/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/1_3.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:28:04,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:28:04,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:28:04,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:28:04,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:28:04,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:28:04,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:28:04,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:28:04,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:28:04,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:28:04,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:28:04,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:28:04,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:28:04,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:28:04,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:28:04,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:28:04,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:28:04,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:28:04,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:28:04,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:28:04,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:28:04,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:28:04,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:28:04,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:28:04,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 22:28:04,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 22:28:04,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 22:28:04,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 22:28:04,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 22:28:04,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 22:28:04,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 22:28:04,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 22:28:04,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 22:28:04,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 22:28:04,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 22:28:04,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 22:28:04,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 22:28:04,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 22:28:04,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:28:04,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:28:04,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:28:04,628 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 22:28:04,644 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:28:04,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:28:04,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:28:04,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:28:04,647 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:28:04,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:28:04,648 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:28:04,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:28:04,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:28:04,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:28:04,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:28:04,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:28:04,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:28:04,649 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:28:04,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:28:04,649 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:28:04,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:28:04,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:28:04,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:28:04,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:28:04,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:28:04,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:28:04,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:28:04,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:28:04,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:28:04,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:28:04,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:28:04,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:28:04,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:28:04,654 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:28:04,964 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:28:04,978 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:28:04,981 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:28:04,983 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:28:04,983 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:28:04,984 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/1_3.i [2020-07-17 22:28:05,051 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cd55545f/d8c77fafb6ec43a9af3886a9fca63de7/FLAGbd7f3dc9c [2020-07-17 22:28:05,557 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:28:05,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/1_3.i [2020-07-17 22:28:05,565 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cd55545f/d8c77fafb6ec43a9af3886a9fca63de7/FLAGbd7f3dc9c [2020-07-17 22:28:05,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cd55545f/d8c77fafb6ec43a9af3886a9fca63de7 [2020-07-17 22:28:05,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:28:05,895 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:28:05,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:28:05,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:28:05,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:28:05,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:28:05" (1/1) ... [2020-07-17 22:28:05,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c053451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:28:05, skipping