/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/float-newlib/float_req_bl_1012a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 18:35:21,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 18:35:21,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 18:35:21,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 18:35:21,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 18:35:21,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 18:35:21,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 18:35:21,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 18:35:21,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 18:35:21,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 18:35:21,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 18:35:21,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 18:35:21,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 18:35:21,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 18:35:21,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 18:35:21,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 18:35:21,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 18:35:21,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 18:35:21,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 18:35:21,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 18:35:21,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 18:35:21,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 18:35:21,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 18:35:21,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 18:35:21,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-10 18:35:21,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-10 18:35:21,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-10 18:35:21,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-10 18:35:21,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-10 18:35:21,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-10 18:35:21,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 18:35:21,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 18:35:21,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 18:35:21,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 18:35:21,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 18:35:21,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 18:35:21,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 18:35:21,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 18:35:21,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 18:35:21,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 18:35:21,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 18:35:21,806 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 18:35:21,815 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 18:35:21,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 18:35:21,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 18:35:21,819 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 18:35:21,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 18:35:21,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 18:35:21,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 18:35:21,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 18:35:21,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 18:35:21,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 18:35:21,820 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 18:35:21,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 18:35:21,821 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 18:35:21,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 18:35:21,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 18:35:21,823 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 18:35:21,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 18:35:21,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 18:35:21,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 18:35:21,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 18:35:21,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 18:35:21,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 18:35:21,825 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 18:35:22,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 18:35:22,209 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 18:35:22,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 18:35:22,214 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 18:35:22,215 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 18:35:22,215 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1012a.c [2020-07-10 18:35:22,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/604ae510a/e0cddc18028845e6b8cf2a0028ab8e33/FLAG4921f96ca [2020-07-10 18:35:22,769 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 18:35:22,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1012a.c [2020-07-10 18:35:22,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/604ae510a/e0cddc18028845e6b8cf2a0028ab8e33/FLAG4921f96ca [2020-07-10 18:35:23,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/604ae510a/e0cddc18028845e6b8cf2a0028ab8e33 [2020-07-10 18:35:23,149 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 18:35:23,151 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 18:35:23,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 18:35:23,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 18:35:23,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 18:35:23,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:35:23" (1/1) ... [2020-07-10 18:35:23,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5a1e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:23, skipping insertion in model container [2020-07-10 18:35:23,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:35:23" (1/1) ... [2020-07-10 18:35:23,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 18:35:23,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 18:35:23,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:35:23,411 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 18:35:23,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:35:23,548 INFO L208 MainTranslator]: Completed translation [2020-07-10 18:35:23,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:23 WrapperNode [2020-07-10 18:35:23,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 18:35:23,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 18:35:23,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 18:35:23,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 18:35:23,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:23" (1/1) ... [2020-07-10 18:35:23,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:23" (1/1) ... [2020-07-10 18:35:23,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:23" (1/1) ... [2020-07-10 18:35:23,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:23" (1/1) ... [2020-07-10 