/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 0.1.25-8fc6572 [2020-07-10 19:00:13,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 19:00:13,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 19:00:13,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 19:00:13,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 19:00:13,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 19:00:13,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 19:00:13,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 19:00:13,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 19:00:13,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 19:00:13,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 19:00:13,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 19:00:13,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 19:00:13,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 19:00:13,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 19:00:13,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 19:00:13,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 19:00:13,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 19:00:13,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 19:00:13,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 19:00:13,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 19:00:13,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 19:00:13,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 19:00:13,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 19:00:13,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 19:00:13,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 19:00:13,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 19:00:13,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 19:00:13,806 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 19:00:13,816 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 19:00:13,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 19:00:13,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 19:00:13,818 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 19:00:13,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 19:00:13,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 19:00:13,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 19:00:13,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 19:00:13,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 19:00:13,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 19:00:13,819 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 19:00:13,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 19:00:13,820 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 19:00:13,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 19:00:13,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 19:00:13,820 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 19:00:13,820 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 19:00:13,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 19:00:13,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 19:00:13,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 19:00:13,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 19:00:13,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 19:00:13,822 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 19:00:14,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 19:00:14,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 19:00:14,139 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 19:00:14,141 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 19:00:14,141 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 19:00:14,142 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/1_3.i [2020-07-10 19:00:14,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3ab9958f/b6df3ed7dc2c4cf29c729c86704a1f33/FLAG91f5fbbd4 [2020-07-10 19:00:14,694 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 19:00:14,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/1_3.i [2020-07-10 19:00:14,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3ab9958f/b6df3ed7dc2c4cf29c729c86704a1f33/FLAG91f5fbbd4 [2020-07-10 19:00:15,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3ab9958f/b6df3ed7dc2c4cf29c729c86704a1f33 [2020-07-10 19:00:15,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 19:00:15,057 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 19:00:15,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 19:00:15,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 19:00:15,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 19:00:15,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:00:15" (1/1) ... [2020-07-10 19:00:15,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b59b606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:15, skipping insertion in model container [2020-07-10 19:00:15,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:00:15" (1/1) ... [2020-07-10 19:00:15,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 19:00:15,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 19:00:15,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 19:00:15,349 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 19:00:15,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 19:00:15,383 INFO L208 MainTranslator]: Completed translation [2020-07-10 19:00:15,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:15 WrapperNode [2020-07-10 19:00:15,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 19:00:15,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 19:00:15,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 19:00:15,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 19:00:15,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:15" (1/1) ... [2020-07-10 19:00:15,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:15" (1/1) ... [2020-07-10 