insertion in model container [2020-07-17 22:28:05,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:28:05" (1/1) ... [2020-07-17 22:28:05,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:28:05,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:28:06,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:28:06,152 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:28:06,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:28:06,188 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:28:06,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:28:06 WrapperNode [2020-07-17 22:28:06,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:28:06,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:28:06,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:28:06,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:28:06,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:28:06" (1/1) ... [2020-07-17 22:28:06,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:28:06" (1/1) ... [2020-07-17 22:28:06,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:28:06" (1/1) ... [2020-07-17 22:28:06,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:28:06" (1/1) ... [2020-07-17 22:28:06,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:28:06" (1/1) ... [2020-07-17 22:28:06,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:28:06" (1/1) ... [2020-07-17 22:28:06,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:28:06" (1/1) ... [2020-07-17 22:28:06,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:28:06,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:28:06,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:28:06,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:28:06,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:28:06" (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 [2020-07-17 22:28:06,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:28:06,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:28:06,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-07-17 22:28:06,377 INFO L138 BoogieDeclarations]: Found implementation of procedure getrr [2020-07-17 22:28:06,377 INFO L138 BoogieDeclarations]: Found implementation of procedure getPtr [2020-07-17 22:28:06,377 INFO L138 BoogieDeclarations]: Found implementation of procedure freePtr [2020-07-17 22:28:06,378 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:28:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:28:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-07-17 22:28:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 22:28:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 22:28:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure getrr [2020-07-17 22:28:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 22:28:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 22:28:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure getPtr [2020-07-17 22:28:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure freePtr [2020-07-17 22:28:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 22:28:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:28:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:28:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:28:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 22:28:06,641 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:28:06,642 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 22:28:06,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:28:06 BoogieIcfgContainer [2020-07-17 22:28:06,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:28:06,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:28:06,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:28:06,653 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:28:06,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:28:05" (1/3) ... [2020-07-17 22:28:06,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61edba90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:28:06, skipping insertion in model container [2020-07-17 22:28:06,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:28:06" (2/3) ... [2020-07-17 22:28:06,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61edba90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:28:06, skipping insertion in model container [2020-07-17 22:28:06,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:28:06" (3/3) ... [2020-07-17 22:28:06,659 INFO L109 eAbstractionObserver]: Analyzing ICFG 1_3.i [2020-07-17 22:28:06,676 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:28:06,686 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:28:06,705 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:28:06,731 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:28:06,731 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:28:06,731 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:28:06,732 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:28:06,732 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:28:06,732 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:28:06,732 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:28:06,732 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:28:06,754 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-07-17 22:28:06,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-17 22:28:06,761 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:28:06,762 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] [2020-07-17 22:28:06,762 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:28:06,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:28:06,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1862665640, now seen corresponding path program 1 times [2020-07-17 22:28:06,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:28:06,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652670683] [2020-07-17 