/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/rangesum05.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 17:35:51,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 17:35:51,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 17:35:51,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 17:35:51,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 17:35:51,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 17:35:51,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 17:35:51,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 17:35:51,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 17:35:51,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 17:35:51,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 17:35:51,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 17:35:51,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 17:35:51,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 17:35:51,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 17:35:51,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 17:35:51,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 17:35:51,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 17:35:51,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 17:35:51,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 17:35:51,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 17:35:51,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 17:35:51,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 17:35:51,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 17:35:51,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 17:35:51,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 17:35:51,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 17:35:51,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 17:35:51,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 17:35:51,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 17:35:51,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 17:35:51,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 17:35:51,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 17:35:51,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 17:35:51,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 17:35:51,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 17:35:51,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 17:35:51,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 17:35:51,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 17:35:51,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 17:35:51,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 17:35:51,918 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 17:35:51,927 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 17:35:51,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 17:35:51,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 17:35:51,929 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 17:35:51,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 17:35:51,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 17:35:51,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 17:35:51,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 17:35:51,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 17:35:51,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 17:35:51,930 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 17:35:51,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 17:35:51,931 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 17:35:51,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 17:35:51,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 17:35:51,931 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 17:35:51,931 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 17:35:51,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 17:35:51,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 17:35:51,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 17:35:51,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 17:35:51,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 17:35:51,932 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-08 17:35:52,240 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 17:35:52,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 17:35:52,264 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 17:35:52,265 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 17:35:52,265 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 17:35:52,266 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/rangesum05.i [2020-07-08 17:35:52,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e44026e8/9dc89c63ab814f97aab94f4a6738f11d/FLAGb89e45baf [2020-07-08 17:35:52,819 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 17:35:52,819 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/rangesum05.i [2020-07-08 17:35:52,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e44026e8/9dc89c63ab814f97aab94f4a6738f11d/FLAGb89e45baf [2020-07-08 17:35:53,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e44026e8/9dc89c63ab814f97aab94f4a6738f11d [2020-07-08 17:35:53,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 17:35:53,156 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 17:35:53,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 17:35:53,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 17:35:53,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 17:35:53,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 05:35:53" (1/1) ... [2020-07-08 17:35:53,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a43faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:35:53, skipping insertion in model container [2020-07-08 17:35:53,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 05:35:53" (1/1) ... [2020-07-08 17:35:53,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 17:35:53,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 17:35:53,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 17:35:53,391 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 17:35:53,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 17:35:53,536 INFO L208 MainTranslator]: Completed translation [2020-07-08 17:35:53,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:35:53 WrapperNode [2020-07-08 17:35:53,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 17:35:53,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 17:35:53,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 17:35:53,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 17:35:53,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:35:53" (1/1) ... [2020-07-08 17:35:53,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:35:53" (1/1) ... [2020-07-08 17:35:53,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:35:53" (1/1) ... [2020-07-08 17:35:53,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:35:53" (1/1) ... [2020-07-08 17:35:53,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:35:53" (1/1) ... [2020-07-08 17:35:53,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:35:53" (1/1) ... [2020-07-08 17:35:53,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:35:53" (1/1) ... [2020-07-08 17:35:53,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 17:35:53,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 17:35:53,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 17:35:53,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 17:35:53,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:35:53" (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 [2020-07-08 17:35:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 17:35:53,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 17:35:53,680 INFO L138 BoogieDeclarations]: Found implementation of procedure init_nondet [2020-07-08 17:35:53,680 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2020-07-08 17:35:53,681 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 