/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/float_req_bl_1131b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 14:42:14,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 14:42:14,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 14:42:14,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 14:42:14,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 14:42:14,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 14:42:14,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 14:42:14,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 14:42:14,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 14:42:14,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 14:42:14,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 14:42:14,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 14:42:14,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 14:42:14,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 14:42:14,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 14:42:14,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 14:42:14,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 14:42:14,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 14:42:14,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 14:42:14,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 14:42:14,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 14:42:14,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 14:42:14,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 14:42:14,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 14:42:14,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 14:42:14,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 14:42:14,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 14:42:14,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 14:42:14,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 14:42:14,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 14:42:14,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 14:42:14,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 14:42:14,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 14:42:14,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 14:42:14,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 14:42:14,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 14:42:14,202 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 14:42:14,240 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 14:42:14,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 14:42:14,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 14:42:14,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 14:42:14,244 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 14:42:14,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 14:42:14,245 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 14:42:14,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 14:42:14,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 14:42:14,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 14:42:14,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 14:42:14,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 14:42:14,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 14:42:14,246 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 14:42:14,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 14:42:14,249 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 14:42:14,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 14:42:14,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 14:42:14,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 14:42:14,250 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 14:42:14,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 14:42:14,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 14:42:14,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 14:42:14,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 14:42:14,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 14:42:14,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 14:42:14,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 14:42:14,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 14:42:14,252 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 14:42:14,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 14:42:14,571 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 14:42:14,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 14:42:14,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 14:42:14,590 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 14:42:14,590 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 14:42:14,591 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1131b.c [2020-07-10 14:42:14,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fce9d9c91/69a28a3adb874c469a5f96fac1c48b19/FLAG4829793e0 [2020-07-10 14:42:15,135 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 14:42:15,136 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1131b.c [2020-07-10 14:42:15,155 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fce9d9c91/69a28a3adb874c469a5f96fac1c48b19/FLAG4829793e0 [2020-07-10 14:42:15,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fce9d9c91/69a28a3adb874c469a5f96fac1c48b19 [2020-07-10 14:42:15,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 14:42:15,559 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 14:42:15,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 14:42:15,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 14:42:15,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 14:42:15,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:42:15" (1/1) ... [2020-07-10 14:42:15,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e787d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:15, skipping insertion in model container [2020-07-10 14:42:15,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:42:15" (1/1) ... [2020-07-10 14:42:15,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 14:42:15,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 14:42:15,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:42:15,887 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 14:42:16,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:42:16,070 INFO L208 MainTranslator]: Completed translation [2020-07-10 14:42:16,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:16 WrapperNode [2020-07-10 14:42:16,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 14:42:16,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 14:42:16,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 