22:28:06,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:28:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:28:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:28:07,142 INFO L280 TraceCheckUtils]: 0: Hoare triple {51#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {35#true} is VALID [2020-07-17 22:28:07,143 INFO L280 TraceCheckUtils]: 1: Hoare triple {35#true} assume true; {35#true} is VALID [2020-07-17 22:28:07,143 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {35#true} {35#true} #41#return; {35#true} is VALID [2020-07-17 22:28:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:28:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:28:07,243 INFO L280 TraceCheckUtils]: 0: Hoare triple {52#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(4);~r~0.base, ~r~0.offset := #t~malloc0.base, #t~malloc0.offset;call write~int(0, ~r~0.base, ~r~0.offset, 4);#res.base, #res.offset := ~r~0.base, ~r~0.offset; {35#true} is VALID [2020-07-17 22:28:07,243 INFO L280 TraceCheckUtils]: 1: Hoare triple {35#true} assume true; {35#true} is VALID [2020-07-17 22:28:07,244 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {35#true} {52#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} #39#return; {35#true} is VALID [2020-07-17 22:28:07,246 INFO L263 TraceCheckUtils]: 0: Hoare triple {52#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} call #t~ret1.base, #t~ret1.offset := getrr(); {52#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:28:07,247 INFO L280 TraceCheckUtils]: 1: Hoare triple {52#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(4);~r~0.base, ~r~0.offset := #t~malloc0.base, #t~malloc0.offset;call write~int(0, ~r~0.base, ~r~0.offset, 4);#res.base, #res.offset := ~r~0.base, ~r~0.offset; {35#true} is VALID [2020-07-17 22:28:07,247 INFO L280 TraceCheckUtils]: 2: Hoare triple {35#true} assume true; {35#true} is VALID [2020-07-17 22:28:07,248 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {35#true} {52#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} #39#return; {35#true} is VALID [2020-07-17 22:28:07,250 INFO L280 TraceCheckUtils]: 4: Hoare triple {35#true} ~r~1.base, ~r~1.offset := #t~ret1.base, #t~ret1.offset;havoc #t~ret1.base, #t~ret1.offset;call write~int(1, ~r~1.base, ~r~1.offset, 4);#res.base, #res.offset := ~r~1.base, ~r~1.offset; {56#(= 1 (select (select |#memory_int| |getPtr_#res.base|) |getPtr_#res.offset|))} is VALID [2020-07-17 22:28:07,251 INFO L280 TraceCheckUtils]: 5: Hoare triple {56#(= 1 (select (select |#memory_int| |getPtr_#res.base|) |getPtr_#res.offset|))} assume true; {56#(= 1 (select (select |#memory_int| |getPtr_#res.base|) |getPtr_#res.offset|))} is VALID [2020-07-17 22:28:07,254 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {56#(= 1 (select (select |#memory_int| |getPtr_#res.base|) |getPtr_#res.offset|))} {35#true} #33#return; {47#(= (select (select |#memory_int| |main_#t~ret3.base|) |main_#t~ret3.offset|) 1)} is VALID [2020-07-17 22:28:07,257 INFO L263 TraceCheckUtils]: 0: Hoare triple {35#true} call ULTIMATE.init(); {51#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-17 22:28:07,257 INFO L280 TraceCheckUtils]: 1: Hoare triple {51#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {35#true} is VALID [2020-07-17 22:28:07,258 INFO L280 TraceCheckUtils]: 2: Hoare triple {35#true} assume true; {35#true} is VALID [2020-07-17 22:28:07,258 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {35#true} {35#true} #41#return; {35#true} is VALID [2020-07-17 22:28:07,259 INFO L263 TraceCheckUtils]: 4: Hoare triple {35#true} call #t~ret4 := main(); {35#true} is VALID [2020-07-17 22:28:07,259 INFO L280 TraceCheckUtils]: 5: Hoare triple {35#true} ~ptr1~0.base, ~ptr1~0.offset := 0, 0; {35#true} is VALID [2020-07-17 22:28:07,261 INFO L263 TraceCheckUtils]: 6: Hoare triple {35#true} call #t~ret3.base, #t~ret3.offset := getPtr(); {52#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:28:07,263 INFO L263 TraceCheckUtils]: 7: Hoare triple {52#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} call #t~ret1.base, #t~ret1.offset := getrr(); {52#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:28:07,264 INFO L280 TraceCheckUtils]: 8: Hoare triple {52#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(4);~r~0.base, ~r~0.offset := #t~malloc0.base, #t~malloc0.offset;call write~int(0, ~r~0.base, ~r~0.offset, 4);#res.base, #res.offset := ~r~0.base, ~r~0.offset; {35#true} is VALID [2020-07-17 22:28:07,264 INFO L280 TraceCheckUtils]: 9: Hoare triple {35#true} assume true; {35#true} is VALID [2020-07-17 22:28:07,265 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {35#true} {52#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} #39#return; {35#true} is VALID [2020-07-17 22:28:07,266 INFO L280 TraceCheckUtils]: 11: Hoare triple {35#true} ~r~1.base, ~r~1.offset := #t~ret1.base, #t~ret1.offset;havoc #t~ret1.base, #t~ret1.offset;call write~int(1, ~r~1.base, ~r~1.offset, 4);#res.base, #res.offset := ~r~1.base, ~r~1.offset; {56#(= 1 (select (select |#memory_int| |getPtr_#res.base|) |getPtr_#res.offset|))} is VALID [2020-07-17 22:28:07,268 INFO L280 TraceCheckUtils]: 12: Hoare triple {56#(= 1 (select (select |#memory_int| |getPtr_#res.base|) |getPtr_#res.offset|))} assume true; {56#(= 1 (select (select |#memory_int| |getPtr_#res.base|) |getPtr_#res.offset|))} is VALID [2020-07-17 22:28:07,270 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {56#(= 1 (select (select |#memory_int| |getPtr_#res.base|) |getPtr_#res.offset|))} {35#true} #33#return; {47#(= (select (select |#memory_int| |main_#t~ret3.base|) |main_#t~ret3.offset|) 1)} is VALID [2020-07-17 22:28:07,272 INFO L280 TraceCheckUtils]: 14: Hoare triple {47#(= (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;havoc #t~ret3.base, #t~ret3.offset; {48#(= 1 (select (select |#memory_int| main_~ptr1~0.base) main_~ptr1~0.offset))} is VALID [2020-07-17 22:28:07,274 INFO L263 TraceCheckUtils]: 15: Hoare triple {48#(= 1 (select (select |#memory_int| main_~ptr1~0.base) main_~ptr1~0.offset))} call freePtr(~ptr1~0.base, ~ptr1~0.offset); {49#(= 1 (select (select |#memory_int| |freePtr_#in~ptr.base|) |freePtr_#in~ptr.offset|))} is VALID [2020-07-17 22:28:07,275 INFO L280 TraceCheckUtils]: 16: Hoare triple {49#(= 1 (select (select |#memory_int| |freePtr_#in~ptr.base|) |freePtr_#in~ptr.offset|))} ~ptr.base, ~ptr.offset := #in~ptr.base, #in~ptr.offset;call #t~mem2 := read~int(~ptr.base, ~ptr.offset, 4); {50#(= 1 |freePtr_#t~mem2|)} is VALID [2020-07-17 22:28:07,277 INFO L280 TraceCheckUtils]: 17: Hoare triple {50#(= 1 |freePtr_#t~mem2|)} assume !