/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_1012a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 14:39:24,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 14:39:24,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 14:39:24,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 14:39:24,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 14:39:24,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 14:39:24,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 14:39:24,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 14:39:24,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 14:39:24,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 14:39:24,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 14:39:24,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 14:39:24,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 14:39:24,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 14:39:24,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 14:39:24,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 14:39:24,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 14:39:24,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 14:39:24,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 14:39:24,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 14:39:24,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 14:39:24,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 14:39:24,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 14:39:24,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 14:39:24,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 14:39:24,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 14:39:24,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 14:39:24,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 14:39:24,822 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 [2020-07-10 14:39:24,837 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 14:39:24,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 14:39:24,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 14:39:24,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 14:39:24,838 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 14:39:24,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 14:39:24,839 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 14:39:24,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 14:39:24,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 14:39:24,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 14:39:24,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 14:39:24,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 14:39:24,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 14:39:24,840 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 14:39:24,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 14:39:24,841 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 14:39:24,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 14:39:24,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 14:39:24,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 14:39:24,841 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 14:39:24,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 14:39:24,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 14:39:24,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 14:39:24,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 14:39:24,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 14:39:24,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 14:39:24,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 14:39:24,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 14:39:24,843 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 14:39:24,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 14:39:25,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 14:39:25,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 14:39:25,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 14:39:25,196 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 14:39:25,196 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 14:39:25,197 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1012a.c [2020-07-10 14:39:25,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0ce977d7/1af488c3414e48038fce38021d60402c/FLAG37e4f2a56 [2020-07-10 14:39:25,817 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 14:39:25,818 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1012a.c [2020-07-10 14:39:25,830 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0ce977d7/1af488c3414e48038fce38021d60402c/FLAG37e4f2a56 [2020-07-10 14:39:26,098 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0ce977d7/1af488c3414e48038fce38021d60402c [2020-07-10 14:39:26,108 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 14:39:26,109 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 14:39:26,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 14:39:26,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 14:39:26,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 14:39:26,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:39:26" (1/1) ... [2020-07-10 14:39:26,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d68d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:26, skipping insertion in model container [2020-07-10 14:39:26,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:39:26" (1/1) ... [2020-07-10 14:39:26,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 14:39:26,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 14:39:26,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:39:26,381 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 14:39:26,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:39:26,541 INFO L208 MainTranslator]: Completed translation [2020-07-10 14:39:26,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:26 WrapperNode [2020-07-10 14:39:26,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 14:39:26,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 