/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_0730a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 18:35:15,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 18:35:15,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 18:35:15,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 18:35:15,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 18:35:15,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 18:35:15,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 18:35:15,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 18:35:15,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 18:35:15,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 18:35:15,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 18:35:15,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 18:35:15,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 18:35:15,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 18:35:15,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 18:35:15,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 18:35:15,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 18:35:15,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 18:35:15,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 18:35:15,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 18:35:15,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 18:35:15,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 18:35:15,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 18:35:15,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 18:35:15,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 18:35:15,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 18:35:15,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 18:35:15,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 18:35:15,754 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 18:35:15,769 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 18:35:15,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 18:35:15,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 18:35:15,773 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 18:35:15,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 18:35:15,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 18:35:15,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 18:35:15,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 18:35:15,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 18:35:15,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 18:35:15,775 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 18:35:15,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 18:35:15,776 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 18:35:15,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 18:35:15,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 18:35:15,777 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 18:35:15,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 18:35:15,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 18:35:15,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 18:35:15,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 18:35:15,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 18:35:15,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 18:35:15,778 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 18:35:16,063 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 18:35:16,075 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 18:35:16,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 18:35:16,080 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 18:35:16,081 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 18:35:16,081 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0730a.c [2020-07-10 18:35:16,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a691e3cf/0481d1b3d7ae4517afdb56b7434c504d/FLAG244b7f83a [2020-07-10 18:35:16,582 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 18:35:16,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0730a.c [2020-07-10 18:35:16,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a691e3cf/0481d1b3d7ae4517afdb56b7434c504d/FLAG244b7f83a [2020-07-10 18:35:17,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a691e3cf/0481d1b3d7ae4517afdb56b7434c504d [2020-07-10 18:35:17,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 18:35:17,031 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 18:35:17,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 18:35:17,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 18:35:17,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 18:35:17,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:35:17" (1/1) ... [2020-07-10 18:35:17,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fff925a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:17, skipping insertion in model container [2020-07-10 18:35:17,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:35:17" (1/1) ... [2020-07-10 18:35:17,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 18:35:17,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 18:35:17,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:35:17,277 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 18:35:17,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:35:17,338 INFO L208 MainTranslator]: Completed translation [2020-07-10 18:35:17,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:17 WrapperNode [2020-07-10 18:35:17,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 18:35:17,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 