/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/array-fpi/eqn4f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:47:15,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:47:15,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:47:15,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:47:15,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:47:15,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:47:15,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:47:15,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:47:15,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:47:15,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:47:15,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:47:15,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:47:15,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:47:15,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:47:15,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:47:15,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:47:15,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:47:15,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:47:15,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:47:15,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:47:15,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:47:15,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:47:15,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:47:15,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:47:15,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:47:15,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:47:15,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:47:15,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:47:15,930 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:47:15,939 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:47:15,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:47:15,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:47:15,941 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:47:15,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:47:15,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:47:15,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:47:15,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:47:15,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:47:15,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:47:15,942 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:47:15,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:47:15,943 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:47:15,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:47:15,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:47:15,943 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:47:15,943 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:47:15,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:47:15,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:47:15,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:47:15,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:47:15,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:47:15,945 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:47:16,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:47:16,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:47:16,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:47:16,241 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:47:16,241 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:47:16,242 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/eqn4f.c [2020-07-18 00:47:16,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/105bbfbcd/29acfc63de9445a88bcac5ae7e470cf6/FLAG4e9f37bc4 [2020-07-18 00:47:16,774 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:47:16,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/eqn4f.c [2020-07-18 00:47:16,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/105bbfbcd/29acfc63de9445a88bcac5ae7e470cf6/FLAG4e9f37bc4 [2020-07-18 00:47:17,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/105bbfbcd/29acfc63de9445a88bcac5ae7e470cf6 [2020-07-18 00:47:17,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:47:17,129 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:47:17,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:47:17,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:47:17,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:47:17,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:47:17" (1/1) ... [2020-07-18 00:47:17,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736c451e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:17, skipping insertion in model container [2020-07-18 00:47:17,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:47:17" (1/1) ... [2020-07-18 00:47:17,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:47:17,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:47:17,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:47:17,347 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:47:17,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:47:17,386 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:47:17,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:17 WrapperNode [2020-07-18 00:47:17,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:47:17,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:47:17,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:47:17,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:47:17,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:17" (1/1) ... [2020-07-18 00:47:17,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:17" (1/1) ... [2020-07-18 00:47:17,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:17" (1/1) ... [2020-07-18 00:47:17,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:17" (1/1) ... [2020-07-18 00:47:17,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:17" (1/1) ... [2020-07-18 