/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/array-fpi/sqm-iff.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 02:27:20,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 02:27:20,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 02:27:20,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 02:27:20,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 02:27:20,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 02:27:20,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 02:27:20,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 02:27:20,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 02:27:20,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 02:27:20,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 02:27:20,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 02:27:20,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 02:27:20,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 02:27:20,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 02:27:20,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 02:27:20,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 02:27:20,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 02:27:20,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 02:27:20,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 02:27:20,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 02:27:20,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 02:27:20,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 02:27:20,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 02:27:20,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-11 02:27:20,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-11 02:27:20,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-11 02:27:20,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-11 02:27:20,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-11 02:27:20,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-11 02:27:20,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 02:27:20,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 02:27:20,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 02:27:20,841 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-11 02:27:20,850 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 02:27:20,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 02:27:20,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 02:27:20,851 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 02:27:20,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 02:27:20,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 02:27:20,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 02:27:20,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 02:27:20,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 02:27:20,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 02:27:20,853 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 02:27:20,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 02:27:20,853 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 02:27:20,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 02:27:20,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 02:27:20,854 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 02:27:20,854 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 02:27:20,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 02:27:20,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 02:27:20,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 02:27:20,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 02:27:20,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 02:27:20,855 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-11 02:27:21,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 02:27:21,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 02:27:21,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 02:27:21,164 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 02:27:21,165 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 02:27:21,165 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sqm-iff.c [2020-07-11 02:27:21,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7302812bc/a8b1b92a650f40b0be6367663d3511bd/FLAGa3f00bd13 [2020-07-11 02:27:21,790 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 02:27:21,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/sqm-iff.c [2020-07-11 02:27:21,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7302812bc/a8b1b92a650f40b0be6367663d3511bd/FLAGa3f00bd13 [2020-07-11 02:27:22,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7302812bc/a8b1b92a650f40b0be6367663d3511bd [2020-07-11 02:27:22,139 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 02:27:22,144 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 02:27:22,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 02:27:22,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 02:27:22,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 02:27:22,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 02:27:22" (1/1) ... [2020-07-11 02:27:22,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d2f0278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:27:22, skipping insertion in model container [2020-07-11 02:27:22,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 02:27:22" (1/1) ... [2020-07-11 02:27:22,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 02:27:22,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 02:27:22,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 02:27:22,400 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 02:27:22,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 02:27:22,435 INFO L208 MainTranslator]: Completed translation [2020-07-11 02:27:22,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:27:22 WrapperNode [2020-07-11 02:27:22,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 02:27:22,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 02:27:22,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 02:27:22,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 02:27:22,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:27:22" (1/1) ... [2020-07-11 