/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/modsf.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 06:32:51,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 06:32:51,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 06:32:51,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 06:32:51,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 06:32:51,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 06:32:51,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 06:32:51,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 06:32:51,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 06:32:51,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 06:32:51,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 06:32:51,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 06:32:51,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 06:32:51,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 06:32:51,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 06:32:51,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 06:32:51,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 06:32:51,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 06:32:51,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 06:32:51,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 06:32:51,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 06:32:51,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 06:32:51,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 06:32:51,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 06:32:51,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 06:32:51,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 06:32:51,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 06:32:51,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 06:32:51,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 06:32:51,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-18 06:32:51,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 06:32:51,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 06:32:51,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 06:32:51,959 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 06:32:51,986 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 06:32:51,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 06:32:51,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 06:32:51,993 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 06:32:51,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 06:32:51,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 06:32:51,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 06:32:51,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 06:32:51,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 06:32:51,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 06:32:51,994 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 06:32:51,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 06:32:51,998 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 06:32:51,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 06:32:51,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 06:32:51,998 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 06:32:51,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 06:32:51,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 06:32:51,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 06:32:51,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 06:32:51,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 06:32:52,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 06:32:52,000 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 [2020-07-18 06:32:52,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 06:32:52,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 06:32:52,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 06:32:52,357 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 06:32:52,357 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 06:32:52,358 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/modsf.c [2020-07-18 06:32:52,430 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25c38940a/dc8f36f820ff49ba8e16a5cb955ad659/FLAG38a9eebb8 [2020-07-18 06:32:52,968 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 06:32:52,969 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/modsf.c [2020-07-18 06:32:52,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25c38940a/dc8f36f820ff49ba8e16a5cb955ad659/FLAG38a9eebb8 [2020-07-18 06:32:53,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25c38940a/dc8f36f820ff49ba8e16a5cb955ad659 [2020-07-18 06:32:53,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 06:32:53,318 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 06:32:53,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 06:32:53,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 06:32:53,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 06:32:53,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 06:32:53" (1/1) ... [2020-07-18 06:32:53,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55013baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:53, skipping insertion in model container [2020-07-18 06:32:53,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 06:32:53" (1/1) ... [2020-07-18 06:32:53,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 06:32:53,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 06:32:53,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 06:32:53,586 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 