14:39:26,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 14:39:26,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 14:39:26,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:26" (1/1) ... [2020-07-10 14:39:26,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:26" (1/1) ... [2020-07-10 14:39:26,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:26" (1/1) ... [2020-07-10 14:39:26,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:26" (1/1) ... [2020-07-10 14:39:26,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:26" (1/1) ... [2020-07-10 14:39:26,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:26" (1/1) ... [2020-07-10 14:39:26,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:26" (1/1) ... [2020-07-10 14:39:26,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 14:39:26,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 14:39:26,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 14:39:26,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 14:39:26,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:26" (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 14:39:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 14:39:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 14:39:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-10 14:39:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2020-07-10 14:39:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2020-07-10 14:39:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2020-07-10 14:39:26,670 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 14:39:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 14:39:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-10 14:39:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2020-07-10 14:39:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 14:39:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-10 14:39:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 14:39:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 14:39:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2020-07-10 14:39:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2020-07-10 14:39:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 14:39:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-10 14:39:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 14:39:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 14:39:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 14:39:27,185 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 14:39:27,186 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-10 14:39:27,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:39:27 BoogieIcfgContainer [2020-07-10 14:39:27,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 14:39:27,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 14:39:27,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 14:39:27,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 14:39:27,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 02:39:26" (1/3) ... [2020-07-10 14:39:27,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133ebf4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:39:27, skipping insertion in model container [2020-07-10 14:39:27,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:26" (2/3) ... [2020-07-10 14:39:27,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133ebf4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:39:27, skipping insertion in model container [2020-07-10 14:39:27,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:39:27" (3/3) ... [2020-07-10 14:39:27,198 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1012a.c [2020-07-10 14:39:27,206 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 14:39:27,215 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 14:39:27,228 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 14:39:27,253 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 14:39:27,253 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 14:39:27,254 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 14:39:27,254 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 14:39:27,254 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 14:39:27,254 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 14:39:27,255 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 14:39:27,255 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 14:39:27,273 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-07-10 14:39:27,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-10 14:39:27,279 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:39:27,280 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] [2020-07-10 14:39:27,281 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:39:27,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:39:27,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1713992029, now seen corresponding path program 1 times [2020-07-10 14:39:27,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:39:27,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619917322] [2020-07-10 14:39:27,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:39:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:39:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:39:27,502 INFO L280 TraceCheckUtils]: 0: Hoare triple {50#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {34#true} is VALID [2020-07-10 14:39:27,503 INFO L280 TraceCheckUtils]: 1: Hoare triple {34#true} assume true; {34#true} is VALID [2020-07-10 14:39:27,503 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {34#true} {34#true} #80#return; {34#true} is VALID [2020-07-10 14:39:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:39:27,537 INFO L280 TraceCheckUtils]: 0: Hoare triple {51#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~high~0; {34#true} is VALID [2020-07-10 14:39:27,542 INFO L280 TraceCheckUtils]: 1: Hoare triple {34#true} assume !true; {35#false} is VALID [2020-07-10 14:39:27,542 INFO L280 TraceCheckUtils]: 2: Hoare triple {35#false} assume !true; {35#false} is