/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/sumt2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 12:47:56,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 12:47:56,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 12:47:56,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 12:47:56,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 12:47:56,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 12:47:56,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 12:47:56,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 12:47:56,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 12:47:56,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 12:47:56,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 12:47:56,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 12:47:56,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 12:47:56,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 12:47:56,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 12:47:56,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 12:47:56,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 12:47:56,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 12:47:56,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 12:47:56,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 12:47:56,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 12:47:56,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 12:47:56,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 12:47:56,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 12:47:56,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 12:47:56,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 12:47:56,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 12:47:56,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 12:47:56,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 12:47:56,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 12:47:56,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 12:47:56,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 12:47:56,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 12:47:56,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 12:47:56,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 12:47:56,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 12:47:56,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 12:47:56,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 12:47:56,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 12:47:56,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 12:47:56,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 12:47:56,830 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-08 12:47:56,846 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 12:47:56,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 12:47:56,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-08 12:47:56,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-08 12:47:56,849 INFO L138 SettingsManager]: * Use SBE=true [2020-07-08 12:47:56,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 12:47:56,849 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 12:47:56,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 12:47:56,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 12:47:56,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 12:47:56,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 12:47:56,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 12:47:56,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 12:47:56,850 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 12:47:56,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 12:47:56,851 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 12:47:56,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 12:47:56,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 12:47:56,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-08 12:47:56,852 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 12:47:56,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 12:47:56,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 12:47:56,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 12:47:56,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-08 12:47:56,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-08 12:47:56,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-08 12:47:56,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-08 12:47:56,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 12:47:56,853 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-08 12:47:56,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-08 12:47:57,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 12:47:57,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 12:47:57,188 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 12:47:57,190 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 12:47:57,190 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 12:47:57,191 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/sumt2.c [2020-07-08 12:47:57,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ef26165d/d5af91fd0a8e4288909091b08eb3025f/FLAGf96f56411 [2020-07-08 12:47:57,758 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 12:47:57,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt2.c [2020-07-08 12:47:57,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ef26165d/d5af91fd0a8e4288909091b08eb3025f/FLAGf96f56411 [2020-07-08 12:47:58,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ef26165d/d5af91fd0a8e4288909091b08eb3025f [2020-07-08 12:47:58,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 12:47:58,138 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 12:47:58,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 12:47:58,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 12:47:58,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 12:47:58,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:47:58" (1/1) ... [2020-07-08 12:47:58,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f338ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:58, skipping insertion in model container [2020-07-08 12:47:58,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:47:58" (1/1) ... [2020-07-08 12:47:58,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 12:47:58,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 12:47:58,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:47:58,378 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 12:47:58,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:47:58,413 INFO L208 MainTranslator]: Completed translation [2020-07-08 12:47:58,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:58 WrapperNode [2020-07-08 12:47:58,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 12:47:58,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 12:47:58,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 