06:32:53,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 06:32:53,740 INFO L208 MainTranslator]: Completed translation [2020-07-18 06:32:53,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:53 WrapperNode [2020-07-18 06:32:53,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 06:32:53,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 06:32:53,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 06:32:53,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 06:32:53,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:53" (1/1) ... [2020-07-18 06:32:53,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:53" (1/1) ... [2020-07-18 06:32:53,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:53" (1/1) ... [2020-07-18 06:32:53,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:53" (1/1) ... [2020-07-18 06:32:53,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:53" (1/1) ... [2020-07-18 06:32:53,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:53" (1/1) ... [2020-07-18 06:32:53,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:53" (1/1) ... [2020-07-18 06:32:53,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 06:32:53,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 06:32:53,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 06:32:53,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 06:32:53,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:53" (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 06:32:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 06:32:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 06:32:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-18 06:32:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-18 06:32:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 06:32:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 06:32:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 06:32:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-18 06:32:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-18 06:32:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 06:32:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-18 06:32:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 06:32:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 06:32:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-18 06:32:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 06:32:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 06:32:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 06:32:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 06:32:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 06:32:54,520 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 06:32:54,520 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-18 06:32:54,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 06:32:54 BoogieIcfgContainer [2020-07-18 06:32:54,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 06:32:54,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 06:32:54,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 06:32:54,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 06:32:54,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 06:32:53" (1/3) ... [2020-07-18 06:32:54,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf93e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 06:32:54, skipping insertion in model container [2020-07-18 06:32:54,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:32:53" (2/3) ... [2020-07-18 06:32:54,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf93e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 06:32:54, skipping insertion in model container [2020-07-18 06:32:54,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 06:32:54" (3/3) ... [2020-07-18 06:32:54,540 INFO L109 eAbstractionObserver]: Analyzing ICFG modsf.c [2020-07-18 06:32:54,553 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 06:32:54,564 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 06:32:54,582 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 06:32:54,612 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 06:32:54,613 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 06:32:54,613 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 06:32:54,613 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 06:32:54,613 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 06:32:54,614 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 06:32:54,614 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 06:32:54,614 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 06:32:54,635 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2020-07-18 06:32:54,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-18 06:32:54,654 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:32:54,655 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] [2020-07-18 06:32:54,656 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:32:54,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:32:54,666 INFO L82 PathProgramCache]: Analyzing trace with hash 731228111, now seen corresponding path program 1 times [2020-07-18 06:32:54,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:32:54,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1850417712] [2020-07-18 06:32:54,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:32:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:32:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:32:54,957 INFO L280 TraceCheckUtils]: 0: Hoare triple {96#(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; {84#true} is VALID [2020-07-18 06:32:54,958 INFO L280 TraceCheckUtils]: 1: Hoare triple {84#true} #valid := #valid[0 := 0]; {84#true} is VALID [2020-07-18 06:32:54,959 INFO L280 TraceCheckUtils]: 2: Hoare triple {84#true} assume 0 < #StackHeapBarrier; {84#true} is VALID [2020-07-18 06:32:54,960 INFO L280 TraceCheckUtils]: 3: Hoare triple {84#true} ~N~0 := 0; {84#true} is VALID [2020-07-18 06:32:54,961 INFO L280 TraceCheckUtils]: 4: Hoare triple {84#true} assume true; {84#true} is VALID [2020-07-18 06:32:54,961 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {84#true} {84#true} #150#return; {84#true} is VALID [2020-07-18 06:32:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:32:54,973 INFO L280 TraceCheckUtils]: 0: Hoare triple {84#true} ~cond := #in~cond; {84#true} is VALID [2020-07-18 06:32:54,974 INFO L280 TraceCheckUtils]: 1: Hoare triple {84#true} assume !(0 == ~cond); {84#true} is VALID [2020-07-18 06:32:54,974 INFO L280 TraceCheckUtils]: 2: Hoare triple {84#true} assume true; {84#true} is VALID [2020-07-18 06:32:54,975 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {84#true} {84#true} #146#return; {84#true} is VALID [2020-07-18 06:32:54,977 INFO L263 TraceCheckUtils]: 0: Hoare triple {84#true} call ULTIMATE.init(); {96#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 06:32:54,978 INFO L280 TraceCheckUtils]: 1: Hoare triple {96#(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; {84#true} is VALID [2020-07-18 06:32:54,978 INFO L280 TraceCheckUtils]: 2: Hoare triple {84#true} #valid := #valid[0 := 0]; {84#true} is VALID [2020-07-18 06:32:54,979 INFO L280 TraceCheckUtils]: 3: Hoare triple {84#true} assume 0 < #StackHeapBarrier; {84#true} is VALID [2020-07-18 06:32:54,979 INFO L280 TraceCheckUtils]: 4: Hoare triple {84#true} ~N~0 := 0; {84#true} is VALID [2020-07-18 06:32:54,979 INFO L280 TraceCheckUtils]: 5: Hoare triple {84#true} assume true; {84#true} is VALID [2020-07-18 06:32:54,980 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {84#true} {84#true} #150#return; {84#true} is VALID [2020-07-18 06:32:54,980 INFO L263 TraceCheckUtils]: 7: Hoare triple {84#true} call #t~ret14 := main(); {84#true} is VALID [2020-07-18 06:32:54,981 INFO L280 TraceCheckUtils]: 8: Hoare triple {84#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {84#true} is VALID [2020-07-18 06:32:54,981 INFO L280 TraceCheckUtils]: 9: Hoare triple {84#true} ~N~0 := #t~nondet0; {84#true} is VALID [2020-07-18 06:32:54,981 INFO L280 TraceCheckUtils]: 10: Hoare triple {84#true} havoc #t~nondet0; {84#true} is VALID [2020-07-18 06:32:54,982 INFO L280 TraceCheckUtils]: 11: Hoare triple {84#true} assume !(~N~0 <= 0); {84#true} is VALID [2020-07-18 06:32:54,982 INFO L263 TraceCheckUtils]: 12: Hoare triple {84#true} call assume_abort_if_not((if ~N~0 <= 536870911 then 1 else 0)); {84#true} is VALID [2020-07-18 06:32:54,983 INFO L280 TraceCheckUtils]: 13: Hoare triple {84#true} ~cond := #in~cond; {84#true} is VALID [2020-07-18 06:32:54,983 INFO L280 TraceCheckUtils]: 14: Hoare triple {84#true} assume !(0 == ~cond); {84#true} is VALID [2020-07-18 06:32:54,984 INFO L280 TraceCheckUtils]: 15: Hoare triple {84#true} assume true; {84#true} is VALID [2020-07-18 06:32:54,984 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {84#true} {84#true} #146#return; {84#true} is VALID [2020-07-18 06:32:54,984 INFO L280 TraceCheckUtils]: 17: Hoare triple {84#true} havoc ~i~0; {84#true} is VALID [2020-07-18 06:32:54,985 INFO L280 TraceCheckUtils]: 18: Hoare triple {84#true} SUMMARY for call ~#sum~0.base, ~#sum~0.offset := #Ultimate.allocOnStack(8); srcloc: L26 {84#true} is VALID [2020-07-18 06:32:54,986 INFO L280 TraceCheckUtils]: 19: Hoare triple {84#true} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L26-1 {84#true} is VALID [2020-07-18 06:32:54,986 INFO L280 TraceCheckUtils]: 20: Hoare triple {84#true} ~a~0.base, ~a~0.offset := #t~malloc1.base, #t~malloc1.offset; {84#true} is VALID [2020-07-18 06:32:54,987 INFO L280 TraceCheckUtils]: 21: Hoare triple {84#true} SUMMARY for call write~int(0, ~#sum~0.base, ~#sum~0.offset, 8); srcloc: L29 {84#true} is VALID [2020-07-18 06:32:54,987 INFO L280 TraceCheckUtils]: 22: Hoare triple {84#true} ~i~0 := 0; {84#true} is VALID [2020-07-18 06:32:54,988 INFO L280 TraceCheckUtils]: 23: Hoare triple {84#true} assume !true; {85#false} is VALID [2020-07-18 06:32:54,989 INFO L280 TraceCheckUtils]: 24: Hoare triple {85#false} ~i~0 := 0; {85#false} is VALID [2020-07-18 06:32:54,989 INFO L280 TraceCheckUtils]: 25: Hoare triple {85#false} assume !true; {85#false} is VALID [2020-07-18 06:32:54,990 INFO L280 TraceCheckUtils]: 26: Hoare triple {85#false} ~i~0 := 0; {85#false} is VALID [2020-07-18 06:32:54,990 INFO L280 TraceCheckUtils]: 27: Hoare triple {85#false} assume !true; {85#false} is VALID [2020-07-18 06:32:54,991 INFO L280 TraceCheckUtils]: 28: Hoare triple {85#false} ~i~0 := 0; {85#false} is VALID [2020-07-18 06:32:54,991 INFO L280 TraceCheckUtils]: 29: Hoare triple {85#false} assume !true; {85#false} is VALID [2020-07-18 06:32:54,991 INFO L280 TraceCheckUtils]: 30: Hoare triple {85#false} ~i~0 := 0; {85#false} is VALID [2020-07-18 06:32:54,992 INFO L280 TraceCheckUtils]: 31: Hoare triple {85#false} assume !!