00:47:17,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:17" (1/1) ... [2020-07-18 00:47:17,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:17" (1/1) ... [2020-07-18 00:47:17,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:47:17,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:47:17,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:47:17,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:47:17,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:47:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:47:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:47:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-18 00:47:17,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-18 00:47:17,575 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:47:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:47:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 00:47:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-18 00:47:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-18 00:47:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 00:47:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-18 00:47:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:47:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-18 00:47:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:47:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:47:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:47:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:47:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:47:18,106 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:47:18,106 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-07-18 00:47:18,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:47:18 BoogieIcfgContainer [2020-07-18 00:47:18,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:47:18,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:47:18,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:47:18,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:47:18,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:47:17" (1/3) ... [2020-07-18 00:47:18,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4475c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:47:18, skipping insertion in model container [2020-07-18 00:47:18,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:47:17" (2/3) ... [2020-07-18 00:47:18,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4475c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:47:18, skipping insertion in model container [2020-07-18 00:47:18,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:47:18" (3/3) ... [2020-07-18 00:47:18,130 INFO L109 eAbstractionObserver]: Analyzing ICFG eqn4f.c [2020-07-18 00:47:18,141 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:47:18,152 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:47:18,166 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:47:18,192 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:47:18,192 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:47:18,192 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:47:18,192 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:47:18,192 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:47:18,193 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:47:18,193 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:47:18,193 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:47:18,211 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2020-07-18 00:47:18,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-18 00:47:18,224 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:47:18,225 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, 1, 1, 1, 1, 1] [2020-07-18 00:47:18,225 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:47:18,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:47:18,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1558850377, now seen corresponding path program 1 times [2020-07-18 00:47:18,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:47:18,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [412951307] [2020-07-18 00:47:18,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:47:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:47:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:47:18,503 INFO L280 TraceCheckUtils]: 0: Hoare triple {78#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {66#true} is VALID [2020-07-18 00:47:18,504 INFO L280 TraceCheckUtils]: 1: Hoare triple {66#true} #valid := #valid[0 := 0]; {66#true} is VALID [2020-07-18 00:47:18,504 INFO L280 TraceCheckUtils]: 2: Hoare triple {66#true} assume 0 < #StackHeapBarrier; {66#true} is VALID [2020-07-18 00:47:18,505 INFO L280 TraceCheckUtils]: 3: Hoare triple {66#true} ~N~0 := 0; {66#true} is VALID [2020-07-18 00:47:18,505 INFO L280 TraceCheckUtils]: 4: Hoare triple {66#true} assume true; {66#true} is VALID [2020-07-18 00:47:18,506 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {66#true} {66#true} #110#return; {66#true} is VALID [2020-07-18 00:47:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:47:18,515 INFO L280 TraceCheckUtils]: 0: Hoare triple {66#true} ~cond := #in~cond; {66#true} is VALID [2020-07-18 00:47:18,515 INFO L280 TraceCheckUtils]: 1: Hoare triple {66#true} assume !