(1 == #t~mem2); {36#false} is VALID [2020-07-17 22:28:07,277 INFO L263 TraceCheckUtils]: 18: Hoare triple {36#false} call __blast_assert(); {36#false} is VALID [2020-07-17 22:28:07,278 INFO L280 TraceCheckUtils]: 19: Hoare triple {36#false} assume !false; {36#false} is VALID [2020-07-17 22:28:07,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:28:07,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652670683] [2020-07-17 22:28:07,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:28:07,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 22:28:07,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184704753] [2020-07-17 22:28:07,293 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2020-07-17 22:28:07,296 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:28:07,301 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-17 22:28:07,346 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:28:07,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 22:28:07,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:28:07,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 22:28:07,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-07-17 22:28:07,360 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 9 states. [2020-07-17 22:28:08,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:28:08,084 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2020-07-17 22:28:08,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 22:28:08,085 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2020-07-17 22:28:08,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:28:08,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-17 22:28:08,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 54 transitions. [2020-07-17 22:28:08,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-17 22:28:08,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 54 transitions. [2020-07-17 22:28:08,104 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 54 transitions. [2020-07-17 22:28:08,182 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:28:08,194 INFO L225 Difference]: With dead ends: 49 [2020-07-17 22:28:08,195 INFO L226 Difference]: Without dead ends: 27 [2020-07-17 22:28:08,199 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2020-07-17 22:28:08,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-07-17 22:28:08,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-07-17 22:28:08,261 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:28:08,262 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand 27 states. [2020-07-17 22:28:08,262 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2020-07-17 22:28:08,263 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2020-07-17 22:28:08,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:28:08,267 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-07-17 22:28:08,268 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-07-17 22:28:08,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:28:08,268 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:28:08,269 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2020-07-17 22:28:08,269 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2020-07-17 22:28:08,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:28:08,273 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-07-17 22:28:08,273 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-07-17 22:28:08,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:28:08,274 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:28:08,274 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:28:08,274 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:28:08,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-07-17 22:28:08,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2020-07-17 22:28:08,279 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 20 [2020-07-17 22:28:08,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:28:08,280 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2020-07-17 22:28:08,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 22:28:08,280 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-07-17 22:28:08,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-17 22:28:08,282 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:28:08,282 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-17 22:28:08,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:28:08,282 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:28:08,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:28:08,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1146014323, now seen corresponding path program 1 times [2020-07-17 22:28:08,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:28:08,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355312495] [2020-07-17 22:28:08,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:28:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:28:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:28:08,420 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 22:28:08,421 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 22:28:08,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:28:08,482 WARN L170 areAnnotationChecker]: getPtrENTRY has