VALID [2020-07-10 14:39:27,543 INFO L280 TraceCheckUtils]: 3: Hoare triple {35#false} #res := ~x; {35#false} is VALID [2020-07-10 14:39:27,543 INFO L280 TraceCheckUtils]: 4: Hoare triple {35#false} assume true; {35#false} is VALID [2020-07-10 14:39:27,544 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {35#false} {34#true} #76#return; {35#false} is VALID [2020-07-10 14:39:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:39:27,555 INFO L280 TraceCheckUtils]: 0: Hoare triple {51#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~hx~0;havoc ~lx~0; {34#true} is VALID [2020-07-10 14:39:27,556 INFO L280 TraceCheckUtils]: 1: Hoare triple {34#true} assume !true; {35#false} is VALID [2020-07-10 14:39:27,557 INFO L280 TraceCheckUtils]: 2: Hoare triple {35#false} ~hx~0 := ~bitwiseAnd(~hx~0, 2147483647);~hx~0 := (if ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 - 4294967296);~hx~0 := 2146435072 - ~hx~0;#res := 1 - (if ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 - 4294967296); {35#false} is VALID [2020-07-10 14:39:27,557 INFO L280 TraceCheckUtils]: 3: Hoare triple {35#false} assume true; {35#false} is VALID [2020-07-10 14:39:27,558 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {35#false} {35#false} #78#return; {35#false} is VALID [2020-07-10 14:39:27,560 INFO L263 TraceCheckUtils]: 0: Hoare triple {34#true} call ULTIMATE.init(); {50#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-10 14:39:27,560 INFO L280 TraceCheckUtils]: 1: Hoare triple {50#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {34#true} is VALID [2020-07-10 14:39:27,561 INFO L280 TraceCheckUtils]: 2: Hoare triple {34#true} assume true; {34#true} is VALID [2020-07-10 14:39:27,561 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {34#true} {34#true} #80#return; {34#true} is VALID [2020-07-10 14:39:27,562 INFO L263 TraceCheckUtils]: 4: Hoare triple {34#true} call #t~ret12 := main(); {34#true} is VALID [2020-07-10 14:39:27,563 INFO L280 TraceCheckUtils]: 5: Hoare triple {34#true} ~x~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, 0.0); {34#true} is VALID [2020-07-10 14:39:27,565 INFO L263 TraceCheckUtils]: 6: Hoare triple {34#true} call #t~ret10 := fabs_double(~x~0); {51#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 14:39:27,565 INFO L280 TraceCheckUtils]: 7: Hoare triple {51#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~high~0; {34#true} is VALID [2020-07-10 14:39:27,567 INFO L280 TraceCheckUtils]: 8: Hoare triple {34#true} assume !true; {35#false} is VALID [2020-07-10 14:39:27,567 INFO L280 TraceCheckUtils]: 9: Hoare triple {35#false} assume !true; {35#false} is VALID [2020-07-10 14:39:27,567 INFO L280 TraceCheckUtils]: 10: Hoare triple {35#false} #res := ~x; {35#false} is VALID [2020-07-10 14:39:27,568 INFO L280 TraceCheckUtils]: 11: Hoare triple {35#false} assume true; {35#false} is VALID [2020-07-10 14:39:27,568 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {35#false} {34#true} #76#return; {35#false} is VALID [2020-07-10 14:39:27,569 INFO L280 TraceCheckUtils]: 13: Hoare triple {35#false} ~res~0 := #t~ret10;havoc #t~ret10; {35#false} is VALID [2020-07-10 14:39:27,569 INFO L263 TraceCheckUtils]: 14: Hoare triple {35#false} call #t~ret11 := isinf_double(~res~0); {51#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 14:39:27,569 INFO L280 TraceCheckUtils]: 15: Hoare triple {51#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~hx~0;havoc ~lx~0; {34#true} is VALID [2020-07-10 14:39:27,570 INFO L280 TraceCheckUtils]: 16: Hoare triple {34#true} assume !true; {35#false} is VALID [2020-07-10 14:39:27,571 INFO L280 TraceCheckUtils]: 17: Hoare triple {35#false} ~hx~0 := ~bitwiseAnd(~hx~0, 2147483647);~hx~0 := (if ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 - 4294967296);~hx~0 := 2146435072 - ~hx~0;#res := 1 - (if ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 - 4294967296); {35#false} is VALID [2020-07-10 14:39:27,571 INFO L280 TraceCheckUtils]: 18: Hoare triple {35#false} assume true; {35#false} is VALID [2020-07-10 14:39:27,572 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {35#false} {35#false} #78#return; {35#false} is VALID [2020-07-10 14:39:27,572 INFO L280 TraceCheckUtils]: 20: Hoare triple {35#false} assume -2147483648 <= #t~ret11 && #t~ret11 <= 2147483647; {35#false} is VALID [2020-07-10 14:39:27,573 INFO L280 TraceCheckUtils]: 21: Hoare triple {35#false} assume 0 == #t~ret11;havoc #t~ret11; {35#false} is VALID [2020-07-10 14:39:27,573 INFO L280 TraceCheckUtils]: 22: Hoare triple {35#false} assume !false; {35#false} is VALID [2020-07-10 14:39:27,578 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 14:39:27,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619917322] [2020-07-10 14:39:27,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 14:39:27,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-10 14:39:27,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400886017] [2020-07-10 14:39:27,588 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-07-10 14:39:27,591 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:39:27,595 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-10 14:39:27,641 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:39:27,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-10 14:39:27,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:39:27,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-10 14:39:27,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-10 14:39:27,654 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 4 states. [2020-07-10 14:39:28,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:39:28,000 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2020-07-10 14:39:28,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-10 14:39:28,000 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-07-10 14:39:28,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:39:28,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 14:39:28,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 67 transitions. [2020-07-10 