/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1092a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:03:59,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:03:59,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:03:59,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:03:59,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:03:59,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:03:59,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:03:59,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:03:59,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:03:59,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:03:59,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:03:59,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:03:59,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:03:59,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:03:59,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:03:59,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:03:59,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:03:59,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:03:59,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:03:59,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:03:59,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:03:59,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:03:59,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:03:59,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:03:59,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:03:59,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:03:59,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:03:59,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:03:59,529 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 22:03:59,544 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:03:59,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:03:59,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:03:59,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:03:59,546 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:03:59,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:03:59,546 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:03:59,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:03:59,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:03:59,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:03:59,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:03:59,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:03:59,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:03:59,547 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:03:59,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:03:59,548 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:03:59,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:03:59,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:03:59,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:03:59,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:03:59,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:03:59,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:03:59,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:03:59,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:03:59,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:03:59,550 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:03:59,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:03:59,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:03:59,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:03:59,554 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:03:59,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:03:59,846 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:03:59,850 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:03:59,851 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:03:59,852 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:03:59,852 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1092a.c [2020-07-17 22:03:59,934 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da9f1cbe2/63b8397d7d974314bb29095291ac6da1/FLAGd83cbc849 [2020-07-17 22:04:00,442 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:04:00,443 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1092a.c [2020-07-17 22:04:00,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da9f1cbe2/63b8397d7d974314bb29095291ac6da1/FLAGd83cbc849 [2020-07-17 22:04:00,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da9f1cbe2/63b8397d7d974314bb29095291ac6da1 [2020-07-17 22:04:00,807 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:04:00,811 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:04:00,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:04:00,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:04:00,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:04:00,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:04:00" (1/1) ... [2020-07-17 22:04:00,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc3f5c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:00, skipping insertion in model container [2020-07-17 22:04:00,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:04:00" (1/1) ... [2020-07-17 22:04:00,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:04:00,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:04:01,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:04:01,045 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:04:01,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:04:01,202 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:04:01,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:01 WrapperNode [2020-07-17 22:04:01,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:04:01,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:04:01,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:04:01,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:04:01,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:01" (1/1) ... [2020-07-17 22:04:01,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:01" (1/1) ... [2020-07-17 22:04:01,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:01" (1/1) ... [2020-07-17 22:04:01,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:01" (1/1) ... [2020-07-17 22:04:01,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:01" (1/1) ... [2020-07-17 22:04:01,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:01" (1/1) ... [2020-07-17 22:04:01,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:01" (1/1) ... [2020-07-17 22:04:01,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:04:01,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:04:01,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:04:01,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:04:01,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:01" (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 [2020-07-17 22:04:01,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:04:01,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:04:01,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-17 22:04:01,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_double [2020-07-17 22:04:01,336 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:04:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:04:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-17 22:04:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_double [2020-07-17 22:04:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 22:04:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 22:04:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 22:04:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 22:04:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 