18:35:23,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:23" (1/1) ... [2020-07-10 18:35:23,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:23" (1/1) ... [2020-07-10 18:35:23,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:23" (1/1) ... [2020-07-10 18:35:23,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 18:35:23,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 18:35:23,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 18:35:23,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 18:35:23,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:23" (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 18:35:23,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 18:35:23,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 18:35:23,686 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2020-07-10 18:35:23,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2020-07-10 18:35:23,687 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 18:35:23,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 18:35:23,687 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2020-07-10 18:35:23,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 18:35:23,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-10 18:35:23,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 18:35:23,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 18:35:23,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 18:35:23,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-10 18:35:23,688 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2020-07-10 18:35:23,688 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 18:35:23,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 18:35:23,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 18:35:24,160 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 18:35:24,161 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-10 18:35:24,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:35:24 BoogieIcfgContainer [2020-07-10 18:35:24,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 18:35:24,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 18:35:24,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 18:35:24,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 18:35:24,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 06:35:23" (1/3) ... [2020-07-10 18:35:24,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7118cf40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:35:24, skipping insertion in model container [2020-07-10 18:35:24,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:23" (2/3) ... [2020-07-10 18:35:24,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7118cf40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:35:24, skipping insertion in model container [2020-07-10 18:35:24,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:35:24" (3/3) ... [2020-07-10 18:35:24,174 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1012a.c [2020-07-10 18:35:24,185 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 18:35:24,193 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 18:35:24,206 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 18:35:24,226 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 18:35:24,226 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 18:35:24,226 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 18:35:24,226 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 18:35:24,228 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 18:35:24,228 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 18:35:24,228 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 18:35:24,228 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 18:35:24,243 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2020-07-10 18:35:24,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-10 18:35:24,253 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:35:24,254 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 18:35:24,254 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:35:24,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:35:24,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1851120069, now seen corresponding path program 1 times [2020-07-10 18:35:24,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:35:24,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1618257154] [2020-07-10 18:35:24,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:35:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:35:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:35:24,508 INFO L280 TraceCheckUtils]: 0: Hoare triple {89#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {68#true} is VALID [2020-07-10 18:35:24,509 INFO L280 TraceCheckUtils]: 1: Hoare triple {68#true} #valid := #valid[0 := 0]; {68#true} is VALID [2020-07-10 18:35:24,509 INFO L280 TraceCheckUtils]: 2: Hoare triple {68#true} assume 0 < #StackHeapBarrier; {68#true} is VALID [2020-07-10 18:35:24,511 INFO L280 TraceCheckUtils]: 3: Hoare triple {68#true} assume true; {68#true} is VALID [2020-07-10 18:35:24,512 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {68#true} {68#true} #93#return; {68#true} is VALID [2020-07-10 18:35:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:35:24,554 INFO L280 TraceCheckUtils]: 0: Hoare triple {90#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {68#true} is VALID [2020-07-10 18:35:24,555 INFO L280 TraceCheckUtils]: 1: Hoare triple {68#true} havoc ~ix~0; {68#true} is VALID [2020-07-10 18:35:24,557 INFO L280 TraceCheckUtils]: 2: Hoare triple {68#true} assume !true; {69#false} is VALID [2020-07-10 18:35:24,558 INFO L280 TraceCheckUtils]: 3: Hoare triple {69#false} assume !true; {69#false} is VALID [2020-07-10 18:35:24,558 INFO L280 TraceCheckUtils]: 4: Hoare triple {69#false} #res := ~x; {69#false} is VALID [2020-07-10 18:35:24,559 INFO L280 TraceCheckUtils]: 5: Hoare triple {69#false} assume true; {69#false} is VALID [2020-07-10 18:35:24,559 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {69#false} {68#true} #97#return; {69#false} is VALID [2020-07-10 18:35:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:35:24,589 INFO L280 TraceCheckUtils]: 0: Hoare triple {90#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {68#true} is VALID [2020-07-10 18:35:24,590 INFO L280 TraceCheckUtils]: 1: Hoare triple {68#true} havoc ~ix~1; {68#true} is VALID [2020-07-10 18:35:24,591 INFO L280 TraceCheckUtils]: 2: Hoare triple {68#true} assume !true; {69#false} is VALID [2020-07-10 18:35:24,592 INFO L280 TraceCheckUtils]: 3: Hoare triple {69#false} ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647); {69#false} is VALID [2020-07-10 18:35:24,592 INFO L280 TraceCheckUtils]: 4: Hoare triple {69#false} #res := (if 2139095040 == ~ix~1 then 1 else 0); {69#false} is VALID [2020-07-10 18:35:24,593 INFO L280 