14:39:28,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 14:39:28,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 67 transitions. [2020-07-10 14:39:28,031 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 67 transitions. [2020-07-10 14:39:28,168 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:39:28,190 INFO L225 Difference]: With dead ends: 54 [2020-07-10 14:39:28,191 INFO L226 Difference]: Without dead ends: 27 [2020-07-10 14:39:28,199 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 14:39:28,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-07-10 14:39:28,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-07-10 14:39:28,277 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:39:28,279 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand 27 states. [2020-07-10 14:39:28,280 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2020-07-10 14:39:28,280 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2020-07-10 14:39:28,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:39:28,285 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-07-10 14:39:28,286 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-07-10 14:39:28,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:39:28,287 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:39:28,287 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2020-07-10 14:39:28,287 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2020-07-10 14:39:28,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:39:28,299 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-07-10 14:39:28,301 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-07-10 14:39:28,302 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:39:28,303 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:39:28,304 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:39:28,304 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:39:28,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-07-10 14:39:28,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2020-07-10 14:39:28,309 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 23 [2020-07-10 14:39:28,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:39:28,310 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2020-07-10 14:39:28,310 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-10 14:39:28,311 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-07-10 14:39:28,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-10 14:39:28,312 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:39:28,312 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] [2020-07-10 14:39:28,313 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 14:39:28,313 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:39:28,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:39:28,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1241118945, now seen corresponding path program 1 times [2020-07-10 14:39:28,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:39:28,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816660797] [2020-07-10 14:39:28,316 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:39:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 14:39:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 14:39:28,647 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-10 14:39:28,647 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 14:39:28,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 14:39:28,691 WARN L170 areAnnotationChecker]: fabs_doubleENTRY has no Hoare annotation [2020-07-10 14:39:28,691 WARN L170 areAnnotationChecker]: isnan_doubleENTRY has no Hoare annotation [2020-07-10 14:39:28,692 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-10 14:39:28,692 WARN L170 areAnnotationChecker]: isinf_doubleENTRY has no Hoare annotation [2020-07-10 14:39:28,692 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 14:39:28,692 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 14:39:28,692 WARN L170 areAnnotationChecker]: __signbit_doubleENTRY has no Hoare annotation [2020-07-10 14:39:28,692 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 14:39:28,693 WARN L170 areAnnotationChecker]: L46-2 has no Hoare annotation [2020-07-10 14:39:28,693 WARN L170 areAnnotationChecker]: L46-2 has no Hoare annotation [2020-07-10 14:39:28,693 WARN L170 areAnnotationChecker]: isnan_doubleFINAL has no Hoare annotation [2020-07-10 14:39:28,693 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 14:39:28,693 WARN L170 areAnnotationChecker]: L32-2 has no Hoare annotation [2020-07-10 14:39:28,693 WARN L170 areAnnotationChecker]: L32-2 has no Hoare annotation [2020-07-10 14:39:28,693 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 14:39:28,694 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 14:39:28,694 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2020-07-10 14:39:28,694 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2020-07-10 14:39:28,695 WARN L170 areAnnotationChecker]: L69 has no Hoare annotation [2020-07-10 14:39:28,695 WARN L170 areAnnotationChecker]: L69 has no Hoare annotation [2020-07-10 14:39:28,695 WARN L170 areAnnotationChecker]: L46-1 has no Hoare annotation [2020-07-10 14:39:28,695 WARN L170 areAnnotationChecker]: L46-1 has no Hoare annotation [2020-07-10 14:39:28,695 WARN L170 areAnnotationChecker]: L51-1 has no Hoare annotation [2020-07-10 14:39:28,695 WARN L170 areAnnotationChecker]: L51-1 has no Hoare annotation [2020-07-10 14:39:28,696 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 14:39:28,696 WARN L170 areAnnotationChecker]: L32-1 has no Hoare annotation [2020-07-10 14:39:28,696 WARN L170 areAnnotationChecker]: L32-1 has no Hoare annotation [2020-07-10 14:39:28,696 WARN L170 areAnnotationChecker]: L32-3 has no Hoare annotation [2020-07-10 14:39:28,696 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 14:39:28,696 WARN L170 areAnnotationChecker]: L20-1 has no Hoare annotation [2020-07-10 14:39:28,697 WARN L170 areAnnotationChecker]: L20-1 has no Hoare annotation [2020-07-10 