02:27:22,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:27:22" (1/1) ... [2020-07-11 02:27:22,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:27:22" (1/1) ... [2020-07-11 02:27:22,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:27:22" (1/1) ... [2020-07-11 02:27:22,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:27:22" (1/1) ... [2020-07-11 02:27:22,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:27:22" (1/1) ... [2020-07-11 02:27:22,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:27:22" (1/1) ... [2020-07-11 02:27:22,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 02:27:22,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 02:27:22,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 02:27:22,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 02:27:22,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:27:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 02:27:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 02:27:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 02:27:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-11 02:27:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-11 02:27:22,652 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 02:27:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 02:27:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-11 02:27:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-11 02:27:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-11 02:27:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-11 02:27:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-11 02:27:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 02:27:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-11 02:27:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-11 02:27:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-11 02:27:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 02:27:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 02:27:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-11 02:27:23,128 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 02:27:23,128 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-07-11 02:27:23,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 02:27:23 BoogieIcfgContainer [2020-07-11 02:27:23,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 02:27:23,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 02:27:23,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 02:27:23,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 02:27:23,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 02:27:22" (1/3) ... [2020-07-11 02:27:23,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e326df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 02:27:23, skipping insertion in model container [2020-07-11 02:27:23,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:27:22" (2/3) ... [2020-07-11 02:27:23,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e326df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 02:27:23, skipping insertion in model container [2020-07-11 02:27:23,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 02:27:23" (3/3) ... [2020-07-11 02:27:23,142 INFO L109 eAbstractionObserver]: Analyzing ICFG sqm-iff.c [2020-07-11 02:27:23,152 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 02:27:23,160 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 02:27:23,173 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 02:27:23,195 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 02:27:23,195 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 02:27:23,195 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 02:27:23,195 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 02:27:23,196 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 02:27:23,196 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 02:27:23,196 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 02:27:23,196 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 02:27:23,212 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2020-07-11 02:27:23,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-11 02:27:23,223 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:27:23,224 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] [2020-07-11 02:27:23,225 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:27:23,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:27:23,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1150160147, now seen corresponding path program 1 times [2020-07-11 02:27:23,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:27:23,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1204791030] [2020-07-11 02:27:23,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:27:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:27:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:27:23,518 INFO L280 TraceCheckUtils]: 0: Hoare triple {82#(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; {68#true} is VALID [2020-07-11 02:27:23,519 INFO L280 TraceCheckUtils]: 1: Hoare triple {68#true} #valid := #valid[0 := 0]; {68#true} is VALID [2020-07-11 02:27:23,519 INFO L280 TraceCheckUtils]: 2: Hoare triple {68#true} assume 0 < #StackHeapBarrier; {68#true} is VALID [2020-07-11 02:27:23,520 INFO L280 TraceCheckUtils]: 3: Hoare triple {68#true} ~N~0 := 0; {68#true} is VALID [2020-07-11 02:27:23,520 INFO L280 TraceCheckUtils]: 4: Hoare triple {68#true} assume true; {68#true} is VALID [2020-07-11 02:27:23,521 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {68#true} {68#true} #120#return; {68#true} is VALID [2020-07-11 02:27:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:27:23,552 INFO L280 TraceCheckUtils]: 0: Hoare triple {68#true} ~cond := #in~cond; {68#true} is VALID [2020-07-11 02:27:23,553 INFO L280 TraceCheckUtils]: 1: Hoare triple {68#true} assume !