(0 == ~cond); {66#true} is VALID [2020-07-18 00:47:18,516 INFO L280 TraceCheckUtils]: 2: Hoare triple {66#true} assume true; {66#true} is VALID [2020-07-18 00:47:18,516 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {66#true} {66#true} #106#return; {66#true} is VALID [2020-07-18 00:47:18,519 INFO L263 TraceCheckUtils]: 0: Hoare triple {66#true} call ULTIMATE.init(); {78#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 00:47:18,519 INFO L280 TraceCheckUtils]: 1: Hoare triple {78#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {66#true} is VALID [2020-07-18 00:47:18,520 INFO L280 TraceCheckUtils]: 2: Hoare triple {66#true} #valid := #valid[0 := 0]; {66#true} is VALID [2020-07-18 00:47:18,520 INFO L280 TraceCheckUtils]: 3: Hoare triple {66#true} assume 0 < #StackHeapBarrier; {66#true} is VALID [2020-07-18 00:47:18,521 INFO L280 TraceCheckUtils]: 4: Hoare triple {66#true} ~N~0 := 0; {66#true} is VALID [2020-07-18 00:47:18,521 INFO L280 TraceCheckUtils]: 5: Hoare triple {66#true} assume true; {66#true} is VALID [2020-07-18 00:47:18,521 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {66#true} {66#true} #110#return; {66#true} is VALID [2020-07-18 00:47:18,522 INFO L263 TraceCheckUtils]: 7: Hoare triple {66#true} call #t~ret10 := main(); {66#true} is VALID [2020-07-18 00:47:18,522 INFO L280 TraceCheckUtils]: 8: Hoare triple {66#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {66#true} is VALID [2020-07-18 00:47:18,523 INFO L280 TraceCheckUtils]: 9: Hoare triple {66#true} ~N~0 := #t~nondet0; {66#true} is VALID [2020-07-18 00:47:18,523 INFO L280 TraceCheckUtils]: 10: Hoare triple {66#true} havoc #t~nondet0; {66#true} is VALID [2020-07-18 00:47:18,524 INFO L280 TraceCheckUtils]: 11: Hoare triple {66#true} assume !(~N~0 <= 0); {66#true} is VALID [2020-07-18 00:47:18,524 INFO L263 TraceCheckUtils]: 12: Hoare triple {66#true} call assume_abort_if_not((if ~N~0 <= 536870911 then 1 else 0)); {66#true} is VALID [2020-07-18 00:47:18,524 INFO L280 TraceCheckUtils]: 13: Hoare triple {66#true} ~cond := #in~cond; {66#true} is VALID [2020-07-18 00:47:18,525 INFO L280 TraceCheckUtils]: 14: Hoare triple {66#true} assume !(0 == ~cond); {66#true} is VALID [2020-07-18 00:47:18,525 INFO L280 TraceCheckUtils]: 15: Hoare triple {66#true} assume true; {66#true} is VALID [2020-07-18 00:47:18,526 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {66#true} {66#true} #106#return; {66#true} is VALID [2020-07-18 00:47:18,526 INFO L280 TraceCheckUtils]: 17: Hoare triple {66#true} havoc ~i~0; {66#true} is VALID [2020-07-18 00:47:18,527 INFO L280 TraceCheckUtils]: 18: Hoare triple {66#true} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L26 {66#true} is VALID [2020-07-18 00:47:18,527 INFO L280 TraceCheckUtils]: 19: Hoare triple {66#true} ~a~0.base, ~a~0.offset := #t~malloc1.base, #t~malloc1.offset; {66#true} is VALID [2020-07-18 00:47:18,527 INFO L280 TraceCheckUtils]: 20: Hoare triple {66#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L27 {66#true} is VALID [2020-07-18 00:47:18,528 INFO L280 TraceCheckUtils]: 21: Hoare triple {66#true} ~b~0.base, ~b~0.offset := #t~malloc2.base, #t~malloc2.offset; {66#true} is VALID [2020-07-18 00:47:18,528 INFO L280 TraceCheckUtils]: 22: Hoare triple {66#true} SUMMARY for call write~int(8, ~a~0.base, ~a~0.offset, 8); srcloc: L29 {66#true} is VALID [2020-07-18 00:47:18,529 INFO L280 TraceCheckUtils]: 23: Hoare triple {66#true} SUMMARY for call write~int(0, ~b~0.base, ~b~0.offset, 8); srcloc: L29-1 {66#true} is VALID [2020-07-18 00:47:18,529 INFO L280 TraceCheckUtils]: 24: Hoare triple {66#true} ~i~0 := 1; {66#true} is VALID [2020-07-18 00:47:18,531 INFO L280 TraceCheckUtils]: 25: Hoare triple {66#true} assume !true; {67#false} is VALID [2020-07-18 00:47:18,531 INFO L280 TraceCheckUtils]: 26: Hoare triple {67#false} ~i~0 := 1; {67#false} is VALID [2020-07-18 00:47:18,532 INFO L280 TraceCheckUtils]: 27: Hoare triple {67#false} assume !(~i~0 < ~N~0); {67#false} is VALID [2020-07-18 00:47:18,532 INFO L280 TraceCheckUtils]: 28: Hoare triple {67#false} ~i~0 := 0; {67#false} is VALID [2020-07-18 00:47:18,532 INFO L280 TraceCheckUtils]: 29: Hoare triple {67#false} assume !!(~i~0 < ~N~0); {67#false} is VALID [2020-07-18 00:47:18,533 INFO L280 TraceCheckUtils]: 30: Hoare triple {67#false} SUMMARY for call #t~mem9 := read~int(~b~0.base, ~b~0.offset + 8 * ~i~0, 8); srcloc: L43 {67#false} is VALID [2020-07-18 00:47:18,533 INFO L263 TraceCheckUtils]: 31: Hoare triple {67#false} call __VERIFIER_assert((if #t~mem9 == 1 + (4 * ~i~0 * ~i~0 + 4 * ~i~0) then 1 else 0)); {67#false} is VALID [2020-07-18 00:47:18,534 INFO L280 TraceCheckUtils]: 32: Hoare triple {67#false} ~cond := #in~cond; {67#false} is VALID [2020-07-18 00:47:18,534 INFO L280 TraceCheckUtils]: 33: Hoare triple {67#false} assume 0 == ~cond; {67#false} is VALID [2020-07-18 00:47:18,535 INFO L280 TraceCheckUtils]: 34: Hoare triple {67#false} assume !false; {67#false} is VALID [2020-07-18 00:47:18,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:47:18,543 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:47:18,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [412951307] [2020-07-18 00:47:18,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:47:18,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 00:47:18,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445159014] [2020-07-18 00:47:18,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-07-18 00:47:18,558 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:47:18,561 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 00:47:18,621 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:47:18,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 00:47:18,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:47:18,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 00:47:18,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 00:47:18,631 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 3 states. [2020-07-18 00:47:19,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:47:19,057 INFO L93 Difference]: Finished difference Result 109 states and 124 transitions. [2020-07-18 00:47:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 00:47:19,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-07-18 00:47:19,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:47:19,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 00:47:19,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 124 transitions. [2020-07-18 00:47:19,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 00:47:19,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 124 transitions. [2020-07-18 00:47:19,079 