(~i~0 < ~N~0); {85#false} is VALID [2020-07-18 06:32:54,992 INFO L280 TraceCheckUtils]: 32: Hoare triple {85#false} SUMMARY for call #t~mem13 := read~int(~a~0.base, ~a~0.offset + 8 * ~i~0, 8); srcloc: L52 {85#false} is VALID [2020-07-18 06:32:54,993 INFO L263 TraceCheckUtils]: 33: Hoare triple {85#false} call __VERIFIER_assert((if 1 == #t~mem13 then 1 else 0)); {85#false} is VALID [2020-07-18 06:32:54,993 INFO L280 TraceCheckUtils]: 34: Hoare triple {85#false} ~cond := #in~cond; {85#false} is VALID [2020-07-18 06:32:54,994 INFO L280 TraceCheckUtils]: 35: Hoare triple {85#false} assume 0 == ~cond; {85#false} is VALID [2020-07-18 06:32:54,994 INFO L280 TraceCheckUtils]: 36: Hoare triple {85#false} assume !false; {85#false} is VALID [2020-07-18 06:32:55,002 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 06:32:55,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1850417712] [2020-07-18 06:32:55,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:32:55,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 06:32:55,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099069259] [2020-07-18 06:32:55,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-07-18 06:32:55,024 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:32:55,029 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 06:32:55,109 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:32:55,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 06:32:55,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:32:55,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 06:32:55,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 06:32:55,122 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 3 states. [2020-07-18 06:32:55,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:32:55,739 INFO L93 Difference]: Finished difference Result 145 states and 168 transitions. [2020-07-18 06:32:55,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 06:32:55,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-07-18 06:32:55,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:32:55,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 06:32:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 168 transitions. [2020-07-18 06:32:55,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 06:32:55,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 168 transitions. [2020-07-18 06:32:55,766 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 168 transitions. [2020-07-18 06:32:55,983 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 168 edges. 168 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:32:56,002 INFO L225 Difference]: With dead ends: 145 [2020-07-18 06:32:56,002 INFO L226 Difference]: Without dead ends: 72 [2020-07-18 06:32:56,008 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 06:32:56,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-07-18 06:32:56,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-07-18 06:32:56,165 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:32:56,165 INFO L82 GeneralOperation]: Start isEquivalent. First operand 72 states. Second operand 72 states. [2020-07-18 06:32:56,166 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 72 states. [2020-07-18 06:32:56,167 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 72 states. [2020-07-18 06:32:56,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:32:56,185 INFO L93 Difference]: Finished difference Result 72 states and 76 transitions. [2020-07-18 06:32:56,185 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2020-07-18 06:32:56,187 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:32:56,187 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:32:56,187 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 72 states. [2020-07-18 06:32:56,188 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 72 states. [2020-07-18 06:32:56,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:32:56,207 INFO L93 Difference]: Finished difference Result 72 states and 76 transitions. [2020-07-18 06:32:56,207 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2020-07-18 06:32:56,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:32:56,211 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:32:56,212 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:32:56,221 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:32:56,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-18 06:32:56,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 76 transitions. [2020-07-18 06:32:56,237 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 76 transitions. Word has length 37 [2020-07-18 06:32:56,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:32:56,239 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 76 transitions. [2020-07-18 06:32:56,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 06:32:56,239 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 72 states and 76 transitions. [2020-07-18 06:32:56,357 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:32:56,358 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2020-07-18 06:32:56,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-18 06:32:56,361 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:32:56,361 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] [2020-07-18 06:32:56,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 06:32:56,362 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:32:56,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:32:56,363 INFO L82 PathProgramCache]: Analyzing trace with hash 681190783, now seen corresponding path program 1 times [2020-07-18 06:32:56,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:32:56,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [166477564] [2020-07-18 06:32:56,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:32:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:32:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:32:56,537 