/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -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 [2020-07-11 01:03:38,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 01:03:38,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 01:03:38,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 01:03:38,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 01:03:38,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 01:03:38,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 01:03:38,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 01:03:38,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 01:03:38,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 01:03:38,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 01:03:38,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 01:03:38,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 01:03:38,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 01:03:38,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 01:03:38,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 01:03:38,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 01:03:38,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 01:03:38,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 01:03:38,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 01:03:38,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 01:03:38,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 01:03:38,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 01:03:38,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 01:03:38,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-11 01:03:38,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-11 01:03:38,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-11 01:03:38,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-11 01:03:38,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-11 01:03:38,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-11 01:03:38,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-11 01:03:38,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-11 01:03:38,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-11 01:03:38,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-11 01:03:38,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-11 01:03:38,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-11 01:03:38,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-11 01:03:38,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-11 01:03:38,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 01:03:38,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 01:03:38,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 01:03:38,469 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-11 01:03:38,478 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 01:03:38,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 01:03:38,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 01:03:38,479 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 01:03:38,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 01:03:38,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 01:03:38,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 01:03:38,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 01:03:38,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 01:03:38,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 01:03:38,480 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 01:03:38,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 01:03:38,481 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 01:03:38,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 01:03:38,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 01:03:38,481 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 01:03:38,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 01:03:38,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 01:03:38,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 01:03:38,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 01:03:38,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 01:03:38,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 01:03:38,483 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-11 01:03:38,760 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 01:03:38,775 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 01:03:38,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 01:03:38,780 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 01:03:38,780 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 01:03:38,781 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/1_3.i [2020-07-11 01:03:38,862 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad8c7c0ae/01d6b1319d1f4106b79e9ac2a5b5b4f6/FLAG136a25a83 [2020-07-11 01:03:39,329 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 01:03:39,330 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/1_3.i [2020-07-11 01:03:39,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad8c7c0ae/01d6b1319d1f4106b79e9ac2a5b5b4f6/FLAG136a25a83 [2020-07-11 01:03:39,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad8c7c0ae/01d6b1319d1f4106b79e9ac2a5b5b4f6 [2020-07-11 01:03:39,824 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 01:03:39,826 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 01:03:39,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 01:03:39,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 01:03:39,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 01:03:39,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 01:03:39" (1/1) ... [2020-07-11 01:03:39,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c72b113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:03:39, skipping insertion in model container [2020-07-11 01:03:39,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 01:03:39" (1/1) ... [2020-07-11 01:03:39,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 01:03:39,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 01:03:40,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 01:03:40,055 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 01:03:40,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 01:03:40,088 INFO L208 MainTranslator]: Completed translation [2020-07-11 01:03:40,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:03:40 WrapperNode [2020-07-11 01:03:40,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 01:03:40,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 01:03:40,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 01:03:40,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 01:03:40,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:03:40" (1/1) ... [2020-07-11 01:03:40,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:03:40" (1/1) ... [2020-07-11 01:03:40,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:03:40" (1/1) ... [2020-07-11 01:03:40,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:03:40" (1/1) ... [2020-07-11 01:03:40,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:03:40" (1/1) ... [2020-07-11 01:03:40,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:03:40" (1/1) ... [2020-07-11 01:03:40,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:03:40" (1/1) ... [2020-07-11 01:03:40,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 01:03:40,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 01:03:40,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 01:03:40,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 01:03:40,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:03:40" (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 [2020-07-11 01:03:40,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 01:03:40,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 01:03:40,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-07-11 01:03:40,278 INFO L138 BoogieDeclarations]: Found implementation of procedure getrr [2020-07-11 01:03:40,278 INFO L138 BoogieDeclarations]: Found implementation of procedure getPtr [2020-07-11 01:03:40,278 INFO L138 BoogieDeclarations]: Found implementation of procedure freePtr [2020-07-11 01:03:40,278 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 01:03:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 01:03:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-07-11 01:03:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-11 01:03:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-11 01:03:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure getrr [2020-07-11 01:03:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-11 01:03:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-11 01:03:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure getPtr [2020-07-11 01:03:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure freePtr [2020-07-11 01:03:40,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-11 01:03:40,280 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 01:03:40,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 01:03:40,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 01:03:40,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-11 01:03:40,579 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 01:03:40,580 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-11 01:03:40,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 01:03:40 BoogieIcfgContainer [2020-07-11 01:03:40,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 01:03:40,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 01:03:40,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 01:03:40,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 01:03:40,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 01:03:39" (1/3) ... [2020-07-11 01:03:40,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ff2f13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 01:03:40, skipping insertion in model container [2020-07-11 01:03:40,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:03:40" (2/3) ... [2020-07-11 01:03:40,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ff2f13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 01:03:40, skipping insertion in model container [2020-07-11 01:03:40,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 01:03:40" (3/3) ... [2020-07-11 01:03:40,592 INFO L109 eAbstractionObserver]: Analyzing ICFG 1_3.i [2020-07-11 01:03:40,603 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 01:03:40,611 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 01:03:40,626 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 01:03:40,648 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 01:03:40,649 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 01:03:40,649 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 01:03:40,649 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 01:03:40,649 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 01:03:40,649 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 01:03:40,650 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 01:03:40,650 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 01:03:40,672 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-07-11 01:03:40,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-11 01:03:40,684 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:03:40,685 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] [2020-07-11 01:03:40,686 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:03:40,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:03:40,691 INFO L82 PathProgramCache]: Analyzing trace with hash 538172514, now seen corresponding path program 1 times [2020-07-11 01:03:40,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:03:40,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [630264091] [2020-07-11 01:03:40,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:03:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:03:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:03:41,075 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 [2020-07-11 01:03:41,076 INFO L280 TraceCheckUtils]: 1: Hoare triple {46#true} #valid := #valid[0 := 0]; {46#true} is VALID [2020-07-11 01:03:41,076 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#true} assume 0 < #StackHeapBarrier; {46#true} is VALID [2020-07-11 01:03:41,076 INFO L280 TraceCheckUtils]: 3: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-11 01:03:41,077 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {46#true} {46#true} #52#return; {46#true} is