TraceCheckUtils]: 5: Hoare triple {69#false} assume true; {69#false} is VALID [2020-07-10 18:35:24,593 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {69#false} {69#false} #99#return; {69#false} is VALID [2020-07-10 18:35:24,596 INFO L263 TraceCheckUtils]: 0: Hoare triple {68#true} call ULTIMATE.init(); {89#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-10 18:35:24,597 INFO L280 TraceCheckUtils]: 1: Hoare triple {89#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {68#true} is VALID [2020-07-10 18:35:24,597 INFO L280 TraceCheckUtils]: 2: Hoare triple {68#true} #valid := #valid[0 := 0]; {68#true} is VALID [2020-07-10 18:35:24,597 INFO L280 TraceCheckUtils]: 3: Hoare triple {68#true} assume 0 < #StackHeapBarrier; {68#true} is VALID [2020-07-10 18:35:24,598 INFO L280 TraceCheckUtils]: 4: Hoare triple {68#true} assume true; {68#true} is VALID [2020-07-10 18:35:24,598 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {68#true} {68#true} #93#return; {68#true} is VALID [2020-07-10 18:35:24,599 INFO L263 TraceCheckUtils]: 6: Hoare triple {68#true} call #t~ret8 := main(); {68#true} is VALID [2020-07-10 18:35:24,600 INFO L280 TraceCheckUtils]: 7: Hoare triple {68#true} ~x~0 := ~someBinaryArithmeticFLOAToperation(1.0, 0.0); {68#true} is VALID [2020-07-10 18:35:24,605 INFO L263 TraceCheckUtils]: 8: Hoare triple {68#true} call #t~ret6 := fabs_float(~x~0); {90#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 18:35:24,606 INFO L280 TraceCheckUtils]: 9: Hoare triple {90#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {68#true} is VALID [2020-07-10 18:35:24,606 INFO L280 TraceCheckUtils]: 10: Hoare triple {68#true} havoc ~ix~0; {68#true} is VALID [2020-07-10 18:35:24,608 INFO L280 TraceCheckUtils]: 11: Hoare triple {68#true} assume !true; {69#false} is VALID [2020-07-10 18:35:24,609 INFO L280 TraceCheckUtils]: 12: Hoare triple {69#false} assume !true; {69#false} is VALID [2020-07-10 18:35:24,609 INFO L280 TraceCheckUtils]: 13: Hoare triple {69#false} #res := ~x; {69#false} is VALID [2020-07-10 18:35:24,610 INFO L280 TraceCheckUtils]: 14: Hoare triple {69#false} assume true; {69#false} is VALID [2020-07-10 18:35:24,610 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {69#false} {68#true} #97#return; {69#false} is VALID [2020-07-10 18:35:24,611 INFO L280 TraceCheckUtils]: 16: Hoare triple {69#false} ~res~0 := #t~ret6; {69#false} is VALID [2020-07-10 18:35:24,611 INFO L280 TraceCheckUtils]: 17: Hoare triple {69#false} havoc #t~ret6; {69#false} is VALID [2020-07-10 18:35:24,612 INFO L263 TraceCheckUtils]: 18: Hoare triple {69#false} call #t~ret7 := isinf_float(~res~0); {90#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 18:35:24,612 INFO L280 TraceCheckUtils]: 19: Hoare triple {90#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {68#true} is VALID [2020-07-10 18:35:24,615 INFO L280 TraceCheckUtils]: 20: Hoare triple {68#true} havoc ~ix~1; {68#true} is VALID [2020-07-10 18:35:24,617 INFO L280 TraceCheckUtils]: 21: Hoare triple {68#true} assume !true; {69#false} is VALID [2020-07-10 18:35:24,617 INFO L280 TraceCheckUtils]: 22: Hoare triple {69#false} ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647); {69#false} is VALID [2020-07-10 18:35:24,618 INFO L280 TraceCheckUtils]: 23: Hoare triple {69#false} #res := (if 2139095040 == ~ix~1 then 1 else 0); {69#false} is VALID [2020-07-10 18:35:24,618 INFO L280 TraceCheckUtils]: 24: Hoare triple {69#false} assume true; {69#false} is VALID [2020-07-10 18:35:24,619 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {69#false} {69#false} #99#return; {69#false} is VALID [2020-07-10 18:35:24,619 INFO L280 TraceCheckUtils]: 26: Hoare triple {69#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; {69#false} is VALID [2020-07-10 18:35:24,620 INFO L280 TraceCheckUtils]: 27: Hoare triple {69#false} assume 0 == #t~ret7; {69#false} is VALID [2020-07-10 18:35:24,620 INFO L280 TraceCheckUtils]: 28: Hoare triple {69#false} havoc #t~ret7; {69#false} is VALID [2020-07-10 18:35:24,620 INFO L280 TraceCheckUtils]: 29: Hoare triple {69#false} assume !false; {69#false} is VALID [2020-07-10 18:35:24,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 18:35:24,627 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:35:24,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1618257154] [2020-07-10 18:35:24,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 18:35:24,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-10 18:35:24,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177987639] [2020-07-10 18:35:24,639 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-07-10 18:35:24,642 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 18:35:24,646 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-10 18:35:24,702 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:35:24,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-10 18:35:24,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 18:35:24,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-10 18:35:24,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-10 18:35:24,713 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 4 states. [2020-07-10 18:35:25,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:35:25,330 INFO L93 Difference]: Finished difference Result 118 states and 131 transitions. [2020-07-10 18:35:25,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-10 18:35:25,330 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-07-10 18:35:25,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 18:35:25,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 18:35:25,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 131 transitions. [2020-07-10 18:35:25,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 18:35:25,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 131 transitions. [2020-07-10 18:35:25,373 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 131 transitions. [2020-07-10 18:35:25,526 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 131 edges. 