INFO L280 TraceCheckUtils]: 0: Hoare triple {691#(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; {677#true} is VALID [2020-07-18 06:32:56,538 INFO L280 TraceCheckUtils]: 1: Hoare triple {677#true} #valid := #valid[0 := 0]; {677#true} is VALID [2020-07-18 06:32:56,538 INFO L280 TraceCheckUtils]: 2: Hoare triple {677#true} assume 0 < #StackHeapBarrier; {677#true} is VALID [2020-07-18 06:32:56,539 INFO L280 TraceCheckUtils]: 3: Hoare triple {677#true} ~N~0 := 0; {677#true} is VALID [2020-07-18 06:32:56,539 INFO L280 TraceCheckUtils]: 4: Hoare triple {677#true} assume true; {677#true} is VALID [2020-07-18 06:32:56,539 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {677#true} {677#true} #150#return; {677#true} is VALID [2020-07-18 06:32:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:32:56,550 INFO L280 TraceCheckUtils]: 0: Hoare triple {677#true} ~cond := #in~cond; {677#true} is VALID [2020-07-18 06:32:56,551 INFO L280 TraceCheckUtils]: 1: Hoare triple {677#true} assume !(0 == ~cond); {677#true} is VALID [2020-07-18 06:32:56,551 INFO L280 TraceCheckUtils]: 2: Hoare triple {677#true} assume true; {677#true} is VALID [2020-07-18 06:32:56,553 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {677#true} {685#(<= 1 ~N~0)} #146#return; {685#(<= 1 ~N~0)} is VALID [2020-07-18 06:32:56,555 INFO L263 TraceCheckUtils]: 0: Hoare triple {677#true} call ULTIMATE.init(); {691#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 06:32:56,556 INFO L280 TraceCheckUtils]: 1: Hoare triple {691#(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; {677#true} is VALID [2020-07-18 06:32:56,556 INFO L280 TraceCheckUtils]: 2: Hoare triple {677#true} #valid := #valid[0 := 0]; {677#true} is VALID [2020-07-18 06:32:56,557 INFO L280 TraceCheckUtils]: 3: Hoare triple {677#true} assume 0 < #StackHeapBarrier; {677#true} is VALID [2020-07-18 06:32:56,557 INFO L280 TraceCheckUtils]: 4: Hoare triple {677#true} ~N~0 := 0; {677#true} is VALID [2020-07-18 06:32:56,558 INFO L280 TraceCheckUtils]: 5: Hoare triple {677#true} assume true; {677#true} is VALID [2020-07-18 06:32:56,558 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {677#true} {677#true} #150#return; {677#true} is VALID [2020-07-18 06:32:56,558 INFO L263 TraceCheckUtils]: 7: Hoare triple {677#true} call #t~ret14 := main(); {677#true} is VALID [2020-07-18 06:32:56,559 INFO L280 TraceCheckUtils]: 8: Hoare triple {677#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {677#true} is VALID [2020-07-18 06:32:56,559 INFO L280 TraceCheckUtils]: 9: Hoare triple {677#true} ~N~0 := #t~nondet0; {677#true} is VALID [2020-07-18 06:32:56,560 INFO L280 TraceCheckUtils]: 10: Hoare triple {677#true} havoc #t~nondet0; {677#true} is VALID [2020-07-18 06:32:56,561 INFO L280 TraceCheckUtils]: 11: Hoare triple {677#true} assume !(~N~0 <= 0); {685#(<= 1 ~N~0)} is VALID [2020-07-18 06:32:56,561 INFO L263 TraceCheckUtils]: 12: Hoare triple {685#(<= 1 ~N~0)} call assume_abort_if_not((if ~N~0 <= 536870911 then 1 else 0)); {677#true} is VALID [2020-07-18 06:32:56,562 INFO L280 TraceCheckUtils]: 13: Hoare triple {677#true} ~cond := #in~cond; {677#true} is VALID [2020-07-18 06:32:56,562 INFO L280 TraceCheckUtils]: 14: Hoare triple {677#true} assume !(0 == ~cond); {677#true} is VALID [2020-07-18 06:32:56,563 INFO L280 TraceCheckUtils]: 15: Hoare triple {677#true} assume true; {677#true} is VALID [2020-07-18 06:32:56,564 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {677#true} {685#(<= 1 ~N~0)} #146#return; {685#(<= 1 ~N~0)} is VALID [2020-07-18 06:32:56,565 INFO L280 TraceCheckUtils]: 17: Hoare triple {685#(<= 1 ~N~0)} havoc ~i~0; {685#(<= 1 ~N~0)} is VALID [2020-07-18 06:32:56,566 INFO L280 TraceCheckUtils]: 18: Hoare triple {685#(<= 1 ~N~0)} SUMMARY for call ~#sum~0.base, ~#sum~0.offset := #Ultimate.allocOnStack(8); srcloc: L26 {685#(<= 1 ~N~0)} is VALID [2020-07-18 06:32:56,567 INFO L280 TraceCheckUtils]: 19: Hoare triple {685#(<= 1 ~N~0)} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L26-1 {685#(<= 1 ~N~0)} is VALID [2020-07-18 06:32:56,568 INFO L280 TraceCheckUtils]: 20: Hoare triple {685#(<= 1 ~N~0)} ~a~0.base, ~a~0.offset := #t~malloc1.base, #t~malloc1.offset; {685#(<= 1 ~N~0)} is VALID [2020-07-18 06:32:56,569 INFO L280 TraceCheckUtils]: 21: Hoare triple {685#(<= 1 ~N~0)} SUMMARY for call write~int(0, ~#sum~0.base, ~#sum~0.offset, 8); srcloc: L29 {685#(<= 1 ~N~0)} is VALID [2020-07-18 06:32:56,570 INFO L280 TraceCheckUtils]: 22: Hoare triple {685#(<= 1 ~N~0)} ~i~0 := 0; {690#(and (= 0 main_~i~0) (<= 1 ~N~0))} is VALID [2020-07-18 06:32:56,571 INFO L280 TraceCheckUtils]: 23: Hoare triple {690#(and (= 0 main_~i~0) (<= 1 ~N~0))} assume !(~i~0 < ~N~0); {678#false} is VALID [2020-07-18 06:32:56,571 INFO L280 TraceCheckUtils]: 24: Hoare triple {678#false} ~i~0 := 0; {678#false} is VALID [2020-07-18 06:32:56,572 INFO L280 TraceCheckUtils]: 25: Hoare triple {678#false} assume !(~i~0 < ~N~0); {678#false} is VALID [2020-07-18 06:32:56,572 INFO L280 TraceCheckUtils]: 26: Hoare triple {678#false} ~i~0 := 0; {678#false} is VALID [2020-07-18 06:32:56,572 INFO L280 TraceCheckUtils]: 27: Hoare triple {678#false} assume !(~i~0 < ~N~0); {678#false} is VALID [2020-07-18 06:32:56,573 INFO L280 TraceCheckUtils]: 28: Hoare triple {678#false} ~i~0 := 0; {678#false} is VALID [2020-07-18 06:32:56,573 INFO L280 TraceCheckUtils]: 29: Hoare triple {678#false} assume !