12:47:58,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 12:47:58,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:58" (1/1) ... [2020-07-08 12:47:58,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:58" (1/1) ... [2020-07-08 12:47:58,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:58" (1/1) ... [2020-07-08 12:47:58,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:58" (1/1) ... [2020-07-08 12:47:58,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:58" (1/1) ... [2020-07-08 12:47:58,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:58" (1/1) ... [2020-07-08 12:47:58,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:58" (1/1) ... [2020-07-08 12:47:58,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 12:47:58,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 12:47:58,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 12:47:58,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 12:47:58,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:58" (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 [2020-07-08 12:47:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 12:47:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 12:47:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-08 12:47:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-08 12:47:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 12:47:58,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 12:47:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 12:47:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-08 12:47:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 12:47:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 12:47:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 12:47:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 12:47:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 12:47:58,911 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 12:47:58,911 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-08 12:47:58,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:47:58 BoogieIcfgContainer [2020-07-08 12:47:58,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 12:47:58,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 12:47:58,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 12:47:58,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 12:47:58,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 12:47:58" (1/3) ... [2020-07-08 12:47:58,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40af7df1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:47:58, skipping insertion in model container [2020-07-08 12:47:58,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:58" (2/3) ... [2020-07-08 12:47:58,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40af7df1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:47:58, skipping insertion in model container [2020-07-08 12:47:58,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:47:58" (3/3) ... [2020-07-08 12:47:58,929 INFO L109 eAbstractionObserver]: Analyzing ICFG sumt2.c [2020-07-08 12:47:58,943 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-08 12:47:58,953 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 12:47:58,972 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 12:47:58,999 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 12:47:58,999 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 12:47:58,999 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-08 12:47:59,000 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 12:47:59,000 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 12:47:59,000 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 12:47:59,000 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 12:47:59,000 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 12:47:59,022 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-07-08 12:47:59,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-08 12:47:59,029 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:47:59,030 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:47:59,031 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:47:59,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:47:59,038 INFO L82 PathProgramCache]: Analyzing trace with hash -647006370, now seen corresponding path program 1 times [2020-07-08 12:47:59,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:47:59,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285718476] [2020-07-08 12:47:59,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:47:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:59,224 INFO L280 TraceCheckUtils]: 0: Hoare triple {30#(= ~SIZE~0 |old(~SIZE~0)|)} ~SIZE~0 := 20000001; {25#true} is VALID [2020-07-08 12:47:59,225 INFO L280 TraceCheckUtils]: 1: Hoare triple {25#true} assume true; {25#true} is VALID [2020-07-08 12:47:59,225 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {25#true} {25#true} #52#return; {25#true} is VALID [2020-07-08 12:47:59,229 INFO L263 TraceCheckUtils]: 0: Hoare triple {25#true} call ULTIMATE.init(); {30#(= ~SIZE~0 |old(~SIZE~0)|)} is VALID [2020-07-08 12:47:59,229 INFO L280 TraceCheckUtils]: 1: Hoare triple {30#(= ~SIZE~0 |old(~SIZE~0)|)} ~SIZE~0 := 20000001; {25#true} is VALID [2020-07-08 12:47:59,230 INFO L280 TraceCheckUtils]: 2: Hoare triple {25#true} assume true; {25#true} is VALID [2020-07-08 12:47:59,230 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {25#true} {25#true} #52#return; {25#true} is VALID [2020-07-08 12:47:59,231 INFO L263 TraceCheckUtils]: 4: Hoare triple {25#true} call #t~ret1 := main(); {25#true} is VALID [2020-07-08 12:47:59,231 INFO L280 TraceCheckUtils]: 5: Hoare triple {25#true} havoc ~n~0;havoc ~i~0;havoc ~j~0;~l~0 := 0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~n~0 := #t~nondet0;havoc #t~nondet0; {25#true} is VALID [2020-07-08 12:47:59,232 INFO L280 TraceCheckUtils]: 6: Hoare triple {25#true} assume !!