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 124 transitions. [2020-07-18 00:47:19,227 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:47:19,241 INFO L225 Difference]: With dead ends: 109 [2020-07-18 00:47:19,241 INFO L226 Difference]: Without dead ends: 56 [2020-07-18 00:47:19,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 00:47:19,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-07-18 00:47:19,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-07-18 00:47:19,337 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:47:19,337 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand 56 states. [2020-07-18 00:47:19,338 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2020-07-18 00:47:19,338 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2020-07-18 00:47:19,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:47:19,345 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2020-07-18 00:47:19,345 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2020-07-18 00:47:19,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:47:19,346 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:47:19,346 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2020-07-18 00:47:19,346 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2020-07-18 00:47:19,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:47:19,354 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2020-07-18 00:47:19,354 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2020-07-18 00:47:19,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:47:19,359 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:47:19,360 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:47:19,361 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:47:19,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-18 00:47:19,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2020-07-18 00:47:19,371 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 35 [2020-07-18 00:47:19,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:47:19,372 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2020-07-18 00:47:19,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 00:47:19,373 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 56 states and 58 transitions. [2020-07-18 00:47:19,468 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:47:19,468 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2020-07-18 00:47:19,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-18 00:47:19,470 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:47:19,470 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, 1, 1, 1, 1, 1] [2020-07-18 00:47:19,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:47:19,470 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:47:19,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:47:19,471 INFO L82 PathProgramCache]: Analyzing trace with hash -574468364, now seen corresponding path program 1 times [2020-07-18 00:47:19,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:47:19,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [660781160] [2020-07-18 00:47:19,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:47:19,506 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:47:19,507 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-07-18 00:47:19,507 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 00:47:19,512 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 00:47:19,532 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-18 00:47:19,533 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 00:47:19,533 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 00:47:19,533 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-18 00:47:19,533 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 00:47:19,533 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-18 00:47:19,533 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:47:19,534 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:47:19,534 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:47:19,534 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-18 00:47:19,534 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-18 00:47:19,534 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-18 00:47:19,534 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-18 00:47:19,534 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-18 00:47:19,534 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-18 00:47:19,535 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 00:47:19,535 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-18 00:47:19,535 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-18 00:47:19,535 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-18 00:47:19,536 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-18 00:47:19,536 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-18 00:47:19,536 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-18 00:47:19,536 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-18 00:47:19,536 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2020-07-18 00:47:19,537 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-18 00:47:19,537 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-18 00:47:19,537 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-18 00:47:19,537 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 00:47:19,537 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-18 00:47:19,537 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-18 00:47:19,537 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-18 00:47:19,538 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-18 00:47:19,538 WARN L170 areAnnotationChecker]: L43-2 has no Hoare annotation [2020-07-18 00:47:19,538 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 00:47:19,538 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-18 00:47:19,538 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 00:47:19,538 WARN L170 areAnnotationChecker]: L41-2 