(~i~0 < ~N~0); {678#false} is VALID [2020-07-18 06:32:56,574 INFO L280 TraceCheckUtils]: 30: Hoare triple {678#false} ~i~0 := 0; {678#false} is VALID [2020-07-18 06:32:56,574 INFO L280 TraceCheckUtils]: 31: Hoare triple {678#false} assume !!(~i~0 < ~N~0); {678#false} is VALID [2020-07-18 06:32:56,574 INFO L280 TraceCheckUtils]: 32: Hoare triple {678#false} SUMMARY for call #t~mem13 := read~int(~a~0.base, ~a~0.offset + 8 * ~i~0, 8); srcloc: L52 {678#false} is VALID [2020-07-18 06:32:56,575 INFO L263 TraceCheckUtils]: 33: Hoare triple {678#false} call __VERIFIER_assert((if 1 == #t~mem13 then 1 else 0)); {678#false} is VALID [2020-07-18 06:32:56,575 INFO L280 TraceCheckUtils]: 34: Hoare triple {678#false} ~cond := #in~cond; {678#false} is VALID [2020-07-18 06:32:56,576 INFO L280 TraceCheckUtils]: 35: Hoare triple {678#false} assume 0 == ~cond; {678#false} is VALID [2020-07-18 06:32:56,576 INFO L280 TraceCheckUtils]: 36: Hoare triple {678#false} assume !false; {678#false} is VALID [2020-07-18 06:32:56,580 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 06:32:56,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [166477564] [2020-07-18 06:32:56,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:32:56,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-18 06:32:56,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940445886] [2020-07-18 06:32:56,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-07-18 06:32:56,584 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:32:56,584 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-18 06:32:56,651 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:32:56,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-18 06:32:56,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:32:56,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-18 06:32:56,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-18 06:32:56,652 INFO L87 Difference]: Start difference. First operand 72 states and 76 transitions. Second operand 5 states. [2020-07-18 06:32:57,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:32:57,545 INFO L93 Difference]: Finished difference Result 150 states and 162 transitions. [2020-07-18 06:32:57,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-18 06:32:57,546 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-07-18 06:32:57,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:32:57,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 06:32:57,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 162 transitions. [2020-07-18 06:32:57,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 06:32:57,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 162 transitions. [2020-07-18 06:32:57,558 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 162 transitions. [2020-07-18 06:32:57,783 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 162 edges. 162 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:32:57,789 INFO L225 Difference]: With dead ends: 150 [2020-07-18 06:32:57,789 INFO L226 Difference]: Without dead ends: 106 [2020-07-18 06:32:57,791 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 [2020-07-18 06:32:57,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-07-18 06:32:57,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 76. [2020-07-18 06:32:57,928 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:32:57,928 INFO L82 GeneralOperation]: Start isEquivalent. First operand 106 states. Second operand 76 states. [2020-07-18 06:32:57,928 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 76 states. [2020-07-18 06:32:57,929 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 76 states. [2020-07-18 06:32:57,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:32:57,936 INFO L93 Difference]: Finished difference Result 106 states and 111 transitions. [2020-07-18 06:32:57,937 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2020-07-18 06:32:57,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:32:57,938 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:32:57,938 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 106 states. [2020-07-18 06:32:57,938 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 106 states. [2020-07-18 06:32:57,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:32:57,945 INFO L93 Difference]: Finished difference Result 106 states and 111 transitions. [2020-07-18 06:32:57,945 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2020-07-18 06:32:57,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:32:57,946 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:32:57,947 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:32:57,947 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:32:57,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-18 06:32:57,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 80 transitions. [2020-07-18 06:32:57,951 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 80 transitions. Word has length 37 [2020-07-18 06:32:57,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:32:57,951 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 80 transitions. [2020-07-18 06:32:57,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-18 06:32:57,952 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 76 states and 80 transitions. [2020-07-18 06:32:58,066 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:32:58,066 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2020-07-18 06:32:58,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-18 06:32:58,071 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:32:58,071 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, 