14:42:16,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 14:42:16,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:16" (1/1) ... [2020-07-10 14:42:16,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:16" (1/1) ... [2020-07-10 14:42:16,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:16" (1/1) ... [2020-07-10 14:42:16,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:16" (1/1) ... [2020-07-10 14:42:16,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:16" (1/1) ... [2020-07-10 14:42:16,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:16" (1/1) ... [2020-07-10 14:42:16,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:16" (1/1) ... [2020-07-10 14:42:16,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 14:42:16,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 14:42:16,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 14:42:16,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 14:42:16,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:16" (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 14:42:16,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 14:42:16,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 14:42:16,203 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2020-07-10 14:42:16,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2020-07-10 14:42:16,204 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 14:42:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 14:42:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-07-10 14:42:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2020-07-10 14:42:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 14:42:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-10 14:42:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 14:42:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 14:42:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-10 14:42:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 14:42:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2020-07-10 14:42:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 14:42:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 14:42:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-07-10 14:42:16,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 14:42:16,943 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 14:42:16,946 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-07-10 14:42:16,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:42:16 BoogieIcfgContainer [2020-07-10 14:42:16,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 14:42:16,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 14:42:16,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 14:42:16,962 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 14:42:16,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 02:42:15" (1/3) ... [2020-07-10 14:42:16,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cc3549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:42:16, skipping insertion in model container [2020-07-10 14:42:16,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:16" (2/3) ... [2020-07-10 14:42:16,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cc3549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:42:16, skipping insertion in model container [2020-07-10 14:42:16,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:42:16" (3/3) ... [2020-07-10 14:42:16,968 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131b.c [2020-07-10 14:42:16,979 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 14:42:16,990 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 14:42:17,006 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 14:42:17,039 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 14:42:17,040 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 14:42:17,040 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 14:42:17,040 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 14:42:17,041 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 14:42:17,041 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 14:42:17,041 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 14:42:17,041 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 14:42:17,069 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-07-10 14:42:17,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-10 14:42:17,077 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:42:17,079 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] [2020-07-10 14:42:17,079 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:42:17,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:42:17,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1081724134, now seen corresponding path program 1 times [2020-07-10 14:42:17,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:42:17,098 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482140333] [2020-07-10 14:42:17,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:42:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:42:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:42:17,335 INFO L280 TraceCheckUtils]: 0: Hoare triple {80#(and (= ~one_fmod~0 |old(~one_fmod~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#Zero_fmod~0.base| |old(~#Zero_fmod~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |~#Zero_fmod~0.offset| |old(~#Zero_fmod~0.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~one_fmod~0 := 1.0;call ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset := #Ultimate.allocOnStack(8);call write~init~real(0.0, ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(0.0), ~#Zero_fmod~0.base, 4 + ~#Zero_fmod~0.offset, 4); {63#true} is VALID [2020-07-10 14:42:17,335 INFO L280 TraceCheckUtils]: 1: Hoare triple {63#true} assume true; {63#true} is VALID [2020-07-10 14:42:17,336 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {63#true} {63#true} #211#return; {63#true} is VALID [2020-07-10 14:42:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:42:17,373 INFO L280 TraceCheckUtils]: 0: Hoare triple {81#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~ix~1; {63#true} is VALID [2020-07-10 14:42:17,374 INFO L280 TraceCheckUtils]: 1: Hoare triple {63#true} assume !true; {64#false} is VALID [2020-07-10 14:42:17,374 INFO L280 TraceCheckUtils]: 2: Hoare triple {64#false} ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647);#res := (if ~ix~1 < 2139095040 then 1 else 0); {64#false} is VALID [2020-07-10 14:42:17,375 INFO L280 TraceCheckUtils]: 3: Hoare triple {64#false} assume true; {64#false} is VALID [2020-07-10 14:42:17,375 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {64#false} {63#true} #207#return; {64#false} is VALID [2020-07-10 14:42:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:42:17,418 INFO L280 TraceCheckUtils]: 0: Hoare triple {81#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;~y := #in~y;havoc ~n~0;havoc ~hx~0;havoc ~hy~0;havoc ~hz~0;havoc ~ix~0;havoc ~iy~0;havoc ~sx~0;havoc ~i~0; {63#true} is VALID [2020-07-10 14:42:17,419 INFO L280 TraceCheckUtils]: 1: Hoare triple {63#true} assume !true; {64#false} is VALID [2020-07-10 14:42:17,419 INFO L280 TraceCheckUtils]: 2: Hoare triple {64#false} assume !true; {64#false} is VALID [2020-07-10 14:42:17,420 INFO L280 TraceCheckUtils]: 3: Hoare triple {64#false} ~sx~0 := (if ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 - 4294967296);~hx~0 := ~bitwiseXor(~hx~0, ~sx~0);~hy~0 := ~bitwiseAnd(~hy~0, 2147483647); {64#false} is VALID [2020-07-10 14:42:17,421 INFO L280 TraceCheckUtils]: 4: Hoare triple {64#false} assume (0 == ~hy~0 || !