14:39:28,697 WARN L170 areAnnotationChecker]: L20-3 has no Hoare annotation [2020-07-10 14:39:28,697 WARN L170 areAnnotationChecker]: L69-1 has no Hoare annotation [2020-07-10 14:39:28,697 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-10 14:39:28,697 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-10 14:39:28,697 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-10 14:39:28,697 WARN L170 areAnnotationChecker]: isinf_doubleFINAL has no Hoare annotation [2020-07-10 14:39:28,698 WARN L170 areAnnotationChecker]: __signbit_doubleFINAL has no Hoare annotation [2020-07-10 14:39:28,698 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2020-07-10 14:39:28,698 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2020-07-10 14:39:28,698 WARN L170 areAnnotationChecker]: fabs_doubleFINAL has no Hoare annotation [2020-07-10 14:39:28,699 WARN L170 areAnnotationChecker]: isinf_doubleEXIT has no Hoare annotation [2020-07-10 14:39:28,699 WARN L170 areAnnotationChecker]: L72-1 has no Hoare annotation [2020-07-10 14:39:28,699 WARN L170 areAnnotationChecker]: fabs_doubleEXIT has no Hoare annotation [2020-07-10 14:39:28,699 WARN L170 areAnnotationChecker]: L72-2 has no Hoare annotation [2020-07-10 14:39:28,699 WARN L170 areAnnotationChecker]: L72-2 has no Hoare annotation [2020-07-10 14:39:28,699 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-10 14:39:28,700 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-10 14:39:28,700 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 14:39:28,700 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 14:39:28,700 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-10 14:39:28,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 02:39:28 BoogieIcfgContainer [2020-07-10 14:39:28,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 14:39:28,709 INFO L168 Benchmark]: Toolchain (without parser) took 2598.03 ms. Allocated memory was 142.1 MB in the beginning and 226.0 MB in the end (delta: 83.9 MB). Free memory was 98.4 MB in the beginning and 147.4 MB in the end (delta: -49.0 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2020-07-10 14:39:28,711 INFO L168 Benchmark]: CDTParser took 1.44 ms. Allocated memory is still 142.1 MB. Free memory was 117.1 MB in the beginning and 116.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 14:39:28,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.32 ms. Allocated memory was 142.1 MB in the beginning and 199.2 MB in the end (delta: 57.1 MB). Free memory was 98.2 MB in the beginning and 177.8 MB in the end (delta: -79.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2020-07-10 14:39:28,714 INFO L168 Benchmark]: Boogie Preprocessor took 56.42 ms. Allocated memory is still 199.2 MB. Free memory was 177.8 MB in the beginning and 175.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-07-10 14:39:28,715 INFO L168 Benchmark]: RCFGBuilder took 591.26 ms. Allocated memory is still 199.2 MB. Free memory was 175.1 MB in the beginning and 144.1 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. [2020-07-10 14:39:28,717 INFO L168 Benchmark]: TraceAbstraction took 1513.22 ms. Allocated memory was 199.2 MB in the beginning and 226.0 MB in the end (delta: 26.7 MB). Free memory was 143.4 MB in the beginning and 148.8 MB in the end (delta: -5.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2020-07-10 14:39:28,732 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 1.44 ms. Allocated memory is still 142.1 MB. Free memory was 117.1 MB in the beginning and 116.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 431.32 ms. Allocated memory was 142.1 MB in the beginning and 199.2 MB in the end (delta: 57.1 MB). Free memory was 98.2 MB in the beginning and 177.8 MB in the end (delta: -79.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.42 ms. Allocated memory is still 199.2 MB. Free memory was 177.8 MB in the beginning and 175.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 591.26 ms. Allocated memory is still 199.2 MB. Free memory was 175.1 MB in the beginning and 144.1 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1513.22 ms. Allocated memory was 199.2 MB in the beginning and 226.0 MB in the end (delta: 26.7 MB). Free memory was 143.4 MB in the beginning and 148.8 MB in the end (delta: -5.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 73]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 39, overapproximation of someBinaryArithmeticDOUBLEoperation at line 68, overapproximation of bitwiseAnd at line 38. Possible FailurePath: [L68] double x = 1.0 / 0.0; [L69] CALL, EXPR fabs_double(x) VAL [\old(x)=12884901900] [L45] __uint32_t high; VAL [\old(x)=12884901900, x=12884901900] [L47] ieee_double_shape_type gh_u; [L48] gh_u.value = (x) [L49] EXPR gh_u.parts.msw [L49] (high) = gh_u.parts.msw [L52] ieee_double_shape_type sh_u; [L53] sh_u.value = (x) [L54] sh_u.parts.msw = (high & 0x7fffffff) [L55] EXPR sh_u.value [L55] (x) = sh_u.value [L57] return x; VAL [\old(x)=12884901900, \result=12884901900, high=15, x=12884901900] [L69] RET, EXPR fabs_double(x) VAL [fabs_double(x)=12884901900, x=12884901900] [L69] double res = fabs_double(x); [L72] CALL, EXPR isinf_double(res) VAL [\old(x)=12884901900] [L31] __int32_t hx, lx; VAL [\old(x)=12884901900, x=12884901900] [L33] ieee_double_shape_type ew_u; [L34] ew_u.value = (x) [L35] EXPR ew_u.parts.msw [L35] (hx) = ew_u.parts.msw [L36] EXPR ew_u.parts.lsw [L36] (lx) = ew_u.parts.lsw [L38] hx &= 0x7fffffff [L39] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L40] hx = 0x7ff00000 - hx [L41] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=12884901900, \result=0, hx=2146435072, lx=-1, x=12884901900] [L72] RET, EXPR isinf_double(res) VAL [isinf_double(res)=0, res=12884901900, x=12884901900] [L72] COND TRUE !isinf_double(res) [L73] __VERIFIER_error() VAL [res=12884901900, x=12884901900] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 19 SDslu, 5 SDs, 0 SdLazy, 29 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 1210 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...