/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/reducercommutativity/rangesum.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 20:20:43,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 20:20:43,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 20:20:43,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 20:20:43,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 20:20:43,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 20:20:43,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 20:20:43,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 20:20:43,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 20:20:43,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 20:20:43,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 20:20:43,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 20:20:43,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 20:20:43,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 20:20:43,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 20:20:43,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 20:20:43,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 20:20:43,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 20:20:43,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 20:20:43,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 20:20:43,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 20:20:43,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 20:20:43,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 20:20:43,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 20:20:43,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-10 20:20:43,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-10 20:20:43,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-10 20:20:43,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-10 20:20:43,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-10 20:20:43,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-10 20:20:43,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 20:20:43,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 20:20:43,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 20:20:43,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 20:20:43,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 20:20:43,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 20:20:43,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 20:20:43,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 20:20:43,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 20:20:43,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 20:20:43,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 20:20:43,138 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 20:20:43,149 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 20:20:43,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 20:20:43,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 20:20:43,151 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 20:20:43,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 20:20:43,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 20:20:43,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 20:20:43,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 20:20:43,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 20:20:43,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 20:20:43,152 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 20:20:43,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 20:20:43,153 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 20:20:43,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 20:20:43,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 20:20:43,153 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 20:20:43,153 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 20:20:43,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 20:20:43,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 20:20:43,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 20:20:43,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 20:20:43,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 20:20:43,155 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 20:20:43,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 20:20:43,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 20:20:43,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 20:20:43,622 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 20:20:43,623 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 20:20:43,624 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/rangesum.i [2020-07-10 20:20:43,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88a20083c/a70039eb8c15465fb3a6418d960d3ca0/FLAGc964a6a57 [2020-07-10 20:20:44,220 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 20:20:44,221 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/rangesum.i [2020-07-10 20:20:44,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88a20083c/a70039eb8c15465fb3a6418d960d3ca0/FLAGc964a6a57 [2020-07-10 20:20:44,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88a20083c/a70039eb8c15465fb3a6418d960d3ca0 [2020-07-10 20:20:44,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 20:20:44,574 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 20:20:44,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 20:20:44,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 20:20:44,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 20:20:44,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 08:20:44" (1/1) ... [2020-07-10 20:20:44,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e62cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:20:44, skipping insertion in model container [2020-07-10 20:20:44,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 08:20:44" (1/1) ... [2020-07-10 20:20:44,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 20:20:44,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 20:20:44,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 20:20:44,935 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 20:20:44,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 20:20:45,121 INFO L208 MainTranslator]: Completed translation [2020-07-10 20:20:45,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:20:45 WrapperNode [2020-07-10 20:20:45,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 20:20:45,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 20:20:45,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 20:20:45,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 20:20:45,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:20:45" (1/1) ... [2020-07-10 20:20:45,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:20:45" (1/1) ... [2020-07-10 20:20:45,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:20:45" (1/1) ... [2020-07-10 20:20:45,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:20:45" (1/1) ... [2020-07-10 20:20:45,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:20:45" (1/1) ... [2020-07-10 20:20:45,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:20:45" (1/1) ... [2020-07-10 20:20:45,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:20:45" (1/1) ... [2020-07-10 20:20:45,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 20:20:45,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 20:20:45,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 20:20:45,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 20:20:45,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:20:45" (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 [2020-07-10 20:20:45,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 20:20:45,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 20:20:45,293 INFO L138 BoogieDeclarations]: Found implementation of procedure init_nondet [2020-07-10 20:20:45,293 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2020-07-10 20:20:45,293 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 20:20:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 20:20:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 