18:35:17,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 18:35:17,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 18:35:17,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:17" (1/1) ... [2020-07-10 18:35:17,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:17" (1/1) ... [2020-07-10 18:35:17,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:17" (1/1) ... [2020-07-10 18:35:17,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:17" (1/1) ... [2020-07-10 18:35:17,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:17" (1/1) ... [2020-07-10 18:35:17,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:17" (1/1) ... [2020-07-10 18:35:17,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:17" (1/1) ... [2020-07-10 18:35:17,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 18:35:17,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 18:35:17,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 18:35:17,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 18:35:17,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:17" (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 18:35:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 18:35:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 18:35:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2020-07-10 18:35:17,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2020-07-10 18:35:17,556 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 18:35:17,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 18:35:17,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-07-10 18:35:17,556 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2020-07-10 18:35:17,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 18:35:17,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-10 18:35:17,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 18:35:17,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 18:35:17,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 18:35:17,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-10 18:35:17,557 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2020-07-10 18:35:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 18:35:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 18:35:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 18:35:18,193 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 18:35:18,194 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-10 18:35:18,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:35:18 BoogieIcfgContainer [2020-07-10 18:35:18,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 18:35:18,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 18:35:18,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 18:35:18,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 18:35:18,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 06:35:17" (1/3) ... [2020-07-10 18:35:18,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b7ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:35:18, skipping insertion in model container [2020-07-10 18:35:18,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:17" (2/3) ... [2020-07-10 18:35:18,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b7ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:35:18, skipping insertion in model container [2020-07-10 18:35:18,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:35:18" (3/3) ... [2020-07-10 18:35:18,211 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730a.c [2020-07-10 18:35:18,223 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 18:35:18,232 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 18:35:18,248 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 18:35:18,273 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 18:35:18,273 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 18:35:18,274 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 18:35:18,274 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 18:35:18,274 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 18:35:18,275 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 18:35:18,275 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 18:35:18,275 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 18:35:18,294 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2020-07-10 18:35:18,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-10 18:35:18,307 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:35:18,308 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] [2020-07-10 18:35:18,309 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:35:18,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:35:18,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1347664399, now seen corresponding path program 1 times [2020-07-10 18:35:18,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:35:18,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2076249504] [2020-07-10 18:35:18,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:35:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:35:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:35:18,583 INFO L280 TraceCheckUtils]: 0: Hoare triple {152#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} #NULL.base, #NULL.offset := 0, 0; {120#true} is VALID [2020-07-10 18:35:18,584 INFO L280 TraceCheckUtils]: 1: Hoare triple {120#true} #valid := #valid[0 := 0]; {120#true} is VALID [2020-07-10 18:35:18,585 INFO L280 TraceCheckUtils]: 2: Hoare triple {120#true} assume 0 < #StackHeapBarrier; {120#true} is VALID [2020-07-10 18:35:18,586 INFO L280 TraceCheckUtils]: 3: Hoare triple {120#true} ~one_sqrt~0 := 