VALID [2020-07-11 01:03:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:03:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:03:41,201 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 [2020-07-11 01:03:41,201 INFO L280 TraceCheckUtils]: 1: Hoare triple {46#true} ~r~0.base, ~r~0.offset := #t~malloc0.base, #t~malloc0.offset; {46#true} is VALID [2020-07-11 01:03:41,202 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 [2020-07-11 01:03:41,202 INFO L280 TraceCheckUtils]: 3: Hoare triple {46#true} #res.base, #res.offset := ~r~0.base, ~r~0.offset; {46#true} is VALID [2020-07-11 01:03:41,203 INFO L280 TraceCheckUtils]: 4: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-11 01:03:41,203 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 [2020-07-11 01:03:41,205 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 [2020-07-11 01:03:41,206 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 [2020-07-11 01:03:41,206 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#true} ~r~0.base, ~r~0.offset := #t~malloc0.base, #t~malloc0.offset; {46#true} is VALID [2020-07-11 01:03:41,207 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 [2020-07-11 01:03:41,207 INFO L280 TraceCheckUtils]: 4: Hoare triple {46#true} #res.base, #res.offset := ~r~0.base, ~r~0.offset; {46#true} is VALID [2020-07-11 01:03:41,208 INFO L280 TraceCheckUtils]: 5: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-11 01:03:41,208 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 [2020-07-11 01:03:41,209 INFO L280 TraceCheckUtils]: 7: Hoare triple {46#true} ~r~1.base, ~r~1.offset := #t~ret1.base, #t~ret1.offset; {46#true} is VALID [2020-07-11 01:03:41,209 INFO L280 TraceCheckUtils]: 8: Hoare triple {46#true} havoc #t~ret1.base, #t~ret1.offset; {46#true} is VALID [2020-07-11 01:03:41,211 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 [2020-07-11 01:03:41,214 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 [2020-07-11 01:03:41,216 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 [2020-07-11 01:03:41,219 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 [2020-07-11 01:03:41,222 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 [2020-07-11 01:03:41,223 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 [2020-07-11 01:03:41,223 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#true} #valid := #valid[0 := 0]; {46#true} is VALID [2020-07-11 01:03:41,224 INFO L280 TraceCheckUtils]: 3: Hoare triple {46#true} assume 0 < #StackHeapBarrier; {46#true} is VALID [2020-07-11 01:03:41,224 INFO L280 TraceCheckUtils]: 4: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-11 01:03:41,224 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {46#true} {46#true} #52#return; {46#true} is VALID [2020-07-11 01:03:41,225 INFO L263 TraceCheckUtils]: 6: Hoare triple {46#true} call #t~ret4 := main(); {46#true} is VALID [2020-07-11 01:03:41,225 INFO L280 TraceCheckUtils]: 7: Hoare triple {46#true} ~ptr1~0.base, ~ptr1~0.offset := 0, 0; {46#true} is VALID [2020-07-11 01:03:41,228 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 [2020-07-11 01:03:41,229 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 [2020-07-11 01:03:41,230 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 [2020-07-11 01:03:41,230 INFO L280 TraceCheckUtils]: 11: Hoare triple {46#true} ~r~0.base, ~r~0.offset := #t~malloc0.base, #t~malloc0.offset; {46#true} is VALID [2020-07-11 01:03:41,231 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 [2020-07-11 01:03:41,231 INFO L280 TraceCheckUtils]: 13: Hoare triple {46#true} #res.base, #res.offset := ~r~0.base, ~r~0.offset; {46#true} is VALID [2020-07-11 01:03:41,231 INFO L280 TraceCheckUtils]: 14: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-11 01:03:41,232 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 [2020-07-11 01:03:41,232 INFO L280 TraceCheckUtils]: 16: Hoare triple {46#true} ~r~1.base, ~r~1.offset := #t~ret1.base, #t~ret1.offset; {46#true} is VALID [2020-07-11 01:03:41,232 INFO L280 TraceCheckUtils]: 17: Hoare triple {46#true} havoc #t~ret1.base, #t~ret1.offset; {46#true} is VALID [2020-07-11 01:03:41,234 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 [2020-07-11 01:03:41,236 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 [2020-07-11 01:03:41,237 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 [2020-07-11 01:03:41,239 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 [2020-07-11 01:03:41,241 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 [2020-07-11 01:03:41,244 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 [2020-07-11 01:03:41,246 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 [2020-07-11 01:03:41,247 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 [2020-07-11 01:03:41,248 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 [2020-07-11 01:03:41,249 INFO L280 TraceCheckUtils]: 27: Hoare triple {70#(= 1 |freePtr_#t~mem2|)} assume !(1 == #t~mem2); {47#false} is VALID [2020-07-11 01:03:41,249 INFO L263 TraceCheckUtils]: 28: Hoare triple {47#false} call __blast_assert(); {47#false} is VALID [2020-07-11 01:03:41,250 INFO L280 TraceCheckUtils]: 29: Hoare triple {47#false} assume !false; {47#false} is VALID [2020-07-11 01:03:41,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:03:41,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [630264091] [2020-07-11 01:03:41,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 01:03:41,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-11 01:03:41,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766470594] [2020-07-11 01:03:41,265 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2020-07-11 01:03:41,268 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:03:41,272 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-11 01:03:41,330 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:03:41,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-11 01:03:41,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:03:41,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-11 01:03:41,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-07-11 01:03:41,343 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 11 states. [2020-07-11 