(~n~0 % 4294967296 <= ~SIZE~0 % 4294967296);~i~0 := 0;~j~0 := 0;~l~0 := 0; {25#true} is VALID [2020-07-08 12:47:59,237 INFO L280 TraceCheckUtils]: 7: Hoare triple {25#true} assume !true; {26#false} is VALID [2020-07-08 12:47:59,237 INFO L263 TraceCheckUtils]: 8: Hoare triple {26#false} call __VERIFIER_assert((if (~i~0 + ~j~0) % 4294967296 == ~l~0 % 4294967296 then 1 else 0)); {26#false} is VALID [2020-07-08 12:47:59,238 INFO L280 TraceCheckUtils]: 9: Hoare triple {26#false} ~cond := #in~cond; {26#false} is VALID [2020-07-08 12:47:59,238 INFO L280 TraceCheckUtils]: 10: Hoare triple {26#false} assume 0 == ~cond; {26#false} is VALID [2020-07-08 12:47:59,238 INFO L280 TraceCheckUtils]: 11: Hoare triple {26#false} assume !false; {26#false} is VALID [2020-07-08 12:47:59,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:47:59,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285718476] [2020-07-08 12:47:59,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:47:59,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 12:47:59,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066464595] [2020-07-08 12:47:59,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-08 12:47:59,253 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:47:59,257 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 12:47:59,310 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:59,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 12:47:59,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:47:59,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 12:47:59,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 12:47:59,326 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2020-07-08 12:47:59,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:59,455 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2020-07-08 12:47:59,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 12:47:59,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-08 12:47:59,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:47:59,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 12:47:59,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2020-07-08 12:47:59,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 12:47:59,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2020-07-08 12:47:59,475 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 39 transitions. [2020-07-08 12:47:59,558 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:59,571 INFO L225 Difference]: With dead ends: 34 [2020-07-08 12:47:59,571 INFO L226 Difference]: Without dead ends: 15 [2020-07-08 12:47:59,575 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 12:47:59,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-07-08 12:47:59,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-07-08 12:47:59,622 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:47:59,622 INFO L82 GeneralOperation]: Start isEquivalent. First operand 15 states. Second operand 15 states. [2020-07-08 12:47:59,623 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2020-07-08 12:47:59,623 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2020-07-08 12:47:59,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:59,627 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2020-07-08 12:47:59,627 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2020-07-08 12:47:59,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:59,628 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:59,628 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2020-07-08 12:47:59,628 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2020-07-08 12:47:59,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:59,632 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2020-07-08 12:47:59,632 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2020-07-08 12:47:59,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:59,633 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:59,633 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:47:59,633 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:47:59,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-08 12:47:59,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2020-07-08 12:47:59,637 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2020-07-08 12:47:59,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:47:59,638 INFO L479 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2020-07-08 12:47:59,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 12:47:59,638 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2020-07-08 12:47:59,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-08 12:47:59,639 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:47:59,639 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:47:59,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 12:47:59,640 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:47:59,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:47:59,641 INFO L82 PathProgramCache]: Analyzing trace with hash -657165101, now seen corresponding path program 1 times [2020-07-08 12:47:59,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:47:59,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831252851] [2020-07-08 12:47:59,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:47:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:59,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 12:47:59,713 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.ProofTermGenerator.convert(ProofTermGenerator.java:150) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:799) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:883) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:337) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:239) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-08 12:47:59,723 INFO L168 Benchmark]: Toolchain (without parser) took 1584.01 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 100.6 MB in the beginning and 114.7 MB in the end (delta: -14.1 MB). Peak memory consumption was 50.4 MB. Max. memory is 7.1 GB. [2020-07-08 12:47:59,725 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 12:47:59,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.18 ms. Allocated memory is still 137.4 MB. Free memory was 100.4 MB in the beginning and 90.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-08 12:47:59,729 INFO L168 Benchmark]: Boogie Preprocessor took 134.08 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 90.1 MB in the beginning and 180.0 MB in the end (delta: -89.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2020-07-08 12:47:59,730 INFO L168 Benchmark]: RCFGBuilder took 366.27 ms. Allocated memory is still 201.9 MB. Free memory was 180.0 MB in the beginning and 163.4 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2020-07-08 12:47:59,731 INFO L168 Benchmark]: TraceAbstraction took 801.26 ms. Allocated memory is still 201.9 MB. Free memory was 162.8 MB in the beginning and 114.7 MB in the end (delta: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. [2020-07-08 12:47:59,744 INFO L336 ainManager$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 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 275.18 ms. Allocated memory is still 137.4 MB. Free memory was 100.4 MB in the beginning and 90.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.08 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 90.1 MB in the beginning and 180.0 MB in the end (delta: -89.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 366.27 ms. Allocated memory is still 201.9 MB. Free memory was 180.0 MB in the beginning and 163.4 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 801.26 ms. Allocated memory is still 201.9 MB. Free memory was 162.8 MB in the beginning and 114.7 MB in the end (delta: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...