68#(= 1 (select (select |#memory_int| |freePtr_#in~ptr.base|) |freePtr_#in~ptr.offset|))} ~ptr.base, ~ptr.offset := #in~ptr.base, #in~ptr.offset; {69#(= 1 (select (select |#memory_int| freePtr_~ptr.base) freePtr_~ptr.offset))} is VALID [2020-07-08 16:22:49,504 INFO L280 TraceCheckUtils]: 26: Hoare triple {69#(= 1 (select (select |#memory_int| freePtr_~ptr.base) freePtr_~ptr.offset))} SUMMARY for call #t~mem2 := read~int(~ptr.base, ~ptr.offset, 4); srcloc: L44 {70#(= 1 |freePtr_#t~mem2|)} is VALID [2020-07-08 16:22:49,505 INFO L280 TraceCheckUtils]: 27: Hoare triple {70#(= 1 |freePtr_#t~mem2|)} assume !(1 == #t~mem2); {47#false} is VALID [2020-07-08 16:22:49,506 INFO L263 TraceCheckUtils]: 28: Hoare triple {47#false} call __blast_assert(); {47#false} is VALID [2020-07-08 16:22:49,506 INFO L280 TraceCheckUtils]: 29: Hoare triple {47#false} assume !false; {47#false} is VALID [2020-07-08 16:22:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:22:49,517 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:22:49,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [777051145] [2020-07-08 16:22:49,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:22:49,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-08 16:22:49,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133785438] [2020-07-08 16:22:49,533 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2020-07-08 16:22:49,541 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:22:49,545 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-08 16:22:49,613 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:22:49,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-08 16:22:49,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:22:49,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-08 16:22:49,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-07-08 16:22:49,629 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 11 states. [2020-07-08 16:22:50,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:22:50,843 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2020-07-08 16:22:50,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-08 16:22:50,843 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2020-07-08 16:22:50,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:22:50,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-08 16:22:50,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 69 transitions. [2020-07-08 16:22:50,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-08 16:22:50,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 69 transitions. [2020-07-08 16:22:50,863 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 69 transitions. [2020-07-08 16:22:50,970 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:22:50,985 INFO L225 Difference]: With dead ends: 64 [2020-07-08 16:22:50,985 INFO L226 Difference]: Without dead ends: 39 [2020-07-08 16:22:50,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2020-07-08 16:22:51,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-07-08 16:22:51,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-07-08 16:22:51,089 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:22:51,090 INFO L82 GeneralOperation]: Start isEquivalent. First operand 39 states. Second operand 39 states. [2020-07-08 16:22:51,090 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 39 states. [2020-07-08 16:22:51,091 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 39 states. [2020-07-08 16:22:51,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:22:51,097 INFO L93 Difference]: Finished difference Result 39 states and 38 transitions. [2020-07-08 16:22:51,097 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 38 transitions. [2020-07-08 16:22:51,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:22:51,098 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:22:51,098 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 39 states. [2020-07-08 16:22:51,098 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 39 states. [2020-07-08 16:22:51,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:22:51,103 INFO L93 Difference]: Finished difference Result 39 states and 38 transitions. [2020-07-08 16:22:51,103 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 38 transitions. [2020-07-08 16:22:51,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:22:51,104 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:22:51,104 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:22:51,105 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:22:51,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-07-08 16:22:51,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 38 transitions. [2020-07-08 16:22:51,110 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 38 transitions. Word has length 30 [2020-07-08 16:22:51,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:22:51,110 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 38 transitions. [2020-07-08 16:22:51,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-08 16:22:51,111 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 39 states and 38 transitions. [2020-07-08 16:22:51,170 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:22:51,170 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 38 transitions. [2020-07-08 16:22:51,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-08 16:22:51,172 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:22:51,172 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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] [2020-07-08 16:22:51,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 16:22:51,173 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:22:51,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:22:51,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1533664090, now seen corresponding path program 1 times [2020-07-08 16:22:51,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:22:51,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [394426649] [2020-07-08 16:22:51,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:22:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 16:22:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 16:22:51,307 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:22:51,307 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-08 16:22:51,307 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 16:22:51,308 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 16:22:51,325 WARN L170 areAnnotationChecker]: getPtrENTRY has no Hoare annotation [2020-07-08 16:22:51,326 WARN L170 areAnnotationChecker]: getPtrENTRY has no Hoare annotation [2020-07-08 16:22:51,326 WARN L170 areAnnotationChecker]: freePtrENTRY has no Hoare annotation [2020-07-08 16:22:51,326 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-08 