(~hx~0 < 2139095040)) || ~hy~0 > 2139095040;#res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~y), ~someBinaryArithmeticFLOAToperation(~x, ~y)); {64#false} is VALID [2020-07-10 14:42:17,422 INFO L280 TraceCheckUtils]: 5: Hoare triple {64#false} assume true; {64#false} is VALID [2020-07-10 14:42:17,422 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {64#false} {64#false} #209#return; {64#false} is VALID [2020-07-10 14:42:17,428 INFO L263 TraceCheckUtils]: 0: Hoare triple {63#true} call ULTIMATE.init(); {80#(and (= ~one_fmod~0 |old(~one_fmod~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#Zero_fmod~0.base| |old(~#Zero_fmod~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |~#Zero_fmod~0.offset| |old(~#Zero_fmod~0.offset)|))} is VALID [2020-07-10 14:42:17,428 INFO L280 TraceCheckUtils]: 1: Hoare triple {80#(and (= ~one_fmod~0 |old(~one_fmod~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#Zero_fmod~0.base| |old(~#Zero_fmod~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |~#Zero_fmod~0.offset| |old(~#Zero_fmod~0.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~one_fmod~0 := 1.0;call ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset := #Ultimate.allocOnStack(8);call write~init~real(0.0, ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(0.0), ~#Zero_fmod~0.base, 4 + ~#Zero_fmod~0.offset, 4); {63#true} is VALID [2020-07-10 14:42:17,429 INFO L280 TraceCheckUtils]: 2: Hoare triple {63#true} assume true; {63#true} is VALID [2020-07-10 14:42:17,430 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {63#true} {63#true} #211#return; {63#true} is VALID [2020-07-10 14:42:17,430 INFO L263 TraceCheckUtils]: 4: Hoare triple {63#true} call #t~ret17 := main(); {63#true} is VALID [2020-07-10 14:42:17,431 INFO L280 TraceCheckUtils]: 5: Hoare triple {63#true} ~x~0 := #t~nondet14;havoc #t~nondet14;~y~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); {63#true} is VALID [2020-07-10 14:42:17,433 INFO L263 TraceCheckUtils]: 6: Hoare triple {63#true} call #t~ret15 := isfinite_float(~x~0); {81#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 14:42:17,435 INFO L280 TraceCheckUtils]: 7: Hoare triple {81#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~ix~1; {63#true} is VALID [2020-07-10 14:42:17,437 INFO L280 TraceCheckUtils]: 8: Hoare triple {63#true} assume !true; {64#false} is VALID [2020-07-10 14:42:17,437 INFO L280 TraceCheckUtils]: 9: Hoare triple {64#false} ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647);#res := (if ~ix~1 < 2139095040 then 1 else 0); {64#false} is VALID [2020-07-10 14:42:17,437 INFO L280 TraceCheckUtils]: 10: Hoare triple {64#false} assume true; {64#false} is VALID [2020-07-10 14:42:17,438 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {64#false} {63#true} #207#return; {64#false} is VALID [2020-07-10 14:42:17,438 INFO L280 TraceCheckUtils]: 12: Hoare triple {64#false} assume -2147483648 <= #t~ret15 && #t~ret15 <= 2147483647; {64#false} is VALID [2020-07-10 14:42:17,439 INFO L280 TraceCheckUtils]: 13: Hoare triple {64#false} assume 0 != #t~ret15;havoc #t~ret15; {64#false} is VALID [2020-07-10 14:42:17,439 INFO L263 TraceCheckUtils]: 14: Hoare triple {64#false} call #t~ret16 := fmod_float(~x~0, ~y~0); {81#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 14:42:17,439 INFO L280 TraceCheckUtils]: 15: Hoare triple {81#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;~y := #in~y;havoc ~n~0;havoc ~hx~0;havoc ~hy~0;havoc ~hz~0;havoc ~ix~0;havoc ~iy~0;havoc ~sx~0;havoc ~i~0; {63#true} is VALID [2020-07-10 14:42:17,443 INFO L280 TraceCheckUtils]: 16: Hoare triple {63#true} assume !true; {64#false} is VALID [2020-07-10 14:42:17,443 INFO L280 TraceCheckUtils]: 17: Hoare triple {64#false} assume !true; {64#false} is VALID [2020-07-10 14:42:17,444 INFO L280 TraceCheckUtils]: 18: Hoare triple {64#false} ~sx~0 := (if ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 - 4294967296);~hx~0 := ~bitwiseXor(~hx~0, ~sx~0);~hy~0 := ~bitwiseAnd(~hy~0, 2147483647); {64#false} is VALID [2020-07-10 14:42:17,444 INFO L280 TraceCheckUtils]: 19: Hoare triple {64#false} assume (0 == ~hy~0 || !(~hx~0 < 2139095040)) || ~hy~0 > 2139095040;#res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~y), ~someBinaryArithmeticFLOAToperation(~x, ~y)); {64#false} is VALID [2020-07-10 14:42:17,444 INFO L280 TraceCheckUtils]: 20: Hoare triple {64#false} assume true; {64#false} is VALID [2020-07-10 14:42:17,445 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {64#false} {64#false} #209#return; {64#false} is VALID [2020-07-10 14:42:17,445 INFO L280 TraceCheckUtils]: 22: Hoare triple {64#false} ~res~0 := #t~ret16;havoc #t~ret16; {64#false} is VALID [2020-07-10 14:42:17,446 INFO L280 TraceCheckUtils]: 23: Hoare triple {64#false} assume ~someBinaryFLOATComparisonOperation(~res~0, ~x~0); {64#false} is VALID [2020-07-10 14:42:17,446 INFO L280 TraceCheckUtils]: 24: Hoare triple {64#false} assume !false; {64#false} is VALID [2020-07-10 14:42:17,454 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 14:42:17,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482140333] [2020-07-10 14:42:17,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 14:42:17,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-10 14:42:17,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692381602] [2020-07-10 14:42:17,472 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-07-10 14:42:17,478 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:42:17,483 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-10 14:42:17,541 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:42:17,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-10 