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 06:32:58,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 06:32:58,072 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:32:58,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:32:58,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1093467533, now seen corresponding path program 1 times [2020-07-18 06:32:58,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:32:58,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1253951646] [2020-07-18 06:32:58,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:32:58,104 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-07-18 06:32:58,104 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-07-18 06:32:58,104 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 06:32:58,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 06:32:58,130 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-18 06:32:58,130 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 06:32:58,130 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 06:32:58,130 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-18 06:32:58,130 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 06:32:58,131 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-18 06:32:58,131 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 06:32:58,131 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 06:32:58,131 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 06:32:58,131 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-18 06:32:58,131 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-18 06:32:58,131 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-18 06:32:58,132 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-18 06:32:58,132 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-18 06:32:58,132 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-18 06:32:58,132 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 06:32:58,133 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-18 06:32:58,133 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-18 06:32:58,133 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-18 06:32:58,133 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-18 06:32:58,133 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-18 06:32:58,134 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-18 06:32:58,134 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-18 06:32:58,134 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2020-07-18 06:32:58,134 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-18 06:32:58,134 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-18 06:32:58,134 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-18 06:32:58,134 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 06:32:58,135 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-18 06:32:58,135 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-18 06:32:58,135 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-18 06:32:58,135 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-18 06:32:58,135 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-18 06:32:58,135 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 06:32:58,135 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-18 06:32:58,136 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 06:32:58,136 WARN L170 areAnnotationChecker]: L50-2 has no Hoare annotation [2020-07-18 06:32:58,136 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2020-07-18 06:32:58,136 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 06:32:58,136 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2020-07-18 06:32:58,136 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-18 06:32:58,136 WARN L170 areAnnotationChecker]: L50-4 has no Hoare annotation [2020-07-18 06:32:58,136 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-18 06:32:58,137 WARN L170 areAnnotationChecker]: L50-5 has no Hoare annotation [2020-07-18 06:32:58,137 WARN L170 areAnnotationChecker]: L50-5 has no Hoare annotation [2020-07-18 06:32:58,137 WARN L170 areAnnotationChecker]: L50-5 has no Hoare annotation [2020-07-18 06:32:58,137 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-18 06:32:58,137 WARN L170 areAnnotationChecker]: L50-6 has no Hoare annotation [2020-07-18 06:32:58,137 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-18 06:32:58,137 WARN L170 areAnnotationChecker]: L30-4 has no Hoare annotation [2020-07-18 06:32:58,137 WARN L170 areAnnotationChecker]: L30-4 has no Hoare annotation [2020-07-18 06:32:58,138 WARN L170 areAnnotationChecker]: L30-4 has no Hoare annotation [2020-07-18 06:32:58,138 WARN L170 areAnnotationChecker]: L26-2 has no Hoare annotation [2020-07-18 06:32:58,138 WARN L170 areAnnotationChecker]: L52-1 has no Hoare annotation [2020-07-18 06:32:58,138 WARN L170 areAnnotationChecker]: L52-1 has no Hoare annotation [2020-07-18 06:32:58,138 WARN L170 areAnnotationChecker]: L30-5 has no Hoare annotation [2020-07-18 06:32:58,138 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-18 06:32:58,138 WARN L170 areAnnotationChecker]: L26-3 has no Hoare annotation [2020-07-18 06:32:58,138 WARN L170 areAnnotationChecker]: L35-5 has no Hoare annotation [2020-07-18 06:32:58,139 WARN L170 areAnnotationChecker]: L35-5 has no Hoare annotation [2020-07-18 06:32:58,139 WARN L170 areAnnotationChecker]: L35-5 has no Hoare annotation [2020-07-18 06:32:58,139 WARN L170 areAnnotationChecker]: L32-1 has no Hoare annotation [2020-07-18 06:32:58,139 WARN L170 areAnnotationChecker]: L35-6 has no