/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 0.1.25-267fbe0 [2020-07-18 00:20:09,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:20:09,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:20:09,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-18 00:20:09,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:20:09,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:20:09,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:20:09,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:20:09,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:20:09,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:20:09,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:20:09,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:20:09,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:20:09,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:20:09,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:20:09,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:20:09,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:20:09,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:20:09,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:20:09,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:20:09,615 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 00:20:09,632 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:20:09,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:20:09,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:20:09,635 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:20:09,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:20:09,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:20:09,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:20:09,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:20:09,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:20:09,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:20:09,637 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:20:09,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:20:09,637 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:20:09,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:20:09,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:20:09,638 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:20:09,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:20:09,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:20:09,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:20:09,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:20:09,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:20:09,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:20:09,639 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:20:09,932 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:20:09,953 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:20:09,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:20:09,957 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:20:09,958 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:20:09,958 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/1_3.i [2020-07-18 00:20:10,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cec887983/c6060d1364774d44860dbe3c4b266340/FLAGbb413d899 [2020-07-18 00:20:10,554 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:20:10,555 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/1_3.i [2020-07-18 00:20:10,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cec887983/c6060d1364774d44860dbe3c4b266340/FLAGbb413d899 [2020-07-18 00:20:10,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cec887983/c6060d1364774d44860dbe3c4b266340 [2020-07-18 00:20:10,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:20:10,932 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:20:10,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:20:10,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:20:10,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:20:10,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:20:10" (1/1) ... [2020-07-18 00:20:10,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2183e6ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:10, skipping insertion in model container [2020-07-18 00:20:10,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:20:10" (1/1) ... [2020-07-18 00:20:10,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:20:10,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:20:11,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:20:11,179 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:20:11,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:20:11,215 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:20:11,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:11 WrapperNode [2020-07-18 00:20:11,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:20:11,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:20:11,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:20:11,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:20:11,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:11" (1/1) ... [2020-07-18 00:20:11,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:11" (1/1) ... [2020-07-18 00:20:11,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:11" (1/1) ... [2020-07-18 00:20:11,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:11" (1/1) ... [2020-07-18 00:20:11,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:11" (1/1) ... [2020-07-18 00:20:11,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:11" (1/1) ... [2020-07-18 00:20:11,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:11" (1/1) ... [2020-07-18 00:20:11,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:20:11,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:20:11,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:20:11,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:20:11,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:11" (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 00:20:11,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:20:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:20:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-07-18 00:20:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure getrr [2020-07-18 00:20:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure getPtr [2020-07-18 00:20:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure freePtr [2020-07-18 00:20:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:20:11,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:20:11,427 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-07-18 00:20:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 00:20:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-18 00:20:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure getrr [2020-07-18 00:20:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-18 00:20:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:20:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure getPtr [2020-07-18 00:20:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure freePtr [2020-07-18 00:20:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:20:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:20:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:20:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:20:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:20:11,740 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:20:11,741 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 00:20:11,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:20:11 BoogieIcfgContainer [2020-07-18 00:20:11,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:20:11,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:20:11,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:20:11,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:20:11,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:20:10" (1/3) ... [2020-07-18 00:20:11,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff51c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:20:11, skipping insertion in model container [2020-07-18 00:20:11,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:11" (2/3) ... [2020-07-18 00:20:11,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff51c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:20:11, skipping insertion in model container [2020-07-18 00:20:11,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:20:11" (3/3) ... [2020-07-18 00:20:11,753 INFO L109 eAbstractionObserver]: Analyzing ICFG 1_3.i [2020-07-18 00:20:11,764 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:20:11,771 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:20:11,796 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:20:11,821 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:20:11,822 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:20:11,822 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:20:11,822 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:20:11,822 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:20:11,822 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:20:11,822 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:20:11,822 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:20:11,838 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-07-18 00:20:11,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-18 00:20:11,847 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:20:11,848 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] [2020-07-18 00:20:11,848 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:20:11,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:20:11,854 INFO L82 PathProgramCache]: Analyzing trace with hash 538172514, now seen corresponding path program 1 times [2020-07-18 00:20:11,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:20:11,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2007711749] [2020-07-18 00:20:11,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:20:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:20:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:20:12,261 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 [2020-07-18 00:20:12,262 INFO L280 TraceCheckUtils]: 1: Hoare triple {46#true} #valid := #valid[0 := 0]; {46#true} is VALID [2020-07-18 00:20:12,263 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#true} assume 0 < #StackHeapBarrier; {46#true} is VALID [2020-07-18 00:20:12,263 INFO L280 TraceCheckUtils]: 3: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-18 00:20:12,264 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {46#true} {46#true} #52#return; {46#true} is VALID [2020-07-18 00:20:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:20:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:20:12,420 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 [2020-07-18 00:20:12,420 INFO L280 TraceCheckUtils]: 1: Hoare triple {46#true} ~r~0.base, ~r~0.offset := #t~malloc0.base, #t~malloc0.offset; {46#true} is VALID [2020-07-18 00:20:12,421 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 [2020-07-18 00:20:12,421 INFO L280 TraceCheckUtils]: 3: Hoare triple {46#true} #res.base, #res.offset := ~r~0.base, ~r~0.offset; {46#true} is VALID [2020-07-18 00:20:12,422 INFO L280 TraceCheckUtils]: 4: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-18 00:20:12,424 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 [2020-07-18 00:20:12,427 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 [2020-07-18 00:20:12,427 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 [2020-07-18 00:20:12,428 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#true} ~r~0.base, ~r~0.offset := #t~malloc0.base, #t~malloc0.offset; {46#true} is VALID [2020-07-18 00:20:12,428 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 [2020-07-18 00:20:12,428 INFO L280 TraceCheckUtils]: 4: Hoare triple {46#true} #res.base, #res.offset := ~r~0.base, ~r~0.offset; {46#true} is VALID [2020-07-18 00:20:12,429 INFO L280 TraceCheckUtils]: 5: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-18 00:20:12,430 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 [2020-07-18 00:20:12,430 INFO L280 TraceCheckUtils]: 7: Hoare triple {46#true} ~r~1.base, ~r~1.offset := #t~ret1.base, #t~ret1.offset; {46#true} is VALID [2020-07-18 00:20:12,431 INFO L280 TraceCheckUtils]: 8: Hoare triple {46#true} havoc #t~ret1.base, #t~ret1.offset; {46#true} is VALID [2020-07-18 00:20:12,432 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 [2020-07-18 00:20:12,435 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 [2020-07-18 00:20:12,437 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 [2020-07-18 00:20:12,439 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 [2020-07-18 00:20:12,443 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 [2020-07-18 00:20:12,444 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 [2020-07-18 00:20:12,444 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#true} #valid := #valid[0 := 0]; {46#true} is VALID [2020-07-18 00:20:12,444 INFO L280 TraceCheckUtils]: 3: Hoare triple {46#true} assume 0 < #StackHeapBarrier; {46#true} is VALID [2020-07-18 00:20:12,445 INFO L280 TraceCheckUtils]: 4: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-18 00:20:12,445 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {46#true} {46#true} #52#return; {46#true} is VALID [2020-07-18 00:20:12,446 INFO L263 TraceCheckUtils]: 6: Hoare triple {46#true} call #t~ret4 := main(); {46#true} is VALID [2020-07-18 00:20:12,446 INFO L280 TraceCheckUtils]: 7: Hoare triple {46#true} ~ptr1~0.base, ~ptr1~0.offset := 0, 0; {46#true} is VALID [2020-07-18 00:20:12,451 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 [2020-07-18 00:20:12,453 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 [2020-07-18 00:20:12,454 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 [2020-07-18 00:20:12,455 INFO L280 TraceCheckUtils]: 11: Hoare triple {46#true} ~r~0.base, ~r~0.offset := #t~malloc0.base, #t~malloc0.offset; {46#true} is VALID [2020-07-18 00:20:12,455 