20:20:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure init_nondet [2020-07-10 20:20:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 20:20:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2020-07-10 20:20:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 20:20:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 20:20:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 20:20:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 20:20:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 20:20:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 20:20:45,902 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 20:20:45,902 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-07-10 20:20:45,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:20:45 BoogieIcfgContainer [2020-07-10 20:20:45,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 20:20:45,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 20:20:45,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 20:20:45,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 20:20:45,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 08:20:44" (1/3) ... [2020-07-10 20:20:45,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7286acb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:20:45, skipping insertion in model container [2020-07-10 20:20:45,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:20:45" (2/3) ... [2020-07-10 20:20:45,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7286acb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:20:45, skipping insertion in model container [2020-07-10 20:20:45,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:20:45" (3/3) ... [2020-07-10 20:20:45,918 INFO L109 eAbstractionObserver]: Analyzing ICFG rangesum.i [2020-07-10 20:20:45,940 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 20:20:45,967 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 20:20:46,006 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 20:20:46,053 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 20:20:46,053 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 20:20:46,054 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 20:20:46,055 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 20:20:46,055 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 20:20:46,056 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 20:20:46,056 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 20:20:46,056 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 20:20:46,084 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states. [2020-07-10 20:20:46,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-10 20:20:46,107 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:20:46,108 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-10 20:20:46,109 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 20:20:46,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:20:46,115 INFO L82 PathProgramCache]: Analyzing trace with hash -657395557, now seen corresponding path program 1 times [2020-07-10 20:20:46,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:20:46,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [749821151] [2020-07-10 20:20:46,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:20:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:20:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:20:46,416 INFO L280 TraceCheckUtils]: 0: Hoare triple {141#(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; {94#true} is VALID [2020-07-10 20:20:46,417 INFO L280 TraceCheckUtils]: 1: Hoare triple {94#true} #valid := #valid[0 := 0]; {94#true} is VALID [2020-07-10 20:20:46,417 INFO L280 TraceCheckUtils]: 2: Hoare triple {94#true} assume 0 < #StackHeapBarrier; {94#true} is VALID [2020-07-10 20:20:46,418 INFO L280 TraceCheckUtils]: 3: Hoare triple {94#true} ~N~0 := 0; {94#true} is VALID [2020-07-10 20:20:46,418 INFO L280 TraceCheckUtils]: 4: Hoare triple {94#true} assume true; {94#true} is VALID [2020-07-10 20:20:46,419 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {94#true} {94#true} #137#return; {94#true} is VALID [2020-07-10 20:20:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:20:46,439 INFO L280 TraceCheckUtils]: 0: Hoare triple {142#(= |#memory_int| |old(#memory_int)|)} ~x.base, ~x.offset := #in~x.base, #in~x.offset; {94#true} is VALID [2020-07-10 20:20:46,440 INFO L280 TraceCheckUtils]: 1: Hoare triple {94#true} havoc ~i~0; {94#true} is VALID [2020-07-10 20:20:46,441 INFO L280 TraceCheckUtils]: 2: Hoare triple {94#true} ~i~0 := 0; {94#true} is VALID [2020-07-10 20:20:46,442 INFO L280 TraceCheckUtils]: 3: Hoare triple {94#true} assume !true; {95#false} is VALID [2020-07-10 20:20:46,442 INFO L280 TraceCheckUtils]: 4: Hoare triple {95#false} assume true; {95#false} is VALID [2020-07-10 20:20:46,443 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {95#false} {94#true} #141#return; {95#false} is VALID [2020-07-10 20:20:46,453 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:20:46,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [749821151] [2020-07-10 20:20:46,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:20:46,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2020-07-10 20:20:46,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438700328] [2020-07-10 20:20:46,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 20:20:46,465 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.plugins.generator.traceabstraction.BasicCegarLoop.constructInterpolantAutomaton(BasicCegarLoop.java:571) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:455) 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-10 20:20:46,471 INFO L168 Benchmark]: Toolchain (without parser) took 1896.59 ms. Allocated memory was 135.8 MB in the beginning and 198.2 MB in the end (delta: 62.4 MB). Free memory was 99.8 MB in the beginning and 112.2 MB in the end (delta: -12.4 MB). Peak memory consumption was 50.0 MB. Max. memory is 7.1 GB. [2020-07-10 20:20:46,472 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 135.8 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-10 20:20:46,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.99 ms. Allocated memory was 135.8 MB in the beginning and 198.2 MB in the end (delta: 62.4 MB). Free memory was 99.6 MB in the beginning and 177.1 MB in the end (delta: -77.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2020-07-10 20:20:46,474 INFO L168 Benchmark]: Boogie Preprocessor took 90.42 ms. Allocated memory is still 198.2 MB. Free memory was 177.1 MB in the beginning and 174.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-07-10 20:20:46,475 INFO L168 Benchmark]: RCFGBuilder took 689.08 ms. Allocated memory is still 198.2 MB. Free memory was 174.1 MB in the beginning and 136.9 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. [2020-07-10 20:20:46,476 INFO L168 Benchmark]: TraceAbstraction took 558.23 ms. Allocated memory is still 198.2 MB. Free memory was 136.2 MB in the beginning and 112.2 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-07-10 20:20:46,480 INFO L336 ainManager$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 0.20 ms. Allocated memory is still 135.8 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 547.99 ms. Allocated memory was 135.8 MB in the beginning and 198.2 MB in the end (delta: 62.4 MB). Free memory was 99.6 MB in the beginning and 177.1 MB in the end (delta: -77.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.42 ms. Allocated memory is still 198.2 MB. Free memory was 177.1 MB in the beginning and 174.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 689.08 ms. Allocated memory is still 198.2 MB. Free memory was 174.1 MB in the beginning and 136.9 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 558.23 ms. Allocated memory is still 198.2 MB. Free memory was 136.2 MB in the beginning and 112.2 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 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.plugins.generator.traceabstraction.BasicCegarLoop.constructInterpolantAutomaton(BasicCegarLoop.java:571) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...