19:00:15,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:15" (1/1) ... [2020-07-10 19:00:15,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:15" (1/1) ... [2020-07-10 19:00:15,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:15" (1/1) ... [2020-07-10 19:00:15,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:15" (1/1) ... [2020-07-10 19:00:15,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:15" (1/1) ... [2020-07-10 19:00:15,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 19:00:15,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 19:00:15,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 19:00:15,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 19:00:15,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:15" (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 [2020-07-10 19:00:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 19:00:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 19:00:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-07-10 19:00:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure getrr [2020-07-10 19:00:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure getPtr [2020-07-10 19:00:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure freePtr [2020-07-10 19:00:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 19:00:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 19:00:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-07-10 19:00:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 19:00:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-10 19:00:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure getrr [2020-07-10 19:00:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-10 19:00:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 19:00:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure getPtr [2020-07-10 19:00:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure freePtr [2020-07-10 19:00:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 19:00:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 19:00:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 19:00:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 19:00:15,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 19:00:15,913 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 19:00:15,913 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-10 19:00:15,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:00:15 BoogieIcfgContainer [2020-07-10 19:00:15,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 19:00:15,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 19:00:15,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 19:00:15,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 19:00:15,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 07:00:15" (1/3) ... [2020-07-10 19:00:15,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697d87a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:00:15, skipping insertion in model container [2020-07-10 19:00:15,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:15" (2/3) ... [2020-07-10 19:00:15,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697d87a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:00:15, skipping insertion in model container [2020-07-10 19:00:15,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:00:15" (3/3) ... [2020-07-10 19:00:15,927 INFO L109 eAbstractionObserver]: Analyzing ICFG 1_3.i [2020-07-10 19:00:15,938 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 19:00:15,946 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 19:00:15,958 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 19:00:15,979 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 19:00:15,979 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 19:00:15,979 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 19:00:15,979 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 19:00:15,979 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 19:00:15,979 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 19:00:15,979 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 19:00:15,980 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 19:00:15,994 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-07-10 19:00:16,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-10 19:00:16,005 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 19:00:16,006 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] [2020-07-10 19:00:16,006 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 19:00:16,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 19:00:16,011 INFO L82 PathProgramCache]: Analyzing trace with hash 538172514, now seen corresponding path program 1 times [2020-07-10 19:00:16,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 19:00:16,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [991018924] [2020-07-10 19:00:16,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 19:00:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:00:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:00:16,392 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 [2020-07-10 19:00:16,392 INFO L280 TraceCheckUtils]: 1: Hoare triple {46#true} #valid := #valid[0 := 0]; {46#true} is VALID [2020-07-10 19:00:16,393 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#true} assume 0 < #StackHeapBarrier; {46#true} is VALID [2020-07-10 19:00:16,393 INFO L280 TraceCheckUtils]: 3: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-10 19:00:16,394 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {46#true} {46#true} #52#return; {46#true} is VALID [2020-07-10 19:00:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:00:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:00:16,521 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 [2020-07-10 19:00:16,522 INFO L280 TraceCheckUtils]: 1: Hoare triple {46#true} ~r~0.base, ~r~0.offset := #t~malloc0.base, #t~malloc0.offset; {46#true} is VALID [2020-07-10 19:00:16,522 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 [2020-07-10 19:00:16,523 INFO L280 TraceCheckUtils]: 3: Hoare triple {46#true} #res.base, #res.offset := ~r~0.base, ~r~0.offset; {46#true} is VALID [2020-07-10 19:00:16,523 INFO L280 TraceCheckUtils]: 4: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-10 19:00:16,524 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 [2020-07-10 19:00:16,526 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 [2020-07-10 19:00:16,526 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 [2020-07-10 19:00:16,527 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#true} ~r~0.base, ~r~0.offset := #t~malloc0.base, #t~malloc0.offset; {46#true} is VALID [2020-07-10 19:00:16,527 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 [2020-07-10 19:00:16,528 INFO L280 TraceCheckUtils]: 4: Hoare triple {46#true} #res.base, #res.offset := ~r~0.base, ~r~0.offset; {46#true} is VALID [2020-07-10 19:00:16,528 INFO L280 TraceCheckUtils]: 5: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-10 19:00:16,529 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 [2020-07-10 19:00:16,529 INFO L280 TraceCheckUtils]: 7: Hoare triple {46#true} ~r~1.base, ~r~1.offset := #t~ret1.base, #t~ret1.offset; {46#true} is VALID [2020-07-10 19:00:16,530 INFO L280 TraceCheckUtils]: 8: Hoare triple {46#true} havoc #t~ret1.base, #t~ret1.offset; {46#true} is VALID [2020-07-10 19:00:16,531 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 [2020-07-10 19:00:16,533 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 [2020-07-10 19:00:16,535 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 [2020-07-10 19:00:16,537 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 [2020-07-10 19:00:16,540 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 [2020-07-10 19:00:16,540 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 [2020-07-10 19:00:16,541 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#true} #valid := #valid[0 := 0]; {46#true} is VALID [2020-07-10 19:00:16,541 INFO L280 TraceCheckUtils]: 3: Hoare triple {46#true} assume 0 < #StackHeapBarrier; {46#true} is VALID [2020-07-10 19:00:16,542 INFO L280 TraceCheckUtils]: 4: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-10 19:00:16,542 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {46#true} {46#true} #52#return; {46#true} is VALID [2020-07-10 19:00:16,543 INFO L263 TraceCheckUtils]: 6: Hoare triple {46#true} call #t~ret4 := main(); {46#true} is VALID [2020-07-10 19:00:16,543 INFO L280 TraceCheckUtils]: 7: Hoare triple {46#true} ~ptr1~0.base, ~ptr1~0.offset := 0, 0; {46#true} is VALID [2020-07-10 19:00:16,545 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 [2020-07-10 19:00:16,546 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 [2020-07-10 19:00:16,547 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 [2020-07-10 19:00:16,547 INFO L280 TraceCheckUtils]: 11: Hoare triple {46#true} ~r~0.base, ~r~0.offset := #t~malloc0.base, #t~malloc0.offset; {46#true} is VALID [2020-07-10 19:00:16,548 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 [2020-07-10 19:00:16,548 INFO L280 TraceCheckUtils]: 13: Hoare triple {46#true} #res.base, #res.offset := ~r~0.base, ~r~0.offset; {46#true} is VALID [2020-07-10 19:00:16,548 INFO L280 TraceCheckUtils]: 14: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-10 19:00:16,549 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 [2020-07-10 19:00:16,549 INFO L280 TraceCheckUtils]: 16: Hoare triple {46#true} ~r~1.base, ~r~1.offset := #t~ret1.base, #t~ret1.offset; {46#true} is VALID [2020-07-10 19:00:16,550 INFO L280 TraceCheckUtils]: 17: Hoare triple {46#true} havoc #t~ret1.base, #t~ret1.offset; {46#true} is VALID [2020-07-10 19:00:16,551 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 [2020-07-10 19:00:16,552 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 [2020-07-10 19:00:16,553 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 [2020-07-10 19:00:16,555 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 [2020-07-10 19:00:16,557 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 [2020-07-10 19:00:16,558 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 [2020-07-10 19:00:16,560 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 [2020-07-10 19:00:16,561 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 [2020-07-10 19:00:16,564 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 [2020-07-10 19:00:16,568 INFO L280 TraceCheckUtils]: 27: Hoare triple {70#(= 1 |freePtr_#t~mem2|)} assume !(1 == #t~mem2); {47#false} is VALID [2020-07-10 19:00:16,568 INFO L263 TraceCheckUtils]: 28: Hoare triple {47#false} call __blast_assert(); {47#false} is VALID [2020-07-10 19:00:16,569 INFO L280 TraceCheckUtils]: 29: Hoare triple {47#false} assume !false; {47#false} is VALID [2020-07-10 19:00:16,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 19:00:16,574 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 19:00:16,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [991018924] [2020-07-10 19:00:16,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 19:00:16,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-10 19:00:16,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681246782] [2020-07-10 19:00:16,586 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2020-07-10 19:00:16,589 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 19:00:16,594 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-10 19:00:16,670 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:00:16,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-10 19:00:16,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 