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 [2020-07-18 00:20:12,455 INFO L280 TraceCheckUtils]: 13: Hoare triple {46#true} #res.base, #res.offset := ~r~0.base, ~r~0.offset; {46#true} is VALID [2020-07-18 00:20:12,456 INFO L280 TraceCheckUtils]: 14: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-18 00:20:12,456 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 [2020-07-18 00:20:12,457 INFO L280 TraceCheckUtils]: 16: Hoare triple {46#true} ~r~1.base, ~r~1.offset := #t~ret1.base, #t~ret1.offset; {46#true} is VALID [2020-07-18 00:20:12,457 INFO L280 TraceCheckUtils]: 17: Hoare triple {46#true} havoc #t~ret1.base, #t~ret1.offset; {46#true} is VALID [2020-07-18 00:20:12,458 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 [2020-07-18 00:20:12,459 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 [2020-07-18 00:20:12,461 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 [2020-07-18 00:20:12,467 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 [2020-07-18 00:20:12,470 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 [2020-07-18 00:20:12,471 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 [2020-07-18 00:20:12,474 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 [2020-07-18 00:20:12,476 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 [2020-07-18 00:20:12,481 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 [2020-07-18 00:20:12,482 INFO L280 TraceCheckUtils]: 27: Hoare triple {70#(= 1 |freePtr_#t~mem2|)} assume !(1 == #t~mem2); {47#false} is VALID [2020-07-18 00:20:12,482 INFO L263 TraceCheckUtils]: 28: Hoare triple {47#false} call __blast_assert(); {47#false} is VALID [2020-07-18 00:20:12,483 INFO L280 TraceCheckUtils]: 29: Hoare triple {47#false} assume !false; {47#false} is VALID [2020-07-18 00:20:12,493 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 00:20:12,498 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:20:12,500 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2007711749] [2020-07-18 00:20:12,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:20:12,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-18 00:20:12,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225116542] [2020-07-18 00:20:12,514 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2020-07-18 00:20:12,518 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:20:12,522 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-18 00:20:12,599 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:20:12,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-18 00:20:12,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:20:12,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-18 00:20:12,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-07-18 00:20:12,616 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 11 states. [2020-07-18 00:20:13,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:20:13,756 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2020-07-18 00:20:13,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-18 00:20:13,756 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2020-07-18 00:20:13,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:20:13,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-18 00:20:13,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 69 transitions. [2020-07-18 00:20:13,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-18 00:20:13,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 69 transitions. [2020-07-18 00:20:13,777 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 69 transitions. [2020-07-18 00:20:13,885 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:20:13,899 INFO L225 Difference]: With dead ends: 64 [2020-07-18 00:20:13,899 INFO L226 Difference]: Without dead ends: 39 [2020-07-18 00:20:13,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2020-07-18 00:20:13,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-07-18 00:20:14,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-07-18 00:20:14,007 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:20:14,008 INFO L82 GeneralOperation]: Start isEquivalent. First operand 39 states. Second operand 39 states. [2020-07-18 00:20:14,009 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 39 states. [2020-07-18 00:20:14,009 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 39 states. [2020-07-18 00:20:14,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:20:14,015 INFO L93 Difference]: Finished difference Result 39 states and 38 transitions. [2020-07-18 00:20:14,015 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 38 transitions. [2020-07-18 00:20:14,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:20:14,016 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:20:14,017 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 39 states. [2020-07-18 00:20:14,017 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 39 states. [2020-07-18 00:20:14,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:20:14,021 INFO L93 Difference]: Finished difference Result 39 states and 38 transitions. [2020-07-18 00:20:14,022 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 38 transitions. [2020-07-18 00:20:14,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:20:14,022 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:20:14,023 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:20:14,023 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:20:14,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-07-18 00:20:14,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 38 transitions. [2020-07-18 00:20:14,028 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 38 transitions. Word has length 30 [2020-07-18 00:20:14,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:20:14,029 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 38 transitions. [2020-07-18 00:20:14,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-18 00:20:14,029 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 39 states and 38 transitions. [2020-07-18 00:20:14,079 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:20:14,080 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 38 transitions. [2020-07-18 00:20:14,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-18 00:20:14,082 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:20:14,083 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] [2020-07-18 00:20:14,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:20:14,084 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:20:14,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:20:14,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1533664090, now seen corresponding path program 1 times [2020-07-18 00:20:14,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:20:14,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2082575681] [2020-07-18 00:20:14,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:20:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:20:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:20:14,161 