has no Hoare annotation [2020-07-18 00:47:19,538 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2020-07-18 00:47:19,539 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 00:47:19,539 WARN L170 areAnnotationChecker]: L41-3 has no Hoare annotation [2020-07-18 00:47:19,539 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-18 00:47:19,539 WARN L170 areAnnotationChecker]: L41-4 has no Hoare annotation [2020-07-18 00:47:19,539 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2020-07-18 00:47:19,539 WARN L170 areAnnotationChecker]: L41-5 has no Hoare annotation [2020-07-18 00:47:19,539 WARN L170 areAnnotationChecker]: L41-5 has no Hoare annotation [2020-07-18 00:47:19,539 WARN L170 areAnnotationChecker]: L41-5 has no Hoare annotation [2020-07-18 00:47:19,540 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-18 00:47:19,540 WARN L170 areAnnotationChecker]: L41-6 has no Hoare annotation [2020-07-18 00:47:19,540 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-18 00:47:19,540 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-18 00:47:19,540 WARN L170 areAnnotationChecker]: L43-1 has no Hoare annotation [2020-07-18 00:47:19,540 WARN L170 areAnnotationChecker]: L43-1 has no Hoare annotation [2020-07-18 00:47:19,540 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-18 00:47:19,540 WARN L170 areAnnotationChecker]: L31-5 has no Hoare annotation [2020-07-18 00:47:19,541 WARN L170 areAnnotationChecker]: L31-5 has no Hoare annotation [2020-07-18 00:47:19,541 WARN L170 areAnnotationChecker]: L31-5 has no Hoare annotation [2020-07-18 00:47:19,541 WARN L170 areAnnotationChecker]: L31-6 has no Hoare annotation [2020-07-18 00:47:19,541 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-18 00:47:19,541 WARN L170 areAnnotationChecker]: L36-5 has no Hoare annotation [2020-07-18 00:47:19,541 WARN L170 areAnnotationChecker]: L36-5 has no Hoare annotation [2020-07-18 00:47:19,541 WARN L170 areAnnotationChecker]: L36-5 has no Hoare annotation [2020-07-18 00:47:19,542 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2020-07-18 00:47:19,542 WARN L170 areAnnotationChecker]: L36-6 has no Hoare annotation [2020-07-18 00:47:19,542 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-18 00:47:19,542 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2020-07-18 00:47:19,542 WARN L170 areAnnotationChecker]: L38-1 has no Hoare annotation [2020-07-18 00:47:19,542 WARN L170 areAnnotationChecker]: L31-2 has no Hoare annotation [2020-07-18 00:47:19,542 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-18 00:47:19,543 WARN L170 areAnnotationChecker]: L31-3 has no Hoare annotation [2020-07-18 00:47:19,543 WARN L170 areAnnotationChecker]: L38-3 has no Hoare annotation [2020-07-18 00:47:19,543 WARN L170 areAnnotationChecker]: L31-4 has no Hoare annotation [2020-07-18 00:47:19,543 WARN L170 areAnnotationChecker]: L38-4 has no Hoare annotation [2020-07-18 00:47:19,543 WARN L170 areAnnotationChecker]: L36-2 has no Hoare annotation [2020-07-18 00:47:19,543 WARN L170 areAnnotationChecker]: L36-3 has no Hoare annotation [2020-07-18 00:47:19,543 WARN L170 areAnnotationChecker]: L36-4 has no Hoare annotation [2020-07-18 00:47:19,543 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-18 00:47:19,551 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-07-18 00:47:19,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 12:47:19 BoogieIcfgContainer [2020-07-18 00:47:19,551 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 00:47:19,556 INFO L168 Benchmark]: Toolchain (without parser) took 2426.25 ms. Allocated memory was 135.8 MB in the beginning and 228.6 MB in the end (delta: 92.8 MB). Free memory was 100.0 MB in the beginning and 128.8 MB in the end (delta: -28.9 MB). Peak memory consumption was 63.9 MB. Max. memory is 7.1 GB. [2020-07-18 00:47:19,558 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 135.8 MB. Free memory was 117.9 MB in the beginning and 117.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 00:47:19,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.41 ms. Allocated memory is still 135.8 MB. Free memory was 99.5 MB in the beginning and 88.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2020-07-18 00:47:19,561 INFO L168 Benchmark]: Boogie Preprocessor took 130.87 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 88.7 MB in the beginning and 177.6 MB in the end (delta: -89.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:47:19,563 INFO L168 Benchmark]: RCFGBuilder took 598.62 ms. Allocated memory is still 200.3 MB. Free memory was 177.6 MB in the beginning and 149.3 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:47:19,564 INFO L168 Benchmark]: TraceAbstraction took 1431.57 ms. Allocated memory was 200.3 MB in the beginning and 228.6 MB in the end (delta: 28.3 MB). Free memory was 148.6 MB in the beginning and 128.8 MB in the end (delta: 19.8 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. [2020-07-18 00:47:19,577 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 135.8 MB. Free memory was 117.9 MB in the beginning and 117.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 256.41 ms. Allocated memory is still 135.8 MB. Free memory was 99.5 MB in the beginning and 88.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.87 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 88.7 MB in the beginning and 177.6 MB in the end (delta: -89.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 598.62 ms. Allocated memory is still 200.3 MB. Free memory was 177.6 MB in the beginning and 149.3 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1431.57 ms. Allocated memory was 200.3 MB in the beginning and 228.6 MB in the end (delta: 28.3 MB). Free memory was 148.6 MB in the beginning and 128.8 MB in the end (delta: 19.8 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long *a = malloc(sizeof(long long)*N); [L27] long long *b = malloc(sizeof(long long)*N); [L29] a[0] = 8 [L30] b[0] = 0 [L31] i=1 [L31] COND FALSE !(i