no Hoare annotation [2020-07-17 22:28:08,482 WARN L170 areAnnotationChecker]: getPtrENTRY has no Hoare annotation [2020-07-17 22:28:08,483 WARN L170 areAnnotationChecker]: freePtrENTRY has no Hoare annotation [2020-07-17 22:28:08,483 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-17 22:28:08,483 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:28:08,483 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:28:08,483 WARN L170 areAnnotationChecker]: __blast_assertENTRY has no Hoare annotation [2020-07-17 22:28:08,484 WARN L170 areAnnotationChecker]: __blast_assertENTRY has no Hoare annotation [2020-07-17 22:28:08,484 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 22:28:08,484 WARN L170 areAnnotationChecker]: getrrENTRY has no Hoare annotation [2020-07-17 22:28:08,484 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-17 22:28:08,484 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-17 22:28:08,484 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-17 22:28:08,485 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:28:08,485 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:28:08,485 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:28:08,485 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2020-07-17 22:28:08,485 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-17 22:28:08,485 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-17 22:28:08,486 WARN L170 areAnnotationChecker]: getrrFINAL has no Hoare annotation [2020-07-17 22:28:08,486 WARN L170 areAnnotationChecker]: getPtrFINAL has no Hoare annotation [2020-07-17 22:28:08,486 WARN L170 areAnnotationChecker]: L44-3 has no Hoare annotation [2020-07-17 22:28:08,486 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-17 22:28:08,486 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-17 22:28:08,486 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:28:08,487 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:28:08,487 WARN L170 areAnnotationChecker]: __blast_assertEXIT has no Hoare annotation [2020-07-17 22:28:08,487 WARN L170 areAnnotationChecker]: L51-1 has no Hoare annotation [2020-07-17 22:28:08,487 WARN L170 areAnnotationChecker]: getrrEXIT has no Hoare annotation [2020-07-17 22:28:08,487 WARN L170 areAnnotationChecker]: getPtrEXIT has no Hoare annotation [2020-07-17 22:28:08,488 WARN L170 areAnnotationChecker]: freePtrFINAL has no Hoare annotation [2020-07-17 22:28:08,488 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-17 22:28:08,488 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-17 22:28:08,488 WARN L170 areAnnotationChecker]: freePtrEXIT has no Hoare annotation [2020-07-17 22:28:08,488 WARN L170 areAnnotationChecker]: freePtrEXIT has no Hoare annotation [2020-07-17 22:28:08,488 WARN L170 areAnnotationChecker]: L52-1 has no Hoare annotation [2020-07-17 22:28:08,489 WARN L170 areAnnotationChecker]: L52-1 has no Hoare annotation [2020-07-17 22:28:08,489 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2020-07-17 22:28:08,489 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:28:08,489 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:28:08,489 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. [2020-07-17 22:28:08,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:28:08 BoogieIcfgContainer [2020-07-17 22:28:08,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:28:08,505 INFO L168 Benchmark]: Toolchain (without parser) took 2607.68 ms. Allocated memory was 137.9 MB in the beginning and 234.4 MB in the end (delta: 96.5 MB). Free memory was 101.7 MB in the beginning and 110.0 MB in the end (delta: -8.4 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. [2020-07-17 22:28:08,508 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-17 22:28:08,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.41 ms. Allocated memory is still 137.9 MB. Free memory was 101.3 MB in the beginning and 91.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-17 22:28:08,511 INFO L168 Benchmark]: Boogie Preprocessor took 129.85 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 91.0 MB in the beginning and 180.5 MB in the end (delta: -89.5 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-17 22:28:08,512 INFO L168 Benchmark]: RCFGBuilder took 326.93 ms. Allocated memory is still 202.4 MB. Free memory was 180.5 MB in the beginning and 161.4 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2020-07-17 22:28:08,514 INFO L168 Benchmark]: TraceAbstraction took 1851.09 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 160.8 MB in the beginning and 110.0 MB in the end (delta: 50.7 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2020-07-17 22:28:08,528 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 292.41 ms. Allocated memory is still 137.9 MB. Free memory was 101.3 MB in the beginning and 91.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.85 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 91.0 MB in the beginning and 180.5 MB in the end (delta: -89.5 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 326.93 ms. Allocated memory is still 202.4 MB. Free memory was 180.5 MB in the beginning and 161.4 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1851.09 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 160.8 MB in the beginning and 110.0 MB in the end (delta: 50.7 MB). Peak memory consumption was 82.7 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); [L31] r -> state = 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(); [L38] r -> state = 1 [L39] return r; VAL [\result={-1:0}, r={-1:0}] [L51] RET, EXPR getPtr() VAL [getPtr()={-1:0}, ptr1={0:0}] [L51] ptr1 = getPtr() [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, 32 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 18 SDslu, 84 SDs, 0 SdLazy, 100 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 1482 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...