1.0; {120#true} is VALID [2020-07-10 18:35:18,586 INFO L280 TraceCheckUtils]: 4: Hoare triple {120#true} ~tiny_sqrt~0 := 1.0E-30; {120#true} is VALID [2020-07-10 18:35:18,587 INFO L280 TraceCheckUtils]: 5: Hoare triple {120#true} assume true; {120#true} is VALID [2020-07-10 18:35:18,587 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {120#true} {120#true} #211#return; {120#true} is VALID [2020-07-10 18:35:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:35:18,620 INFO L280 TraceCheckUtils]: 0: Hoare triple {153#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {120#true} is VALID [2020-07-10 18:35:18,621 INFO L280 TraceCheckUtils]: 1: Hoare triple {120#true} havoc ~z~0; {120#true} is VALID [2020-07-10 18:35:18,621 INFO L280 TraceCheckUtils]: 2: Hoare triple {120#true} havoc ~r~0; {120#true} is VALID [2020-07-10 18:35:18,622 INFO L280 TraceCheckUtils]: 3: Hoare triple {120#true} havoc ~hx~0; {120#true} is VALID [2020-07-10 18:35:18,622 INFO L280 TraceCheckUtils]: 4: Hoare triple {120#true} havoc ~ix~0; {120#true} is VALID [2020-07-10 18:35:18,623 INFO L280 TraceCheckUtils]: 5: Hoare triple {120#true} havoc ~s~0; {120#true} is VALID [2020-07-10 18:35:18,623 INFO L280 TraceCheckUtils]: 6: Hoare triple {120#true} havoc ~q~0; {120#true} is VALID [2020-07-10 18:35:18,623 INFO L280 TraceCheckUtils]: 7: Hoare triple {120#true} havoc ~m~0; {120#true} is VALID [2020-07-10 18:35:18,624 INFO L280 TraceCheckUtils]: 8: Hoare triple {120#true} havoc ~t~0; {120#true} is VALID [2020-07-10 18:35:18,624 INFO L280 TraceCheckUtils]: 9: Hoare triple {120#true} havoc ~i~0; {120#true} is VALID [2020-07-10 18:35:18,625 INFO L280 TraceCheckUtils]: 10: Hoare triple {120#true} assume !true; {121#false} is VALID [2020-07-10 18:35:18,626 INFO L280 TraceCheckUtils]: 11: Hoare triple {121#false} ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); {121#false} is VALID [2020-07-10 18:35:18,626 INFO L280 TraceCheckUtils]: 12: Hoare triple {121#false} assume !(~hx~0 % 4294967296 < 2139095040); {121#false} is VALID [2020-07-10 18:35:18,627 INFO L280 TraceCheckUtils]: 13: Hoare triple {121#false} #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); {121#false} is VALID [2020-07-10 18:35:18,627 INFO L280 TraceCheckUtils]: 14: Hoare triple {121#false} assume true; {121#false} is VALID [2020-07-10 18:35:18,627 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {121#false} {120#true} #207#return; {121#false} is VALID [2020-07-10 18:35:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:35:18,639 INFO L280 TraceCheckUtils]: 0: Hoare triple {153#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {120#true} is VALID [2020-07-10 18:35:18,640 INFO L280 TraceCheckUtils]: 1: Hoare triple {120#true} havoc ~ix~1; {120#true} is VALID [2020-07-10 18:35:18,641 INFO L280 TraceCheckUtils]: 2: Hoare triple {120#true} assume !true; {121#false} is VALID [2020-07-10 18:35:18,642 INFO L280 TraceCheckUtils]: 3: Hoare triple {121#false} ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647); {121#false} is VALID [2020-07-10 18:35:18,642 INFO L280 TraceCheckUtils]: 4: Hoare triple {121#false} #res := (if 2139095040 == ~ix~1 then 1 else 0); {121#false} is VALID [2020-07-10 18:35:18,642 INFO L280 TraceCheckUtils]: 5: Hoare triple {121#false} assume true; {121#false} is VALID [2020-07-10 18:35:18,643 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {121#false} {121#false} #209#return; {121#false} is VALID [2020-07-10 18:35:18,645 INFO L263 TraceCheckUtils]: 0: Hoare triple {120#true} call ULTIMATE.init(); {152#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} is VALID [2020-07-10 18:35:18,646 INFO L280 TraceCheckUtils]: 1: Hoare triple {152#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} #NULL.base, #NULL.offset := 0, 0; {120#true} is VALID [2020-07-10 18:35:18,646 INFO L280 TraceCheckUtils]: 2: Hoare triple {120#true} #valid := #valid[0 := 0]; {120#true} is VALID [2020-07-10 18:35:18,647 INFO L280 TraceCheckUtils]: 3: Hoare triple {120#true} assume 0 < #StackHeapBarrier; {120#true} is VALID [2020-07-10 18:35:18,647 INFO L280 TraceCheckUtils]: 4: Hoare triple {120#true} ~one_sqrt~0 := 1.0; {120#true} is VALID [2020-07-10 18:35:18,648 INFO L280 TraceCheckUtils]: 5: Hoare triple {120#true} ~tiny_sqrt~0 := 1.0E-30; {120#true} is VALID [2020-07-10 18:35:18,648 INFO L280 TraceCheckUtils]: 6: Hoare triple {120#true} assume true; {120#true} is VALID [2020-07-10 18:35:18,648 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {120#true} {120#true} #211#return; {120#true} is VALID [2020-07-10 18:35:18,649 INFO L263 TraceCheckUtils]: 8: Hoare triple {120#true} call #t~ret9 := main(); {120#true} is VALID [2020-07-10 18:35:18,649 INFO L280 TraceCheckUtils]: 9: Hoare triple {120#true} ~x~0 := ~someBinaryArithmeticFLOAToperation(1.0, 0.0); {120#true} is VALID [2020-07-10 18:35:18,651 INFO L263 TraceCheckUtils]: 10: Hoare triple {120#true} call #t~ret7 := __ieee754_sqrtf(~x~0); {153#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 18:35:18,652 INFO L280 TraceCheckUtils]: 11: Hoare triple {153#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {120#true} is VALID [2020-07-10 18:35:18,652 INFO L280 TraceCheckUtils]: 12: Hoare triple {120#true} havoc ~z~0; {120#true} is VALID [2020-07-10 18:35:18,653 INFO L280 TraceCheckUtils]: 13: Hoare triple {120#true} havoc ~r~0; {120#true} is VALID [2020-07-10 18:35:18,653 INFO L280 TraceCheckUtils]: 14: Hoare triple {120#true} havoc ~hx~0; {120#true} is VALID [2020-07-10 18:35:18,653 INFO L280 TraceCheckUtils]: 15: Hoare triple {120#true} havoc ~ix~0; {120#true} is VALID [2020-07-10 