Hoare annotation [2020-07-18 06:32:58,139 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-18 06:32:58,139 WARN L170 areAnnotationChecker]: L30-2 has no Hoare annotation [2020-07-18 06:32:58,139 WARN L170 areAnnotationChecker]: L40-5 has no Hoare annotation [2020-07-18 06:32:58,140 WARN L170 areAnnotationChecker]: L40-5 has no Hoare annotation [2020-07-18 06:32:58,140 WARN L170 areAnnotationChecker]: L40-5 has no Hoare annotation [2020-07-18 06:32:58,140 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2020-07-18 06:32:58,140 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2020-07-18 06:32:58,140 WARN L170 areAnnotationChecker]: L40-6 has no Hoare annotation [2020-07-18 06:32:58,140 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-18 06:32:58,140 WARN L170 areAnnotationChecker]: L37-2 has no Hoare annotation [2020-07-18 06:32:58,140 WARN L170 areAnnotationChecker]: L45-5 has no Hoare annotation [2020-07-18 06:32:58,141 WARN L170 areAnnotationChecker]: L45-5 has no Hoare annotation [2020-07-18 06:32:58,141 WARN L170 areAnnotationChecker]: L45-5 has no Hoare annotation [2020-07-18 06:32:58,141 WARN L170 areAnnotationChecker]: L42-1 has no Hoare annotation [2020-07-18 06:32:58,141 WARN L170 areAnnotationChecker]: L37-3 has no Hoare annotation [2020-07-18 06:32:58,141 WARN L170 areAnnotationChecker]: L45-6 has no Hoare annotation [2020-07-18 06:32:58,141 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-18 06:32:58,141 WARN L170 areAnnotationChecker]: L42-2 has no Hoare annotation [2020-07-18 06:32:58,141 WARN L170 areAnnotationChecker]: L37-4 has no Hoare annotation [2020-07-18 06:32:58,142 WARN L170 areAnnotationChecker]: L47-1 has no Hoare annotation [2020-07-18 06:32:58,142 WARN L170 areAnnotationChecker]: L42-3 has no Hoare annotation [2020-07-18 06:32:58,142 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2020-07-18 06:32:58,142 WARN L170 areAnnotationChecker]: L47-2 has no Hoare annotation [2020-07-18 06:32:58,142 WARN L170 areAnnotationChecker]: L42-4 has no Hoare annotation [2020-07-18 06:32:58,142 WARN L170 areAnnotationChecker]: L35-3 has no Hoare annotation [2020-07-18 06:32:58,142 WARN L170 areAnnotationChecker]: L47-3 has no Hoare annotation [2020-07-18 06:32:58,142 WARN L170 areAnnotationChecker]: L40-2 has no Hoare annotation [2020-07-18 06:32:58,143 WARN L170 areAnnotationChecker]: L35-4 has no Hoare annotation [2020-07-18 06:32:58,143 WARN L170 areAnnotationChecker]: L47-4 has no Hoare annotation [2020-07-18 06:32:58,143 WARN L170 areAnnotationChecker]: L40-3 has no Hoare annotation [2020-07-18 06:32:58,143 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2020-07-18 06:32:58,143 WARN L170 areAnnotationChecker]: L40-4 has no Hoare annotation [2020-07-18 06:32:58,143 WARN L170 areAnnotationChecker]: L45-3 has no Hoare annotation [2020-07-18 06:32:58,143 WARN L170 areAnnotationChecker]: L45-4 has no Hoare annotation [2020-07-18 06:32:58,143 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 06:32:58,148 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-07-18 06:32:58,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 06:32:58 BoogieIcfgContainer [2020-07-18 06:32:58,148 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 06:32:58,156 INFO L168 Benchmark]: Toolchain (without parser) took 4834.48 ms. Allocated memory was 138.4 MB in the beginning and 246.4 MB in the end (delta: 108.0 MB). Free memory was 103.6 MB in the beginning and 162.2 MB in the end (delta: -58.6 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. [2020-07-18 06:32:58,159 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 06:32:58,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.69 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 103.2 MB in the beginning and 183.0 MB in the end (delta: -79.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-07-18 06:32:58,161 INFO L168 Benchmark]: Boogie Preprocessor took 57.08 ms. Allocated memory is still 203.9 MB. Free memory was 183.0 MB in the beginning and 180.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-07-18 06:32:58,161 INFO L168 Benchmark]: RCFGBuilder took 728.49 ms. Allocated memory is still 203.9 MB. Free memory was 180.6 MB in the beginning and 145.5 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2020-07-18 06:32:58,163 INFO L168 Benchmark]: TraceAbstraction took 3619.71 ms. Allocated memory was 203.9 MB in the beginning and 246.4 MB in the end (delta: 42.5 MB). Free memory was 145.5 MB in the beginning and 162.2 MB in the end (delta: -16.8 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-07-18 06:32:58,166 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 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 421.69 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 103.2 MB in the beginning and 183.0 MB in the end (delta: -79.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.08 ms. Allocated memory is still 203.9 MB. Free memory was 183.0 MB in the beginning and 180.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 728.49 ms. Allocated memory is still 203.9 MB. Free memory was 180.6 MB in the beginning and 145.5 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3619.71 ms. Allocated memory was 203.9 MB in the beginning and 246.4 MB in the end (delta: 42.5 MB). Free memory was 145.5 MB in the beginning and 162.2 MB in the end (delta: -16.8 MB). Peak memory consumption was 25.7 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 sum[1]; [L27] long long *a = malloc(sizeof(long long)*N); [L29] sum[0] = 0 [L30] i=0 [L30] COND TRUE i