01:03:42,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:03:42,519 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2020-07-11 01:03:42,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-11 01:03:42,520 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2020-07-11 01:03:42,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:03:42,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-11 01:03:42,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 69 transitions. [2020-07-11 01:03:42,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-11 01:03:42,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 69 transitions. [2020-07-11 01:03:42,540 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 69 transitions. [2020-07-11 01:03:42,658 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:03:42,685 INFO L225 Difference]: With dead ends: 64 [2020-07-11 01:03:42,686 INFO L226 Difference]: Without dead ends: 39 [2020-07-11 01:03:42,691 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 [2020-07-11 01:03:42,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-07-11 01:03:42,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-07-11 01:03:42,790 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:03:42,790 INFO L82 GeneralOperation]: Start isEquivalent. First operand 39 states. Second operand 39 states. [2020-07-11 01:03:42,791 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 39 states. [2020-07-11 01:03:42,791 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 39 states. [2020-07-11 01:03:42,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:03:42,797 INFO L93 Difference]: Finished difference Result 39 states and 38 transitions. [2020-07-11 01:03:42,797 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 38 transitions. [2020-07-11 01:03:42,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:03:42,798 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:03:42,798 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 39 states. [2020-07-11 01:03:42,798 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 39 states. [2020-07-11 01:03:42,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:03:42,803 INFO L93 Difference]: Finished difference Result 39 states and 38 transitions. [2020-07-11 01:03:42,804 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 38 transitions. [2020-07-11 01:03:42,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:03:42,804 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:03:42,805 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:03:42,805 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:03:42,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-07-11 01:03:42,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 38 transitions. [2020-07-11 01:03:42,810 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 38 transitions. Word has length 30 [2020-07-11 01:03:42,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:03:42,810 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 38 transitions. [2020-07-11 01:03:42,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-11 01:03:42,811 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 39 states and 38 transitions. [2020-07-11 01:03:42,878 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:03:42,878 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 38 transitions. [2020-07-11 01:03:42,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-11 01:03:42,881 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:03:42,881 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] [2020-07-11 01:03:42,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 01:03:42,885 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:03:42,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:03:42,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1533664090, now seen corresponding path program 1 times [2020-07-11 01:03:42,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:03:42,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207205129] [2020-07-11 01:03:42,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:03:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 01:03:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 01:03:42,955 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-11 01:03:42,956 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-11 01:03:42,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-11 01:03:42,996 WARN L170 areAnnotationChecker]: getPtrENTRY has no Hoare annotation [2020-07-11 01:03:42,996 WARN L170 areAnnotationChecker]: getPtrENTRY has no Hoare annotation [2020-07-11 01:03:42,996 WARN L170 areAnnotationChecker]: freePtrENTRY has no Hoare annotation [2020-07-11 01:03:42,996 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-11 01:03:42,997 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 01:03:42,997 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 01:03:42,997 WARN L170 areAnnotationChecker]: __blast_assertENTRY has no Hoare annotation [2020-07-11 01:03:42,997 WARN L170 areAnnotationChecker]: __blast_assertENTRY has no Hoare annotation [2020-07-11 01:03:42,997 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-11 01:03:42,997 WARN L170 areAnnotationChecker]: getrrENTRY has no Hoare annotation [2020-07-11 01:03:42,997 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-11 01:03:42,998 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-11 01:03:42,998 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 01:03:42,998 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 01:03:42,998 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 01:03:42,998 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2020-07-11 01:03:42,998 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-11 01:03:42,998 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-11 01:03:42,998 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-11 01:03:42,999 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2020-07-11 01:03:42,999 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-11 01:03:42,999 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-11 01:03:42,999 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-11 01:03:42,999 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-11 