18:35:18,654 INFO L280 TraceCheckUtils]: 16: Hoare triple {120#true} havoc ~s~0; {120#true} is VALID [2020-07-10 18:35:18,654 INFO L280 TraceCheckUtils]: 17: Hoare triple {120#true} havoc ~q~0; {120#true} is VALID [2020-07-10 18:35:18,654 INFO L280 TraceCheckUtils]: 18: Hoare triple {120#true} havoc ~m~0; {120#true} is VALID [2020-07-10 18:35:18,655 INFO L280 TraceCheckUtils]: 19: Hoare triple {120#true} havoc ~t~0; {120#true} is VALID [2020-07-10 18:35:18,655 INFO L280 TraceCheckUtils]: 20: Hoare triple {120#true} havoc ~i~0; {120#true} is VALID [2020-07-10 18:35:18,656 INFO L280 TraceCheckUtils]: 21: Hoare triple {120#true} assume !true; {121#false} is VALID [2020-07-10 18:35:18,657 INFO L280 TraceCheckUtils]: 22: Hoare triple {121#false} ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); {121#false} is VALID [2020-07-10 18:35:18,657 INFO L280 TraceCheckUtils]: 23: Hoare triple {121#false} assume !(~hx~0 % 4294967296 < 2139095040); {121#false} is VALID [2020-07-10 18:35:18,658 INFO L280 TraceCheckUtils]: 24: Hoare triple {121#false} #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); {121#false} is VALID [2020-07-10 18:35:18,658 INFO L280 TraceCheckUtils]: 25: Hoare triple {121#false} assume true; {121#false} is VALID [2020-07-10 18:35:18,658 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {121#false} {120#true} #207#return; {121#false} is VALID [2020-07-10 18:35:18,659 INFO L280 TraceCheckUtils]: 27: Hoare triple {121#false} ~res~0 := #t~ret7; {121#false} is VALID [2020-07-10 18:35:18,659 INFO L280 TraceCheckUtils]: 28: Hoare triple {121#false} havoc #t~ret7; {121#false} is VALID [2020-07-10 18:35:18,660 INFO L263 TraceCheckUtils]: 29: Hoare triple {121#false} call #t~ret8 := isinf_float(~res~0); {153#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 18:35:18,660 INFO L280 TraceCheckUtils]: 30: Hoare triple {153#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {120#true} is VALID [2020-07-10 18:35:18,660 INFO L280 TraceCheckUtils]: 31: Hoare triple {120#true} havoc ~ix~1; {120#true} is VALID [2020-07-10 18:35:18,661 INFO L280 TraceCheckUtils]: 32: Hoare triple {120#true} assume !true; {121#false} is VALID [2020-07-10 18:35:18,662 INFO L280 TraceCheckUtils]: 33: Hoare triple {121#false} ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647); {121#false} is VALID [2020-07-10 18:35:18,662 INFO L280 TraceCheckUtils]: 34: Hoare triple {121#false} #res := (if 2139095040 == ~ix~1 then 1 else 0); {121#false} is VALID [2020-07-10 18:35:18,663 INFO L280 TraceCheckUtils]: 35: Hoare triple {121#false} assume true; {121#false} is VALID [2020-07-10 18:35:18,663 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {121#false} {121#false} #209#return; {121#false} is VALID [2020-07-10 18:35:18,663 INFO L280 TraceCheckUtils]: 37: Hoare triple {121#false} assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; {121#false} is VALID [2020-07-10 18:35:18,664 INFO L280 TraceCheckUtils]: 38: Hoare triple {121#false} assume 0 == #t~ret8; {121#false} is VALID [2020-07-10 18:35:18,664 INFO L280 TraceCheckUtils]: 39: Hoare triple {121#false} havoc #t~ret8; {121#false} is VALID [2020-07-10 18:35:18,665 INFO L280 TraceCheckUtils]: 40: Hoare triple {121#false} assume !false; {121#false} is VALID [2020-07-10 18:35:18,671 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 18:35:18,671 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:35:18,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2076249504] [2020-07-10 18:35:18,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 18:35:18,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-10 18:35:18,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672362567] [2020-07-10 18:35:18,683 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-07-10 18:35:18,687 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 18:35:18,691 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-10 18:35:18,785 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:35:18,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-10 18:35:18,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 18:35:18,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-10 18:35:18,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-10 18:35:18,798 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 4 states. [2020-07-10 18:35:19,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:35:19,724 INFO L93 Difference]: Finished difference Result 212 states and 251 transitions. [2020-07-10 18:35:19,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-10 18:35:19,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-07-10 18:35:19,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 18:35:19,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 18:35:19,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 251 transitions. [2020-07-10 18:35:19,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 18:35:19,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 251 transitions. [2020-07-10 18:35:19,789 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 251 transitions. [2020-07-10 18:35:20,129 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 251 edges. 