17:35:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 17:35:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 17:35:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure init_nondet [2020-07-08 17:35:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 17:35:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2020-07-08 17:35:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 17:35:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 17:35:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 17:35:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 17:35:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 17:35:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 17:35:54,243 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 17:35:54,243 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-07-08 17:35:54,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 05:35:54 BoogieIcfgContainer [2020-07-08 17:35:54,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 17:35:54,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 17:35:54,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 17:35:54,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 17:35:54,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 05:35:53" (1/3) ... [2020-07-08 17:35:54,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@200693c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 05:35:54, skipping insertion in model container [2020-07-08 17:35:54,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:35:53" (2/3) ... [2020-07-08 17:35:54,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@200693c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 05:35:54, skipping insertion in model container [2020-07-08 17:35:54,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 05:35:54" (3/3) ... [2020-07-08 17:35:54,266 INFO L109 eAbstractionObserver]: Analyzing ICFG rangesum05.i [2020-07-08 17:35:54,277 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 17:35:54,289 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 17:35:54,303 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 17:35:54,330 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 17:35:54,330 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 17:35:54,330 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-08 17:35:54,332 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 17:35:54,333 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 17:35:54,333 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 17:35:54,333 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 17:35:54,333 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 17:35:54,368 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2020-07-08 17:35:54,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-08 17:35:54,384 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 17:35:54,385 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] [2020-07-08 17:35:54,386 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 17:35:54,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 17:35:54,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1280957069, now seen corresponding path program 1 times [2020-07-08 17:35:54,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 17:35:54,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [782058154] [2020-07-08 17:35:54,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 17:35:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 17:35:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 17:35:54,684 INFO L280 TraceCheckUtils]: 0: Hoare triple {135#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {89#true} is VALID [2020-07-08 17:35:54,685 INFO L280 TraceCheckUtils]: 1: Hoare triple {89#true} #valid := #valid[0 := 0]; {89#true} is VALID [2020-07-08 17:35:54,686 INFO L280 TraceCheckUtils]: 2: Hoare triple {89#true} assume 0 < #StackHeapBarrier; {89#true} is VALID [2020-07-08 17:35:54,688 INFO L280 TraceCheckUtils]: 3: Hoare triple {89#true} assume true; {89#true} is VALID [2020-07-08 17:35:54,689 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {89#true} {89#true} #127#return; {89#true} is VALID [2020-07-08 17:35:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 17:35:54,768 INFO L280 TraceCheckUtils]: 0: Hoare triple {136#(= |#memory_int| |old(#memory_int)|)} ~x.base, ~x.offset := #in~x.base, #in~x.offset; {89#true} is VALID [2020-07-08 17:35:54,769 INFO L280 TraceCheckUtils]: 1: Hoare triple {89#true} havoc ~i~0; {89#true} is VALID [2020-07-08 17:35:54,771 INFO L280 TraceCheckUtils]: 2: Hoare triple {89#true} ~i~0 := 0; {137#(<= init_nondet_~i~0 0)} is VALID [2020-07-08 17:35:54,772 INFO L280 TraceCheckUtils]: 3: Hoare triple {137#(<= init_nondet_~i~0 0)} assume !(~i~0 < 5); {90#false} is VALID [2020-07-08 17:35:54,773 INFO L280 TraceCheckUtils]: 4: Hoare triple {90#false} assume true; {90#false} is VALID [2020-07-08 17:35:54,773 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {90#false} {89#true} #131#return; {90#false} is VALID [2020-07-08 17:35:54,788 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 17:35:54,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [782058154] [2020-07-08 17:35:54,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 17:35:54,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2020-07-08 17:35:54,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572733392] [2020-07-08 17:35:54,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 17:35:54,805 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-08 17:35:54,814 INFO L168 Benchmark]: Toolchain (without parser) took 1657.58 ms. Allocated memory was 141.0 MB in the beginning and 198.7 MB in the end (delta: 57.7 MB). Free memory was 99.4 MB in the beginning and 113.5 MB in the end (delta: -14.1 MB). Peak memory consumption was 43.6 MB. Max. memory is 7.1 GB. [2020-07-08 17:35:54,815 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 141.0 MB. Free memory was 117.7 MB in the beginning and 117.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-08 17:35:54,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.24 ms. Allocated memory was 141.0 MB in the beginning and 198.7 MB in the end (delta: 57.7 MB). Free memory was 99.2 MB in the beginning and 177.7 MB in the end (delta: -78.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2020-07-08 17:35:54,820 INFO L168 Benchmark]: Boogie Preprocessor took 57.87 ms. Allocated memory is still 198.7 MB. Free memory was 177.7 MB in the beginning and 175.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-07-08 17:35:54,822 INFO L168 Benchmark]: RCFGBuilder took 652.64 ms. Allocated memory is still 198.7 MB. Free memory was 175.0 MB in the beginning and 140.0 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. [2020-07-08 17:35:54,823 INFO L168 Benchmark]: TraceAbstraction took 558.58 ms. Allocated memory is still 198.7 MB. Free memory was 139.2 MB in the beginning and 113.5 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-07-08 17:35:54,834 INFO L336 ainManager$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 0.17 ms. Allocated memory is still 141.0 MB. Free memory was 117.7 MB in the beginning and 117.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 380.24 ms. Allocated memory was 141.0 MB in the beginning and 198.7 MB in the end (delta: 57.7 MB). Free memory was 99.2 MB in the beginning and 177.7 MB in the end (delta: -78.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.87 ms. Allocated memory is still 198.7 MB. Free memory was 177.7 MB in the beginning and 175.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 652.64 ms. Allocated memory is still 198.7 MB. Free memory was 175.0 MB in the beginning and 140.0 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 558.58 ms. Allocated memory is still 198.7 MB. Free memory was 139.2 MB in the beginning and 113.5 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 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...