19:00:16,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-10 19:00:16,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-07-10 19:00:16,684 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 11 states. [2020-07-10 19:00:17,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:00:17,830 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2020-07-10 19:00:17,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-10 19:00:17,831 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2020-07-10 19:00:17,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 19:00:17,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-10 19:00:17,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 69 transitions. [2020-07-10 19:00:17,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-10 19:00:17,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 69 transitions. [2020-07-10 19:00:17,851 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 69 transitions. [2020-07-10 19:00:17,951 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:00:17,965 INFO L225 Difference]: With dead ends: 64 [2020-07-10 19:00:17,965 INFO L226 Difference]: Without dead ends: 39 [2020-07-10 19:00:17,969 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 [2020-07-10 19:00:17,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-07-10 19:00:18,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-07-10 19:00:18,070 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 19:00:18,071 INFO L82 GeneralOperation]: Start isEquivalent. First operand 39 states. Second operand 39 states. [2020-07-10 19:00:18,071 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 39 states. [2020-07-10 19:00:18,072 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 39 states. [2020-07-10 19:00:18,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:00:18,077 INFO L93 Difference]: Finished difference Result 39 states and 38 transitions. [2020-07-10 19:00:18,078 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 38 transitions. [2020-07-10 19:00:18,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:00:18,079 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:00:18,079 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 39 states. [2020-07-10 19:00:18,079 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 39 states. [2020-07-10 19:00:18,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:00:18,084 INFO L93 Difference]: Finished difference Result 39 states and 38 transitions. [2020-07-10 19:00:18,084 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 38 transitions. [2020-07-10 19:00:18,085 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:00:18,085 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:00:18,085 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 19:00:18,085 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 19:00:18,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-07-10 19:00:18,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 38 transitions. [2020-07-10 19:00:18,090 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 38 transitions. Word has length 30 [2020-07-10 19:00:18,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 19:00:18,091 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 38 transitions. [2020-07-10 19:00:18,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-10 19:00:18,091 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 39 states and 38 transitions. [2020-07-10 19:00:18,159 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:00:18,159 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 38 transitions. [2020-07-10 19:00:18,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-10 19:00:18,161 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 19:00:18,161 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] [2020-07-10 19:00:18,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 19:00:18,162 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 19:00:18,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 19:00:18,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1533664090, now seen corresponding path program 1 times [2020-07-10 19:00:18,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 19:00:18,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129834986] [2020-07-10 19:00:18,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 19:00:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 19:00:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 19:00:18,265 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 19:00:18,265 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-10 19:00:18,266 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 19:00:18,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 19:00:18,285 WARN L170 areAnnotationChecker]: getPtrENTRY has no Hoare annotation [2020-07-10 19:00:18,285 WARN L170 areAnnotationChecker]: getPtrENTRY has no Hoare annotation [2020-07-10 19:00:18,285 WARN L170 areAnnotationChecker]: freePtrENTRY has no Hoare annotation [2020-07-10 19:00:18,285 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-10 19:00:18,286 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 19:00:18,286 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 19:00:18,286 WARN L170 areAnnotationChecker]: __blast_assertENTRY has no Hoare annotation [2020-07-10 19:00:18,286 WARN L170 areAnnotationChecker]: __blast_assertENTRY has no Hoare annotation [2020-07-10 19:00:18,286 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 19:00:18,286 WARN L170 areAnnotationChecker]: getrrENTRY has no Hoare annotation [2020-07-10 19:00:18,286 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-10 19:00:18,287 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-10 19:00:18,287 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 