(0 == ~cond); {68#true} is VALID [2020-07-11 02:27:23,553 INFO L280 TraceCheckUtils]: 2: Hoare triple {68#true} assume true; {68#true} is VALID [2020-07-11 02:27:23,558 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {68#true} {76#(<= 1 ~N~0)} #116#return; {76#(<= 1 ~N~0)} is VALID [2020-07-11 02:27:23,565 INFO L263 TraceCheckUtils]: 0: Hoare triple {68#true} call ULTIMATE.init(); {82#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-11 02:27:23,566 INFO L280 TraceCheckUtils]: 1: Hoare triple {82#(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; {68#true} is VALID [2020-07-11 02:27:23,566 INFO L280 TraceCheckUtils]: 2: Hoare triple {68#true} #valid := #valid[0 := 0]; {68#true} is VALID [2020-07-11 02:27:23,567 INFO L280 TraceCheckUtils]: 3: Hoare triple {68#true} assume 0 < #StackHeapBarrier; {68#true} is VALID [2020-07-11 02:27:23,567 INFO L280 TraceCheckUtils]: 4: Hoare triple {68#true} ~N~0 := 0; {68#true} is VALID [2020-07-11 02:27:23,567 INFO L280 TraceCheckUtils]: 5: Hoare triple {68#true} assume true; {68#true} is VALID [2020-07-11 02:27:23,568 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {68#true} {68#true} #120#return; {68#true} is VALID [2020-07-11 02:27:23,568 INFO L263 TraceCheckUtils]: 7: Hoare triple {68#true} call #t~ret10 := main(); {68#true} is VALID [2020-07-11 02:27:23,569 INFO L280 TraceCheckUtils]: 8: Hoare triple {68#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {68#true} is VALID [2020-07-11 02:27:23,569 INFO L280 TraceCheckUtils]: 9: Hoare triple {68#true} ~N~0 := #t~nondet0; {68#true} is VALID [2020-07-11 02:27:23,570 INFO L280 TraceCheckUtils]: 10: Hoare triple {68#true} havoc #t~nondet0; {68#true} is VALID [2020-07-11 02:27:23,572 INFO L280 TraceCheckUtils]: 11: Hoare triple {68#true} assume !(~N~0 <= 0); {76#(<= 1 ~N~0)} is VALID [2020-07-11 02:27:23,573 INFO L263 TraceCheckUtils]: 12: Hoare triple {76#(<= 1 ~N~0)} call assume_abort_if_not((if ~N~0 <= 536870911 then 1 else 0)); {68#true} is VALID [2020-07-11 02:27:23,573 INFO L280 TraceCheckUtils]: 13: Hoare triple {68#true} ~cond := #in~cond; {68#true} is VALID [2020-07-11 02:27:23,573 INFO L280 TraceCheckUtils]: 14: Hoare triple {68#true} assume !(0 == ~cond); {68#true} is VALID [2020-07-11 02:27:23,574 INFO L280 TraceCheckUtils]: 15: Hoare triple {68#true} assume true; {68#true} is VALID [2020-07-11 02:27:23,577 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {68#true} {76#(<= 1 ~N~0)} #116#return; {76#(<= 1 ~N~0)} is VALID [2020-07-11 02:27:23,579 INFO L280 TraceCheckUtils]: 17: Hoare triple {76#(<= 1 ~N~0)} havoc ~i~0; {76#(<= 1 ~N~0)} is VALID [2020-07-11 02:27:23,582 INFO L280 TraceCheckUtils]: 18: Hoare triple {76#(<= 1 ~N~0)} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L26 {76#(<= 1 ~N~0)} is VALID [2020-07-11 02:27:23,583 INFO L280 TraceCheckUtils]: 19: Hoare triple {76#(<= 1 ~N~0)} ~a~0.base, ~a~0.offset := #t~malloc1.base, #t~malloc1.offset; {76#(<= 1 ~N~0)} is VALID [2020-07-11 02:27:23,586 INFO L280 TraceCheckUtils]: 20: Hoare triple {76#(<= 1 ~N~0)} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L27 {76#(<= 1 ~N~0)} is VALID [2020-07-11 02:27:23,588 INFO L280 TraceCheckUtils]: 21: Hoare triple {76#(<= 1 ~N~0)} ~b~0.base, ~b~0.offset := #t~malloc2.base, #t~malloc2.offset; {76#(<= 1 ~N~0)} is VALID [2020-07-11 02:27:23,590 INFO L280 TraceCheckUtils]: 22: Hoare triple {76#(<= 1 ~N~0)} ~i~0 := 0; {81#(and (= 0 main_~i~0) (<= 1 ~N~0))} is VALID [2020-07-11 02:27:23,592 INFO L280 TraceCheckUtils]: 23: Hoare triple {81#(and (= 0 main_~i~0) (<= 1 ~N~0))} assume !(~i~0 < ~N~0); {69#false} is VALID [2020-07-11 02:27:23,592 INFO L280 TraceCheckUtils]: 24: Hoare triple {69#false} ~i~0 := 0; {69#false} is VALID [2020-07-11 02:27:23,593 INFO L280 TraceCheckUtils]: 25: Hoare triple {69#false} assume !(~i~0 < ~N~0); {69#false} is VALID [2020-07-11 02:27:23,593 INFO L280 TraceCheckUtils]: 26: Hoare triple {69#false} ~i~0 := 0; {69#false} is VALID [2020-07-11 02:27:23,594 INFO L280 TraceCheckUtils]: 27: Hoare triple {69#false} assume !!(~i~0 < ~N~0); {69#false} is VALID [2020-07-11 02:27:23,594 INFO L280 TraceCheckUtils]: 28: Hoare triple {69#false} SUMMARY for call #t~mem9 := read~int(~a~0.base, ~a~0.offset + 8 * ~i~0, 8); srcloc: L49 {69#false} is VALID [2020-07-11 02:27:23,595 INFO L263 TraceCheckUtils]: 29: Hoare triple {69#false} call __VERIFIER_assert((if #t~mem9 == ~i~0 * ~i~0 then 1 else 0)); {69#false} is VALID [2020-07-11 02:27:23,595 INFO L280 TraceCheckUtils]: 30: Hoare triple {69#false} ~cond := #in~cond; {69#false} is VALID [2020-07-11 02:27:23,595 INFO L280 TraceCheckUtils]: 31: Hoare triple {69#false} assume 0 == ~cond; {69#false} is VALID [2020-07-11 02:27:23,596 INFO L280 TraceCheckUtils]: 32: Hoare triple {69#false} assume !false; {69#false} is VALID [2020-07-11 02:27:23,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:27:23,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1204791030] [2020-07-11 02:27:23,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:27:23,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-11 02:27:23,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947724571] [2020-07-11 02:27:23,626 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-11 02:27:23,632 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:27:23,636 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-11 02:27:23,707 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:27:23,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-11 02:27:23,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:27:23,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-11 02:27:23,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-11 02:27:23,722 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 5 states. [2020-07-11 02:27:24,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:27:24,543 INFO L93 Difference]: Finished difference Result 131 states and 159 transitions. [2020-07-11 02:27:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-11 02:27:24,543 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-11 02:27:24,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:27:24,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 02:27:24,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 159 transitions. [2020-07-11 02:27:24,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 02:27:24,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 159 transitions. [2020-07-11 02:27:24,575 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 159 transitions. [2020-07-11 02:27:24,804 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 159 edges. 