22:04:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 22:04:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:04:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:04:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:04:01,998 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:04:01,998 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-17 22:04:02,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:04:02 BoogieIcfgContainer [2020-07-17 22:04:02,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:04:02,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:04:02,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:04:02,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:04:02,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:04:00" (1/3) ... [2020-07-17 22:04:02,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a4f7aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:04:02, skipping insertion in model container [2020-07-17 22:04:02,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:01" (2/3) ... [2020-07-17 22:04:02,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a4f7aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:04:02, skipping insertion in model container [2020-07-17 22:04:02,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:04:02" (3/3) ... [2020-07-17 22:04:02,018 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2020-07-17 22:04:02,030 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:04:02,038 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:04:02,052 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:04:02,074 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:04:02,075 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:04:02,075 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:04:02,075 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:04:02,075 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:04:02,076 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:04:02,076 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:04:02,076 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:04:02,095 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-07-17 22:04:02,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-17 22:04:02,101 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:04:02,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:04:02,103 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:04:02,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:04:02,110 INFO L82 PathProgramCache]: Analyzing trace with hash -321966810, now seen corresponding path program 1 times [2020-07-17 22:04:02,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:04:02,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341800177] [2020-07-17 22:04:02,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:04:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:04:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:04:02,329 INFO L280 TraceCheckUtils]: 0: Hoare triple {58#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~huge_ceil~0 |old(~huge_ceil~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~huge_ceil~0 := 1.0E300; {45#true} is VALID [2020-07-17 22:04:02,329 INFO L280 TraceCheckUtils]: 1: Hoare triple {45#true} assume true; {45#true} is VALID [2020-07-17 22:04:02,330 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {45#true} {45#true} #127#return; {45#true} is VALID [2020-07-17 22:04:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:04:02,368 INFO L280 TraceCheckUtils]: 0: Hoare triple {59#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~i0~0;havoc ~i1~0;havoc ~j0~0;havoc ~i~0;havoc ~j~0; {45#true} is VALID [2020-07-17 22:04:02,370 INFO L280 TraceCheckUtils]: 1: Hoare triple {45#true} assume !true; {46#false} is VALID [2020-07-17 22:04:02,370 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#false} ~j0~0 := ~bitwiseAnd(~i0~0 / 1048576, 2047) - 1023; {46#false} is VALID [2020-07-17 22:04:02,370 INFO L280 TraceCheckUtils]: 3: Hoare triple {46#false} assume ~j0~0 < 20; {46#false} is VALID [2020-07-17 22:04:02,371 INFO L280 TraceCheckUtils]: 4: Hoare triple {46#false} assume !(~j0~0 < 0);~i~0 := ~shiftRight(1048575, ~j0~0); {46#false} is VALID [2020-07-17 22:04:02,371 INFO L280 TraceCheckUtils]: 5: Hoare triple {46#false} assume 0 == ~bitwiseOr(~bitwiseAnd(~i0~0, ~i~0), ~i1~0) % 4294967296;#res := ~x; {46#false} is VALID [2020-07-17 22:04:02,372 INFO L280 TraceCheckUtils]: 6: Hoare triple {46#false} assume true; {46#false} is VALID [2020-07-17 22:04:02,372 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {46#false} {45#true} #131#return; {46#false} is VALID [2020-07-17 22:04:02,375 INFO L263 TraceCheckUtils]: 0: Hoare triple {45#true} call ULTIMATE.init(); {58#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~huge_ceil~0 |old(~huge_ceil~0)|))} is VALID [2020-07-17 22:04:02,375 INFO L280 TraceCheckUtils]: 1: Hoare triple {58#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~huge_ceil~0 |old(~huge_ceil~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~huge_ceil~0 := 1.0E300; {45#true} is VALID [2020-07-17 22:04:02,375 INFO L280 TraceCheckUtils]: 2: Hoare triple {45#true} assume true; {45#true} is VALID [2020-07-17 22:04:02,376 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {45#true} {45#true} #127#return; {45#true} is VALID [2020-07-17 22:04:02,376 INFO L263 TraceCheckUtils]: 4: Hoare triple {45#true} call #t~ret7 := main(); {45#true} is VALID [2020-07-17 22:04:02,377 INFO L280 TraceCheckUtils]: 5: Hoare triple {45#true} ~x~0 := ~someUnaryDOUBLEoperation(0.0); {45#true} is VALID [2020-07-17 22:04:02,379 INFO L263 TraceCheckUtils]: 6: Hoare triple {45#true} call #t~ret6 := ceil_double(~x~0); {59#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:04:02,379 INFO L280 TraceCheckUtils]: 7: Hoare triple {59#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~i0~0;havoc ~i1~0;havoc ~j0~0;havoc ~i~0;havoc ~j~0; {45#true} is VALID [2020-07-17 22:04:02,381 INFO L280 TraceCheckUtils]: 8: Hoare triple {45#true} assume !true; {46#false} is VALID [2020-07-17 22:04:02,381 INFO L280 TraceCheckUtils]: 9: Hoare triple {46#false} ~j0~0 := ~bitwiseAnd(~i0~0 / 1048576, 2047) - 1023; {46#false} is VALID [2020-07-17 22:04:02,382 INFO L280 TraceCheckUtils]: 10: Hoare triple {46#false} assume ~j0~0 < 20; {46#false} is VALID [2020-07-17 22:04:02,382 INFO L280 TraceCheckUtils]: 11: Hoare triple {46#false} assume !(~j0~0 < 0);~i~0 := ~shiftRight(1048575, ~j0~0); {46#false} is VALID [2020-07-17 22:04:02,382 INFO L280 TraceCheckUtils]: 12: Hoare triple {46#false} assume 0 == ~bitwiseOr(~bitwiseAnd(~i0~0, ~i~0), ~i1~0) % 4294967296;#res := ~x; {46#false} is VALID [2020-07-17 22:04:02,383 INFO L280 TraceCheckUtils]: 13: Hoare triple {46#false} assume true; {46#false} is VALID [2020-07-17 22:04:02,383 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {46#false} {45#true} #131#return; {46#false} is VALID [2020-07-17 22:04:02,384 INFO L280 TraceCheckUtils]: 15: Hoare triple {46#false} ~res~0 := #t~ret6;havoc #t~ret6; {46#false} is VALID [2020-07-17 22:04:02,384 INFO L280 TraceCheckUtils]: 16: Hoare triple {46#false} assume ~someBinaryDOUBLEComparisonOperation(~res~0, ~x~0); {46#false} is VALID [2020-07-17 22:04:02,384 INFO L280 TraceCheckUtils]: 17: Hoare triple {46#false} assume !false; {46#false} is VALID [2020-07-17 22:04:02,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:04:02,388 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341800177] [2020-07-17 22:04:02,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:04:02,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 22:04:02,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466181578] [2020-07-17 22:04:02,396 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-07-17 