19:00:18,287 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 19:00:18,287 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 19:00:18,287 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2020-07-10 19:00:18,287 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-10 19:00:18,287 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-10 19:00:18,288 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-10 19:00:18,288 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2020-07-10 19:00:18,288 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-10 19:00:18,288 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-10 19:00:18,288 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-10 19:00:18,288 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 19:00:18,288 WARN L170 areAnnotationChecker]: __blast_assertEXIT has no Hoare annotation [2020-07-10 19:00:18,288 WARN L170 areAnnotationChecker]: L51-1 has no Hoare annotation [2020-07-10 19:00:18,289 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-10 19:00:18,289 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-10 19:00:18,289 WARN L170 areAnnotationChecker]: L44-4 has no Hoare annotation [2020-07-10 19:00:18,289 WARN L170 areAnnotationChecker]: L44-3 has no Hoare annotation [2020-07-10 19:00:18,289 WARN L170 areAnnotationChecker]: L44-3 has no Hoare annotation [2020-07-10 19:00:18,289 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 19:00:18,289 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-10 19:00:18,290 WARN L170 areAnnotationChecker]: L31-1 has no Hoare annotation [2020-07-10 19:00:18,290 WARN L170 areAnnotationChecker]: L38-1 has no Hoare annotation [2020-07-10 19:00:18,290 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-10 19:00:18,290 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 19:00:18,290 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-10 19:00:18,290 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-10 19:00:18,290 WARN L170 areAnnotationChecker]: getrrFINAL has no Hoare annotation [2020-07-10 19:00:18,291 WARN L170 areAnnotationChecker]: getPtrFINAL has no Hoare annotation [2020-07-10 19:00:18,291 WARN L170 areAnnotationChecker]: freePtrFINAL has no Hoare annotation [2020-07-10 19:00:18,291 WARN L170 areAnnotationChecker]: L52-1 has no Hoare annotation [2020-07-10 19:00:18,291 WARN L170 areAnnotationChecker]: L52-1 has no Hoare annotation [2020-07-10 19:00:18,291 WARN L170 areAnnotationChecker]: getrrEXIT has no Hoare annotation [2020-07-10 19:00:18,291 WARN L170 areAnnotationChecker]: getPtrEXIT has no Hoare annotation [2020-07-10 19:00:18,291 WARN L170 areAnnotationChecker]: freePtrEXIT has no Hoare annotation [2020-07-10 19:00:18,292 WARN L170 areAnnotationChecker]: freePtrEXIT has no Hoare annotation [2020-07-10 19:00:18,292 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2020-07-10 19:00:18,292 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 19:00:18,292 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 19:00:18,292 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. [2020-07-10 19:00:18,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 07:00:18 BoogieIcfgContainer [2020-07-10 19:00:18,296 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 19:00:18,300 INFO L168 Benchmark]: Toolchain (without parser) took 3241.86 ms. Allocated memory was 135.8 MB in the beginning and 253.2 MB in the end (delta: 117.4 MB). Free memory was 101.3 MB in the beginning and 161.5 MB in the end (delta: -60.2 MB). Peak memory consumption was 57.3 MB. Max. memory is 7.1 GB. [2020-07-10 19:00:18,301 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 135.8 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 19:00:18,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.34 ms. Allocated memory is still 135.8 MB. Free memory was 100.9 MB in the beginning and 90.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-10 19:00:18,303 INFO L168 Benchmark]: Boogie Preprocessor took 132.69 ms. Allocated memory was 135.8 MB in the beginning and 199.8 MB in the end (delta: 64.0 MB). Free memory was 90.8 MB in the beginning and 177.8 MB in the end (delta: -87.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-07-10 19:00:18,304 INFO L168 Benchmark]: RCFGBuilder took 400.90 ms. Allocated memory is still 199.8 MB. Free memory was 177.8 MB in the beginning and 156.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2020-07-10 19:00:18,305 INFO L168 Benchmark]: TraceAbstraction took 2376.85 ms. Allocated memory was 199.8 MB in the beginning and 253.2 MB in the end (delta: 53.5 MB). Free memory was 155.6 MB in the beginning and 161.5 MB in the end (delta: -5.9 MB). Peak memory consumption was 47.6 MB. Max. memory is 7.1 GB. [2020-07-10 19:00:18,309 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 0.28 ms. Allocated memory is still 135.8 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 325.34 ms. Allocated memory is still 135.8 MB. Free memory was 100.9 MB in the beginning and 90.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.69 ms. Allocated memory was 135.8 MB in the beginning and 199.8 MB in the end (delta: 64.0 MB). Free memory was 90.8 MB in the beginning and 177.8 MB in the end (delta: -87.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 400.90 ms. Allocated memory is still 199.8 MB. Free memory was 177.8 MB in the beginning and 156.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2376.85 ms. Allocated memory was 199.8 MB in the beginning and 253.2 MB in the end (delta: 53.5 MB). Free memory was 155.6 MB in the beginning and 161.5 MB in the end (delta: -5.9 MB). Peak memory consumption was 47.6 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: 2.2s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 1.2s, 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...