131 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:35:25,547 INFO L225 Difference]: With dead ends: 118 [2020-07-10 18:35:25,549 INFO L226 Difference]: Without dead ends: 58 [2020-07-10 18:35:25,555 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-10 18:35:25,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-07-10 18:35:25,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2020-07-10 18:35:25,672 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 18:35:25,673 INFO L82 GeneralOperation]: Start isEquivalent. First operand 58 states. Second operand 58 states. [2020-07-10 18:35:25,673 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand 58 states. [2020-07-10 18:35:25,674 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 58 states. [2020-07-10 18:35:25,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:35:25,680 INFO L93 Difference]: Finished difference Result 58 states and 57 transitions. [2020-07-10 18:35:25,680 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 57 transitions. [2020-07-10 18:35:25,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:35:25,682 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:35:25,682 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand 58 states. [2020-07-10 18:35:25,683 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 58 states. [2020-07-10 18:35:25,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:35:25,698 INFO L93 Difference]: Finished difference Result 58 states and 57 transitions. [2020-07-10 18:35:25,698 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 57 transitions. [2020-07-10 18:35:25,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:35:25,699 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:35:25,699 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 18:35:25,700 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 18:35:25,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-07-10 18:35:25,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 57 transitions. [2020-07-10 18:35:25,708 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 57 transitions. Word has length 30 [2020-07-10 18:35:25,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 18:35:25,709 INFO L479 AbstractCegarLoop]: Abstraction has 58 states and 57 transitions. [2020-07-10 18:35:25,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-10 18:35:25,709 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 58 states and 57 transitions. [2020-07-10 18:35:25,791 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:35:25,791 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 57 transitions. [2020-07-10 18:35:25,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-10 18:35:25,794 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:35:25,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 18:35:25,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 18:35:25,795 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:35:25,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:35:25,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1434482942, now seen corresponding path program 1 times [2020-07-10 18:35:25,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:35:25,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1409251424] [2020-07-10 18:35:25,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:35:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 18:35:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 18:35:26,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 18:35:26,017 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.model.Model.map(Model.java:227) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.add(ModelBuilder.java:123) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.fillInFunctions(ModelBuilder.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.(ModelBuilder.java:49) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.CClosure.fillInModel(CClosure.java:1312) at de.uni_freiburg.informatik.ultimate.smtinterpol.model.Model.(Model.java:120) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.buildModel(SMTInterpol.java:1139) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getValue(SMTInterpol.java:1004) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getValue(WrapperScript.java:193) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getValue(WrapperScript.java:193) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.getValues(SmtUtils.java:2102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.getValue(TraceCheck.java:407) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.lambda$0(TraceCheck.java:381) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecution(TraceCheck.java:390) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:349) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:96) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:100) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.Interpolator.generateInterpolantsCraigNested(Interpolator.java:146) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.Interpolator.generateInterpolants(Interpolator.java:102) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.acceleratedInterpolationCore(AcceleratedInterpolation.java:266) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:144) 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) [2020-07-10 18:35:26,024 INFO L168 Benchmark]: Toolchain (without parser) took 2872.46 ms. Allocated memory was 142.6 MB in the beginning and 226.0 MB in the end (delta: 83.4 MB). Free memory was 101.0 MB in the beginning and 107.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:26,026 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.6 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-10 18:35:26,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.84 ms. Allocated memory was 142.6 MB in the beginning and 197.7 MB in the end (delta: 55.1 MB). Free memory was 100.6 MB in the beginning and 176.7 MB in the end (delta: -76.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:26,028 INFO L168 Benchmark]: Boogie Preprocessor took 67.98 ms. Allocated memory is still 197.7 MB. Free memory was 176.7 MB in the beginning and 174.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:26,028 INFO L168 Benchmark]: RCFGBuilder took 547.66 ms. Allocated memory is still 197.7 MB. Free memory was 174.1 MB in the beginning and 144.8 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:26,030 INFO L168 Benchmark]: TraceAbstraction took 1854.34 ms. Allocated memory was 197.7 MB in the beginning and 226.0 MB in the end (delta: 28.3 MB). Free memory was 144.1 MB in the beginning and 107.2 MB in the end (delta: 36.9 MB). Peak memory consumption was 65.2 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:26,034 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 142.6 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 396.84 ms. Allocated memory was 142.6 MB in the beginning and 197.7 MB in the end (delta: 55.1 MB). Free memory was 100.6 MB in the beginning and 176.7 MB in the end (delta: -76.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.98 ms. Allocated memory is still 197.7 MB. Free memory was 176.7 MB in the beginning and 174.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 547.66 ms. Allocated memory is still 197.7 MB. Free memory was 174.1 MB in the beginning and 144.8 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1854.34 ms. Allocated memory was 197.7 MB in the beginning and 226.0 MB in the end (delta: 28.3 MB). Free memory was 144.1 MB in the beginning and 107.2 MB in the end (delta: 36.9 MB). Peak memory consumption was 65.2 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.model.Model.map(Model.java:227) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...