159 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:27:24,820 INFO L225 Difference]: With dead ends: 131 [2020-07-11 02:27:24,820 INFO L226 Difference]: Without dead ends: 72 [2020-07-11 02:27:24,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-11 02:27:24,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-07-11 02:27:24,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 62. [2020-07-11 02:27:24,969 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:27:24,969 INFO L82 GeneralOperation]: Start isEquivalent. First operand 72 states. Second operand 62 states. [2020-07-11 02:27:24,970 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 62 states. [2020-07-11 02:27:24,970 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 62 states. [2020-07-11 02:27:24,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:27:24,978 INFO L93 Difference]: Finished difference Result 72 states and 77 transitions. [2020-07-11 02:27:24,978 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 77 transitions. [2020-07-11 02:27:24,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:27:24,980 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:27:24,980 INFO L74 IsIncluded]: Start isIncluded. First operand 62 states. Second operand 72 states. [2020-07-11 02:27:24,980 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 72 states. [2020-07-11 02:27:24,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:27:24,987 INFO L93 Difference]: Finished difference Result 72 states and 77 transitions. [2020-07-11 02:27:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 77 transitions. [2020-07-11 02:27:24,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:27:24,988 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:27:24,988 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:27:24,989 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:27:24,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-07-11 02:27:24,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2020-07-11 02:27:24,995 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 33 [2020-07-11 02:27:24,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:27:24,995 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2020-07-11 02:27:24,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-11 02:27:24,996 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 62 states and 66 transitions. [2020-07-11 02:27:25,098 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:27:25,098 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2020-07-11 02:27:25,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-11 02:27:25,100 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:27:25,101 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 02:27:25,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 02:27:25,101 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:27:25,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:27:25,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1596799413, now seen corresponding path program 1 times [2020-07-11 02:27:25,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:27:25,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [547336306] [2020-07-11 02:27:25,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:27:25,132 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-07-11 02:27:25,132 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-07-11 02:27:25,132 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-11 02:27:25,141 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-11 02:27:25,162 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-11 02:27:25,162 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 02:27:25,162 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 02:27:25,162 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-11 02:27:25,162 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-11 02:27:25,163 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-11 02:27:25,163 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 02:27:25,163 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 02:27:25,163 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 02:27:25,163 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-11 02:27:25,163 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-11 02:27:25,163 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-11 02:27:25,163 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-11 02:27:25,164 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-11 02:27:25,164 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-11 02:27:25,164 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-11 02:27:25,164 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-11 02:27:25,164 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-11 02:27:25,164 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-11 02:27:25,164 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-11 02:27:25,165 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-11 02:27:25,165 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-11 02:27:25,165 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-11 02:27:25,165 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2020-07-11 02:27:25,165 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-11 02:27:25,165 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-11 02:27:25,165 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-11 02:27:25,166 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-11 02:27:25,166 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-11 02:27:25,166 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-11 02:27:25,166 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-11 02:27:25,166 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-11 02:27:25,166 WARN L170 areAnnotationChecker]: L49-2 has no Hoare annotation [2020-07-11 02:27:25,166 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-11 02:27:25,166 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-11 02:27:25,167 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-11 02:27:25,167 