14:42:17,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:42:17,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-10 14:42:17,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-10 14:42:17,554 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 4 states. [2020-07-10 14:42:18,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:42:18,162 INFO L93 Difference]: Finished difference Result 112 states and 175 transitions. [2020-07-10 14:42:18,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-10 14:42:18,163 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-07-10 14:42:18,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:42:18,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 14:42:18,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 175 transitions. [2020-07-10 14:42:18,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 14:42:18,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 175 transitions. [2020-07-10 14:42:18,189 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 175 transitions. [2020-07-10 14:42:18,427 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 175 edges. 175 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:42:18,442 INFO L225 Difference]: With dead ends: 112 [2020-07-10 14:42:18,443 INFO L226 Difference]: Without dead ends: 55 [2020-07-10 14:42:18,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-10 14:42:18,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-07-10 14:42:18,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-07-10 14:42:18,528 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:42:18,529 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand 55 states. [2020-07-10 14:42:18,530 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-10 14:42:18,530 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-10 14:42:18,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:42:18,538 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2020-07-10 14:42:18,538 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2020-07-10 14:42:18,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:42:18,539 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:42:18,540 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-10 14:42:18,540 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-10 14:42:18,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:42:18,546 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2020-07-10 14:42:18,547 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2020-07-10 14:42:18,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:42:18,548 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:42:18,548 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:42:18,549 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:42:18,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-10 14:42:18,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2020-07-10 14:42:18,555 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 25 [2020-07-10 14:42:18,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:42:18,556 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2020-07-10 14:42:18,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-10 14:42:18,556 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2020-07-10 14:42:18,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-10 14:42:18,558 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:42:18,558 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] [2020-07-10 14:42:18,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 14:42:18,559 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:42:18,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:42:18,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1695884658, now seen corresponding path program 1 times [2020-07-10 14:42:18,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:42:18,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170505777] [2020-07-10 14:42:18,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:42:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 14:42:18,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 14:42:18,808 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:1012) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1159) 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.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.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) [2020-07-10 14:42:18,815 INFO L168 Benchmark]: Toolchain (without parser) took 3255.27 ms. Allocated memory was 144.7 MB in the beginning and 234.4 MB in the end (delta: 89.7 MB). Free memory was 102.0 MB in the beginning and 80.3 MB in the end (delta: 21.7 MB). Peak memory consumption was 111.4 MB. Max. memory is 7.1 GB. [2020-07-10 14:42:18,816 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 14:42:18,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.75 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.8 MB in the beginning and 177.5 MB in the end (delta: -75.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2020-07-10 14:42:18,829 INFO L168 Benchmark]: Boogie Preprocessor took 65.21 ms. Allocated memory is still 201.9 MB. Free memory was 177.5 MB in the beginning and 174.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-07-10 14:42:18,830 INFO L168 Benchmark]: RCFGBuilder took 813.29 ms. Allocated memory is still 201.9 MB. Free memory was 174.8 MB in the beginning and 127.3 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 7.1 GB. [2020-07-10 14:42:18,834 INFO L168 Benchmark]: TraceAbstraction took 1853.31 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 127.3 MB in the beginning and 80.3 MB in the end (delta: 47.0 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. [2020-07-10 14:42:18,838 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 0.25 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 506.75 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.8 MB in the beginning and 177.5 MB in the end (delta: -75.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.21 ms. Allocated memory is still 201.9 MB. Free memory was 177.5 MB in the beginning and 174.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 813.29 ms. Allocated memory is still 201.9 MB. Free memory was 174.8 MB in the beginning and 127.3 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1853.31 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 127.3 MB in the beginning and 80.3 MB in the end (delta: 47.0 MB). Peak memory consumption was 79.5 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...