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:20:14,161 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 00:20:14,161 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 00:20:14,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 00:20:14,179 WARN L170 areAnnotationChecker]: getPtrENTRY has no Hoare annotation [2020-07-18 00:20:14,180 WARN L170 areAnnotationChecker]: getPtrENTRY has no Hoare annotation [2020-07-18 00:20:14,180 WARN L170 areAnnotationChecker]: freePtrENTRY has no Hoare annotation [2020-07-18 00:20:14,180 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-18 00:20:14,180 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 00:20:14,180 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 00:20:14,180 WARN L170 areAnnotationChecker]: __blast_assertENTRY has no Hoare annotation [2020-07-18 00:20:14,181 WARN L170 areAnnotationChecker]: __blast_assertENTRY has no Hoare annotation [2020-07-18 00:20:14,181 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 00:20:14,181 WARN L170 areAnnotationChecker]: getrrENTRY has no Hoare annotation [2020-07-18 00:20:14,181 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-18 00:20:14,181 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-18 00:20:14,181 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:20:14,182 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:20:14,182 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:20:14,182 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2020-07-18 00:20:14,182 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-18 00:20:14,182 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-18 00:20:14,182 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-18 00:20:14,182 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2020-07-18 00:20:14,182 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-18 00:20:14,183 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-18 00:20:14,183 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-18 00:20:14,183 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 00:20:14,183 WARN L170 areAnnotationChecker]: __blast_assertEXIT has no Hoare annotation [2020-07-18 00:20:14,183 WARN L170 areAnnotationChecker]: L51-1 has no Hoare annotation [2020-07-18 00:20:14,183 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-18 00:20:14,183 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-18 00:20:14,184 WARN L170 areAnnotationChecker]: L44-4 has no Hoare annotation [2020-07-18 00:20:14,184 WARN L170 areAnnotationChecker]: L44-3 has no Hoare annotation [2020-07-18 00:20:14,184 WARN L170 areAnnotationChecker]: L44-3 has no Hoare annotation [2020-07-18 00:20:14,184 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 00:20:14,184 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-18 00:20:14,184 WARN L170 areAnnotationChecker]: L31-1 has no Hoare annotation [2020-07-18 00:20:14,184 WARN L170 areAnnotationChecker]: L38-1 has no Hoare annotation [2020-07-18 00:20:14,185 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-18 00:20:14,185 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 00:20:14,185 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-18 00:20:14,185 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-18 00:20:14,185 WARN L170 areAnnotationChecker]: getrrFINAL has no Hoare annotation [2020-07-18 00:20:14,185 WARN L170 areAnnotationChecker]: getPtrFINAL has no Hoare annotation [2020-07-18 00:20:14,185 WARN L170 areAnnotationChecker]: freePtrFINAL has no Hoare annotation [2020-07-18 00:20:14,186 WARN L170 areAnnotationChecker]: L52-1 has no Hoare annotation [2020-07-18 00:20:14,186 WARN L170 areAnnotationChecker]: L52-1 has no Hoare annotation [2020-07-18 00:20:14,186 WARN L170 areAnnotationChecker]: getrrEXIT has no Hoare annotation [2020-07-18 00:20:14,186 WARN L170 areAnnotationChecker]: getPtrEXIT has no Hoare annotation [2020-07-18 00:20:14,186 WARN L170 areAnnotationChecker]: freePtrEXIT has no Hoare annotation [2020-07-18 00:20:14,186 WARN L170 areAnnotationChecker]: freePtrEXIT has no Hoare annotation [2020-07-18 00:20:14,186 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2020-07-18 00:20:14,186 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 00:20:14,187 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 00:20:14,187 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. [2020-07-18 00:20:14,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 12:20:14 BoogieIcfgContainer [2020-07-18 00:20:14,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 00:20:14,194 INFO L168 Benchmark]: Toolchain (without parser) took 3261.88 ms. Allocated memory was 137.9 MB in the beginning and 248.5 MB in the end (delta: 110.6 MB). Free memory was 101.3 MB in the beginning and 156.6 MB in the end (delta: -55.3 MB). Peak memory consumption was 55.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:20:14,195 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory is still 119.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-18 00:20:14,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.78 ms. Allocated memory is still 137.9 MB. Free memory was 100.9 MB in the beginning and 90.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:20:14,197 INFO L168 Benchmark]: Boogie Preprocessor took 147.12 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 90.6 MB in the beginning and 179.4 MB in the end (delta: -88.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:20:14,197 INFO L168 Benchmark]: RCFGBuilder took 380.26 ms. Allocated memory is still 201.9 MB. Free memory was 179.4 MB in the beginning and 157.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2020-07-18 00:20:14,198 INFO L168 Benchmark]: TraceAbstraction took 2444.86 ms. Allocated memory was 201.9 MB in the beginning and 248.5 MB in the end (delta: 46.7 MB). Free memory was 157.9 MB in the beginning and 156.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 47.9 MB. Max. memory is 7.1 GB. [2020-07-18 00:20:14,202 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 137.9 MB. Free memory is still 119.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 282.78 ms. Allocated memory is still 137.9 MB. Free memory was 100.9 MB in the beginning and 90.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 147.12 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 90.6 MB in the beginning and 179.4 MB in the end (delta: -88.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 380.26 ms. Allocated memory is still 201.9 MB. Free memory was 179.4 MB in the beginning and 157.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2444.86 ms. Allocated memory was 201.9 MB in the beginning and 248.5 MB in the end (delta: 46.7 MB). Free memory was 157.9 MB in the beginning and 156.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 47.9 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: 2.3s, 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, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s 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...