01:03:42,999 WARN L170 areAnnotationChecker]: __blast_assertEXIT has no Hoare annotation [2020-07-11 01:03:42,999 WARN L170 areAnnotationChecker]: L51-1 has no Hoare annotation [2020-07-11 01:03:43,000 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-11 01:03:43,000 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-11 01:03:43,001 WARN L170 areAnnotationChecker]: L44-4 has no Hoare annotation [2020-07-11 01:03:43,002 WARN L170 areAnnotationChecker]: L44-3 has no Hoare annotation [2020-07-11 01:03:43,002 WARN L170 areAnnotationChecker]: L44-3 has no Hoare annotation [2020-07-11 01:03:43,002 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-11 01:03:43,002 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-11 01:03:43,003 WARN L170 areAnnotationChecker]: L31-1 has no Hoare annotation [2020-07-11 01:03:43,003 WARN L170 areAnnotationChecker]: L38-1 has no Hoare annotation [2020-07-11 01:03:43,003 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-11 01:03:43,003 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-11 01:03:43,003 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-11 01:03:43,003 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-11 01:03:43,003 WARN L170 areAnnotationChecker]: getrrFINAL has no Hoare annotation [2020-07-11 01:03:43,003 WARN L170 areAnnotationChecker]: getPtrFINAL has no Hoare annotation [2020-07-11 01:03:43,004 WARN L170 areAnnotationChecker]: freePtrFINAL has no Hoare annotation [2020-07-11 01:03:43,004 WARN L170 areAnnotationChecker]: L52-1 has no Hoare annotation [2020-07-11 01:03:43,004 WARN L170 areAnnotationChecker]: L52-1 has no Hoare annotation [2020-07-11 01:03:43,004 WARN L170 areAnnotationChecker]: getrrEXIT has no Hoare annotation [2020-07-11 01:03:43,004 WARN L170 areAnnotationChecker]: getPtrEXIT has no Hoare annotation [2020-07-11 01:03:43,004 WARN L170 areAnnotationChecker]: freePtrEXIT has no Hoare annotation [2020-07-11 01:03:43,004 WARN L170 areAnnotationChecker]: freePtrEXIT has no Hoare annotation [2020-07-11 01:03:43,005 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2020-07-11 01:03:43,005 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-11 01:03:43,005 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-11 01:03:43,005 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. [2020-07-11 01:03:43,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.07 01:03:43 BoogieIcfgContainer [2020-07-11 01:03:43,011 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-11 01:03:43,015 INFO L168 Benchmark]: Toolchain (without parser) took 3188.46 ms. Allocated memory was 135.8 MB in the beginning and 252.7 MB in the end (delta: 116.9 MB). Free memory was 100.8 MB in the beginning and 163.4 MB in the end (delta: -62.6 MB). Peak memory consumption was 54.3 MB. Max. memory is 7.1 GB. [2020-07-11 01:03:43,017 INFO L168 Benchmark]: CDTParser took 0.24 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. [2020-07-11 01:03:43,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.37 ms. Allocated memory is still 135.8 MB. Free memory was 100.4 MB in the beginning and 90.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-11 01:03:43,021 INFO L168 Benchmark]: Boogie Preprocessor took 130.89 ms. Allocated memory was 135.8 MB in the beginning and 199.2 MB in the end (delta: 63.4 MB). Free memory was 90.4 MB in the beginning and 177.2 MB in the end (delta: -86.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-07-11 01:03:43,022 INFO L168 Benchmark]: RCFGBuilder took 363.82 ms. Allocated memory is still 199.2 MB. Free memory was 176.5 MB in the beginning and 155.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2020-07-11 01:03:43,024 INFO L168 Benchmark]: TraceAbstraction took 2426.07 ms. Allocated memory was 199.2 MB in the beginning and 252.7 MB in the end (delta: 53.5 MB). Free memory was 154.8 MB in the beginning and 163.4 MB in the end (delta: -8.6 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2020-07-11 01:03:43,035 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 0.24 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 261.37 ms. Allocated memory is still 135.8 MB. Free memory was 100.4 MB in the beginning and 90.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.89 ms. Allocated memory was 135.8 MB in the beginning and 199.2 MB in the end (delta: 63.4 MB). Free memory was 90.4 MB in the beginning and 177.2 MB in the end (delta: -86.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 363.82 ms. Allocated memory is still 199.2 MB. Free memory was 176.5 MB in the beginning and 155.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2426.07 ms. Allocated memory was 199.2 MB in the beginning and 252.7 MB in the end (delta: 53.5 MB). Free memory was 154.8 MB in the beginning and 163.4 MB in the end (delta: -8.6 MB). Peak memory consumption was 44.9 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; VAL [ptr1={0:0}] [L51] CALL, EXPR getPtr() [L37] CALL, EXPR getrr() [L30] rr * r = (rr *)malloc(sizeof *r); VAL [malloc(sizeof *r)={-1:0}, r={-1:0}] [L31] r -> state = 0 VAL [malloc(sizeof *r)={-1:0}, r={-1:0}] [L32] return r; VAL [\result={-1:0}, malloc(sizeof *r)={-1:0}, r={-1:0}] [L37] RET, EXPR getrr() VAL [getrr()={-1:0}] [L37] rr * r = getrr(); VAL [getrr()={-1:0}, r={-1:0}] [L38] r -> state = 1 VAL [r={-1:0}] [L39] return r; VAL [\result={-1:0}, r={-1:0}] [L51] RET, EXPR getPtr() VAL [getPtr()={-1:0}, ptr1={0:0}] [L51] ptr1 = getPtr() VAL [getPtr()={-1:0}, ptr1={-1:0}] [L52] CALL freePtr(ptr1) VAL [ptr={-1:0}] [L44] EXPR ptr -> state VAL [ptr={-1:0}, ptr={-1:0}, ptr -> state=1] [L44] (ptr -> state == 1) ? (0) : __blast_assert () VAL [ptr={-1:0}, ptr={-1:0}, ptr -> state=1] [L45] ptr -> state = 2 VAL [ptr={-1:0}, ptr={-1:0}] [L52] RET freePtr(ptr1) VAL [ptr1={-1:0}] [L54] CALL freePtr(ptr1) VAL [ptr={-1:0}] [L44] EXPR ptr -> state VAL [ptr={-1:0}, ptr={-1:0}, ptr -> state=2] [L44] (ptr -> state == 1) ? (0) : __blast_assert () VAL [ptr={-1:0}, ptr={-1:0}, ptr -> state=2] [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, 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 3074 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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...