WARN L170 areAnnotationChecker]: L47-2 has no Hoare annotation [2020-07-11 02:27:25,167 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2020-07-11 02:27:25,167 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-11 02:27:25,167 WARN L170 areAnnotationChecker]: L47-3 has no Hoare annotation [2020-07-11 02:27:25,167 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-11 02:27:25,168 WARN L170 areAnnotationChecker]: L47-4 has no Hoare annotation [2020-07-11 02:27:25,168 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2020-07-11 02:27:25,168 WARN L170 areAnnotationChecker]: L47-5 has no Hoare annotation [2020-07-11 02:27:25,169 WARN L170 areAnnotationChecker]: L47-5 has no Hoare annotation [2020-07-11 02:27:25,170 WARN L170 areAnnotationChecker]: L47-5 has no Hoare annotation [2020-07-11 02:27:25,170 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-11 02:27:25,170 WARN L170 areAnnotationChecker]: L47-6 has no Hoare annotation [2020-07-11 02:27:25,171 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-11 02:27:25,171 WARN L170 areAnnotationChecker]: L29-6 has no Hoare annotation [2020-07-11 02:27:25,171 WARN L170 areAnnotationChecker]: L29-6 has no Hoare annotation [2020-07-11 02:27:25,171 WARN L170 areAnnotationChecker]: L29-6 has no Hoare annotation [2020-07-11 02:27:25,171 WARN L170 areAnnotationChecker]: L49-1 has no Hoare annotation [2020-07-11 02:27:25,171 WARN L170 areAnnotationChecker]: L49-1 has no Hoare annotation [2020-07-11 02:27:25,171 WARN L170 areAnnotationChecker]: L29-7 has no Hoare annotation [2020-07-11 02:27:25,172 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-11 02:27:25,172 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-11 02:27:25,172 WARN L170 areAnnotationChecker]: L38-5 has no Hoare annotation [2020-07-11 02:27:25,172 WARN L170 areAnnotationChecker]: L38-5 has no Hoare annotation [2020-07-11 02:27:25,172 WARN L170 areAnnotationChecker]: L38-5 has no Hoare annotation [2020-07-11 02:27:25,172 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-11 02:27:25,172 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-11 02:27:25,173 WARN L170 areAnnotationChecker]: L38-6 has no Hoare annotation [2020-07-11 02:27:25,173 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-11 02:27:25,173 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-11 02:27:25,173 WARN L170 areAnnotationChecker]: L29-3 has no Hoare annotation [2020-07-11 02:27:25,173 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2020-07-11 02:27:25,173 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2020-07-11 02:27:25,173 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-11 02:27:25,174 WARN L170 areAnnotationChecker]: L29-4 has no Hoare annotation [2020-07-11 02:27:25,174 WARN L170 areAnnotationChecker]: L34-2 has no Hoare annotation [2020-07-11 02:27:25,174 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-11 02:27:25,174 WARN L170 areAnnotationChecker]: L43-1 has no Hoare annotation [2020-07-11 02:27:25,174 WARN L170 areAnnotationChecker]: L29-5 has no Hoare annotation [2020-07-11 02:27:25,174 WARN L170 areAnnotationChecker]: L38-3 has no Hoare annotation [2020-07-11 02:27:25,174 WARN L170 areAnnotationChecker]: L43-2 has no Hoare annotation [2020-07-11 02:27:25,175 WARN L170 areAnnotationChecker]: L38-4 has no Hoare annotation [2020-07-11 02:27:25,175 WARN L170 areAnnotationChecker]: L43-3 has no Hoare annotation [2020-07-11 02:27:25,175 WARN L170 areAnnotationChecker]: L43-4 has no Hoare annotation [2020-07-11 02:27:25,175 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-11 02:27:25,181 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-07-11 02:27:25,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.07 02:27:25 BoogieIcfgContainer [2020-07-11 02:27:25,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-11 02:27:25,186 INFO L168 Benchmark]: Toolchain (without parser) took 3043.22 ms. Allocated memory was 145.2 MB in the beginning and 247.5 MB in the end (delta: 102.2 MB). Free memory was 103.1 MB in the beginning and 202.3 MB in the end (delta: -99.2 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-07-11 02:27:25,188 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 145.2 MB. Free memory is still 121.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-11 02:27:25,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.09 ms. Allocated memory is still 145.2 MB. Free memory was 103.1 MB in the beginning and 91.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2020-07-11 02:27:25,191 INFO L168 Benchmark]: Boogie Preprocessor took 150.60 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 91.6 MB in the beginning and 179.3 MB in the end (delta: -87.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-07-11 02:27:25,191 INFO L168 Benchmark]: RCFGBuilder took 546.07 ms. Allocated memory is still 201.9 MB. Free memory was 179.3 MB in the beginning and 149.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. [2020-07-11 02:27:25,193 INFO L168 Benchmark]: TraceAbstraction took 2047.26 ms. Allocated memory was 201.9 MB in the beginning and 247.5 MB in the end (delta: 45.6 MB). Free memory was 149.8 MB in the beginning and 202.3 MB in the end (delta: -52.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-11 02:27:25,199 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 145.2 MB. Free memory is still 121.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 289.09 ms. Allocated memory is still 145.2 MB. Free memory was 103.1 MB in the beginning and 91.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.60 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 91.6 MB in the beginning and 179.3 MB in the end (delta: -87.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 546.07 ms. Allocated memory is still 201.9 MB. Free memory was 179.3 MB in the beginning and 149.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2047.26 ms. Allocated memory was 201.9 MB in the beginning and 247.5 MB in the end (delta: 45.6 MB). Free memory was 149.8 MB in the beginning and 202.3 MB in the end (delta: -52.4 MB). There was no memory consumed. 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] i=0 [L29] COND TRUE i