251 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:35:20,156 INFO L225 Difference]: With dead ends: 212 [2020-07-10 18:35:20,156 INFO L226 Difference]: Without dead ends: 110 [2020-07-10 18:35:20,163 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 18:35:20,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-07-10 18:35:20,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-07-10 18:35:20,306 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 18:35:20,307 INFO L82 GeneralOperation]: Start isEquivalent. First operand 110 states. Second operand 110 states. [2020-07-10 18:35:20,307 INFO L74 IsIncluded]: Start isIncluded. First operand 110 states. Second operand 110 states. [2020-07-10 18:35:20,308 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 110 states. [2020-07-10 18:35:20,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:35:20,317 INFO L93 Difference]: Finished difference Result 110 states and 120 transitions. [2020-07-10 18:35:20,318 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 120 transitions. [2020-07-10 18:35:20,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:35:20,319 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:35:20,320 INFO L74 IsIncluded]: Start isIncluded. First operand 110 states. Second operand 110 states. [2020-07-10 18:35:20,320 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 110 states. [2020-07-10 18:35:20,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:35:20,330 INFO L93 Difference]: Finished difference Result 110 states and 120 transitions. [2020-07-10 18:35:20,330 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 120 transitions. [2020-07-10 18:35:20,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:35:20,331 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:35:20,332 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 18:35:20,332 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 18:35:20,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-07-10 18:35:20,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 120 transitions. [2020-07-10 18:35:20,341 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 120 transitions. Word has length 41 [2020-07-10 18:35:20,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 18:35:20,341 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 120 transitions. [2020-07-10 18:35:20,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-10 18:35:20,342 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 110 states and 120 transitions. [2020-07-10 18:35:20,499 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 120 edges. 120 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:35:20,500 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 120 transitions. [2020-07-10 18:35:20,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-10 18:35:20,502 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:35:20,503 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 18:35:20,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 18:35:20,503 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:35:20,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:35:20,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1528682335, now seen corresponding path program 1 times [2020-07-10 18:35:20,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:35:20,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1698857033] [2020-07-10 18:35:20,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:35:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 18:35:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 18:35:20,725 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 18:35:20,727 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 18:35:20,735 INFO L168 Benchmark]: Toolchain (without parser) took 3703.69 ms. Allocated memory was 146.3 MB in the beginning and 245.9 MB in the end (delta: 99.6 MB). Free memory was 104.4 MB in the beginning and 122.3 MB in the end (delta: -17.9 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:20,736 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.3 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 18:35:20,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.22 ms. Allocated memory is still 146.3 MB. Free memory was 104.2 MB in the beginning and 91.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:20,741 INFO L168 Benchmark]: Boogie Preprocessor took 145.58 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 91.6 MB in the beginning and 180.6 MB in the end (delta: -89.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:20,742 INFO L168 Benchmark]: RCFGBuilder took 714.55 ms. Allocated memory is still 203.9 MB. Free memory was 180.6 MB in the beginning and 135.1 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:20,743 INFO L168 Benchmark]: TraceAbstraction took 2530.82 ms. Allocated memory was 203.9 MB in the beginning and 245.9 MB in the end (delta: 41.9 MB). Free memory was 135.1 MB in the beginning and 122.3 MB in the end (delta: 12.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:20,747 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 146.3 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 307.22 ms. Allocated memory is still 146.3 MB. Free memory was 104.2 MB in the beginning and 91.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 145.58 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 91.6 MB in the beginning and 180.6 MB in the end (delta: -89.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 714.55 ms. Allocated memory is still 203.9 MB. Free memory was 180.6 MB in the beginning and 135.1 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2530.82 ms. Allocated memory was 203.9 MB in the beginning and 245.9 MB in the end (delta: 41.9 MB). Free memory was 135.1 MB in the beginning and 122.3 MB in the end (delta: 12.8 MB). Peak memory consumption was 54.8 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.smtinterpol.model.Model.map(Model.java:227) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...