16:22:51,326 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 16:22:51,326 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 16:22:51,326 WARN L170 areAnnotationChecker]: __blast_assertENTRY has no Hoare annotation [2020-07-08 16:22:51,326 WARN L170 areAnnotationChecker]: __blast_assertENTRY has no Hoare annotation [2020-07-08 16:22:51,326 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 16:22:51,326 WARN L170 areAnnotationChecker]: getrrENTRY has no Hoare annotation [2020-07-08 16:22:51,327 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-08 16:22:51,327 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-08 16:22:51,327 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 16:22:51,327 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 16:22:51,327 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 16:22:51,327 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2020-07-08 16:22:51,327 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-08 16:22:51,327 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-08 16:22:51,327 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-08 16:22:51,328 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2020-07-08 16:22:51,328 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-08 16:22:51,328 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-08 16:22:51,328 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-08 16:22:51,328 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 16:22:51,328 WARN L170 areAnnotationChecker]: __blast_assertEXIT has no Hoare annotation [2020-07-08 16:22:51,328 WARN L170 areAnnotationChecker]: L51-1 has no Hoare annotation [2020-07-08 16:22:51,328 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-08 16:22:51,328 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-08 16:22:51,328 WARN L170 areAnnotationChecker]: L44-4 has no Hoare annotation [2020-07-08 16:22:51,329 WARN L170 areAnnotationChecker]: L44-3 has no Hoare annotation [2020-07-08 16:22:51,329 WARN L170 areAnnotationChecker]: L44-3 has no Hoare annotation [2020-07-08 16:22:51,329 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 16:22:51,329 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-08 16:22:51,329 WARN L170 areAnnotationChecker]: L31-1 has no Hoare annotation [2020-07-08 16:22:51,329 WARN L170 areAnnotationChecker]: L38-1 has no Hoare annotation [2020-07-08 16:22:51,329 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-08 16:22:51,330 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 16:22:51,330 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-08 16:22:51,330 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-08 16:22:51,330 WARN L170 areAnnotationChecker]: getrrFINAL has no Hoare annotation [2020-07-08 16:22:51,330 WARN L170 areAnnotationChecker]: getPtrFINAL has no Hoare annotation [2020-07-08 16:22:51,330 WARN L170 areAnnotationChecker]: freePtrFINAL has no Hoare annotation [2020-07-08 16:22:51,330 WARN L170 areAnnotationChecker]: L52-1 has no Hoare annotation [2020-07-08 16:22:51,331 WARN L170 areAnnotationChecker]: L52-1 has no Hoare annotation [2020-07-08 16:22:51,331 WARN L170 areAnnotationChecker]: getrrEXIT has no Hoare annotation [2020-07-08 16:22:51,331 WARN L170 areAnnotationChecker]: getPtrEXIT has no Hoare annotation [2020-07-08 16:22:51,331 WARN L170 areAnnotationChecker]: freePtrEXIT has no Hoare annotation [2020-07-08 16:22:51,331 WARN L170 areAnnotationChecker]: freePtrEXIT has no Hoare annotation [2020-07-08 16:22:51,331 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2020-07-08 16:22:51,331 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 16:22:51,332 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 16:22:51,332 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 16:22:51,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 04:22:51 BoogieIcfgContainer [2020-07-08 16:22:51,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 16:22:51,339 INFO L168 Benchmark]: Toolchain (without parser) took 3487.68 ms. Allocated memory was 137.9 MB in the beginning and 246.4 MB in the end (delta: 108.5 MB). Free memory was 102.4 MB in the beginning and 150.9 MB in the end (delta: -48.5 MB). Peak memory consumption was 60.1 MB. Max. memory is 7.1 GB. [2020-07-08 16:22:51,340 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-08 16:22:51,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.57 ms. Allocated memory is still 137.9 MB. Free memory was 102.2 MB in the beginning and 92.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-08 16:22:51,342 INFO L168 Benchmark]: Boogie Preprocessor took 156.79 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 92.0 MB in the beginning and 180.9 MB in the end (delta: -89.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-08 16:22:51,343 INFO L168 Benchmark]: RCFGBuilder took 434.78 ms. Allocated memory is still 203.4 MB. Free memory was 180.9 MB in the beginning and 159.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2020-07-08 16:22:51,344 INFO L168 Benchmark]: TraceAbstraction took 2609.69 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 159.4 MB in the beginning and 150.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 7.1 GB. [2020-07-08 16:22:51,349 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 0.25 ms. Allocated memory is still 137.9 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 280.57 ms. Allocated memory is still 137.9 MB. Free memory was 102.2 MB in the beginning and 92.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 156.79 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 92.0 MB in the beginning and 180.9 MB in the end (delta: -89.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 434.78 ms. Allocated memory is still 203.4 MB. Free memory was 180.9 MB in the beginning and 159.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2609.69 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 159.4 MB in the beginning and 150.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L50] rr * ptr1 = 0; [L51] CALL, EXPR getPtr() [L37] CALL, EXPR getrr() [L30] rr * r = (rr *)malloc(sizeof *r); [L31] r -> state = 0 [L32] return r; [L37] RET, EXPR getrr() [L37] rr * r = getrr(); [L38] r -> state = 1 [L39] return r; [L51] RET, EXPR getPtr() [L51] ptr1 = getPtr() [L52] CALL freePtr(ptr1) [L44] EXPR ptr -> state [L44] (ptr -> state == 1) ? (0) : __blast_assert () [L45] ptr -> state = 2 [L52] RET freePtr(ptr1) [L54] CALL freePtr(ptr1) [L44] EXPR ptr -> state [L44] (ptr -> state == 1) ? (0) : __blast_assert () [L44] CALL __blast_assert () [L6] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.5s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 33 SDtfs, 35 SDslu, 157 SDs, 0 SdLazy, 178 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...