22:04:02,399 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:04:02,403 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 22:04:02,447 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:04:02,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 22:04:02,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:04:02,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 22:04:02,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 22:04:02,460 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 4 states. [2020-07-17 22:04:02,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:04:02,914 INFO L93 Difference]: Finished difference Result 76 states and 114 transitions. [2020-07-17 22:04:02,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 22:04:02,915 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-07-17 22:04:02,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:04:02,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:04:02,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 114 transitions. [2020-07-17 22:04:02,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:04:02,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 114 transitions. [2020-07-17 22:04:02,938 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 114 transitions. [2020-07-17 22:04:03,099 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:04:03,113 INFO L225 Difference]: With dead ends: 76 [2020-07-17 22:04:03,114 INFO L226 Difference]: Without dead ends: 38 [2020-07-17 22:04:03,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:04:03,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-07-17 22:04:03,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-07-17 22:04:03,177 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:04:03,178 INFO L82 GeneralOperation]: Start isEquivalent. First operand 38 states. Second operand 38 states. [2020-07-17 22:04:03,178 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 38 states. [2020-07-17 22:04:03,179 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 38 states. [2020-07-17 22:04:03,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:04:03,185 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2020-07-17 22:04:03,185 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2020-07-17 22:04:03,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:04:03,186 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:04:03,186 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 38 states. [2020-07-17 22:04:03,186 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 38 states. [2020-07-17 22:04:03,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:04:03,192 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2020-07-17 22:04:03,192 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2020-07-17 22:04:03,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:04:03,193 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:04:03,193 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:04:03,193 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:04:03,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-07-17 22:04:03,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2020-07-17 22:04:03,199 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 18 [2020-07-17 22:04:03,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:04:03,199 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2020-07-17 22:04:03,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 22:04:03,200 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2020-07-17 22:04:03,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-17 22:04:03,201 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:04:03,201 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:04:03,201 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:04:03,202 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:04:03,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:04:03,202 INFO L82 PathProgramCache]: Analyzing trace with hash 422703747, now seen corresponding path program 1 times [2020-07-17 22:04:03,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:04:03,203 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048363950] [2020-07-17 22:04:03,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:04:03,308 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:04:03,309 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.theory.linar.TableauxRow.(TableauxRow.java:45) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.generateLinVar(LinArSolve.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.createEquality(LinArSolve.java:1974) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:83) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createAtom(EqualityProxy.java:165) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.getLiteral(EqualityProxy.java:186) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:1891) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:664) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1010) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1157) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:117) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:494) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:446) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:214) 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.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-17 22:04:03,316 INFO L168 Benchmark]: Toolchain (without parser) took 2506.21 ms. Allocated memory was 145.2 MB in the beginning and 235.9 MB in the end (delta: 90.7 MB). Free memory was 102.4 MB in the beginning and 142.7 MB in the end (delta: -40.3 MB). Peak memory consumption was 50.4 MB. Max. memory is 7.1 GB. [2020-07-17 22:04:03,316 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 145.2 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-17 22:04:03,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.55 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 102.2 MB in the beginning and 181.9 MB in the end (delta: -79.7 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2020-07-17 22:04:03,318 INFO L168 Benchmark]: Boogie Preprocessor took 63.23 ms. Allocated memory is still 202.9 MB. Free memory was 181.9 MB in the beginning and 178.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2020-07-17 22:04:03,319 INFO L168 Benchmark]: RCFGBuilder took 737.30 ms. Allocated memory is still 202.9 MB. Free memory was 178.9 MB in the beginning and 144.0 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2020-07-17 22:04:03,320 INFO L168 Benchmark]: TraceAbstraction took 1305.81 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 144.0 MB in the beginning and 142.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. [2020-07-17 22:04:03,324 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 0.27 ms. Allocated memory is still 145.2 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 391.55 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 102.2 MB in the beginning and 181.9 MB in the end (delta: -79.7 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.23 ms. Allocated memory is still 202.9 MB. Free memory was 181.9 MB in the beginning and 178.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 737.30 ms. Allocated memory is still 202.9 MB. Free memory was 178.9 MB in the beginning and 144.0 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1305.81 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 144.0 MB in the beginning and 142.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 34.2 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.theory.linar.TableauxRow.(TableauxRow.java:45) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...