/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_1131b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:04:19,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:04:19,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:04:19,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:04:19,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:04:19,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:04:19,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:04:19,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:04:19,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:04:19,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:04:19,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:04:19,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:04:19,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:04:19,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:04:19,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:04:19,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:04:19,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:04:19,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:04:19,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:04:19,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:04:19,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:04:19,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:04:19,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:04:19,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:04:19,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:04:19,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:04:19,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:04:19,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:04:19,078 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 22:04:19,092 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:04:19,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:04:19,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:04:19,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:04:19,094 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:04:19,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:04:19,095 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:04:19,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:04:19,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:04:19,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:04:19,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:04:19,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:04:19,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:04:19,096 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:04:19,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:04:19,097 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:04:19,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:04:19,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:04:19,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:04:19,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:04:19,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:04:19,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:04:19,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:04:19,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:04:19,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:04:19,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:04:19,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:04:19,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:04:19,099 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:04:19,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:04:19,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:04:19,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:04:19,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:04:19,383 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:04:19,384 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:04:19,385 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1131b.c [2020-07-17 22:04:19,463 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a39204a8/569e0d078937421d9b020a8516379a8b/FLAG1300ea252 [2020-07-17 22:04:19,965 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:04:19,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1131b.c [2020-07-17 22:04:19,973 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a39204a8/569e0d078937421d9b020a8516379a8b/FLAG1300ea252 [2020-07-17 22:04:20,314 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a39204a8/569e0d078937421d9b020a8516379a8b [2020-07-17 22:04:20,322 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:04:20,325 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:04:20,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:04:20,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:04:20,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:04:20,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:04:20" (1/1) ... [2020-07-17 22:04:20,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3901019d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:20, skipping insertion in model container [2020-07-17 22:04:20,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:04:20" (1/1) ... [2020-07-17 22:04:20,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:04:20,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:04:20,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:04:20,679 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:04:20,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:04:20,846 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:04:20,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:20 WrapperNode [2020-07-17 22:04:20,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:04:20,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:04:20,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:04:20,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:04:20,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:20" (1/1) ... [2020-07-17 22:04:20,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:20" (1/1) ... [2020-07-17 22:04:20,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:20" (1/1) ... [2020-07-17 22:04:20,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:20" (1/1) ... [2020-07-17 22:04:20,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:20" (1/1) ... [2020-07-17 22:04:20,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:20" (1/1) ... [2020-07-17 22:04:20,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:20" (1/1) ... [2020-07-17 22:04:20,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:04:20,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:04:20,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:04:20,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:04:20,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:04:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:04:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:04:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double [2020-07-17 22:04:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2020-07-17 22:04:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:04:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:04:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-17 22:04:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double [2020-07-17 22:04:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 22:04:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 22:04:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 22:04:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 22:04:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 22:04:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 22:04:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2020-07-17 22:04:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:04:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:04:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-07-17 22:04:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:04:21,888 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:04:21,888 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-07-17 22:04:21,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:04:21 BoogieIcfgContainer [2020-07-17 22:04:21,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:04:21,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:04:21,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:04:21,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:04:21,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:04:20" (1/3) ... [2020-07-17 22:04:21,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e59548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:04:21, skipping insertion in model container [2020-07-17 22:04:21,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:20" (2/3) ... [2020-07-17 22:04:21,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e59548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:04:21, skipping insertion in model container [2020-07-17 22:04:21,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:04:21" (3/3) ... [2020-07-17 22:04:21,902 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131b.c [2020-07-17 22:04:21,912 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:04:21,921 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:04:21,935 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:04:21,960 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:04:21,960 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:04:21,960 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:04:21,960 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:04:21,960 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:04:21,961 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:04:21,961 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:04:21,961 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:04:21,978 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2020-07-17 22:04:21,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-17 22:04:21,985 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:04:21,986 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] [2020-07-17 22:04:21,987 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:04:21,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:04:21,992 INFO L82 PathProgramCache]: Analyzing trace with hash -759211570, now seen corresponding path program 1 times [2020-07-17 22:04:22,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:04:22,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842441812] [2020-07-17 22:04:22,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:04:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:04:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:04:22,225 INFO L280 TraceCheckUtils]: 0: Hoare triple {93#(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(16);call write~init~real(0.0, ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 8);call write~init~real(~someUnaryDOUBLEoperation(0.0), ~#Zero_fmod~0.base, 8 + ~#Zero_fmod~0.offset, 8); {76#true} is VALID [2020-07-17 22:04:22,226 INFO L280 TraceCheckUtils]: 1: Hoare triple {76#true} assume true; {76#true} is VALID [2020-07-17 22:04:22,226 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {76#true} {76#true} #285#return; {76#true} is VALID [2020-07-17 22:04:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:04:22,256 INFO L280 TraceCheckUtils]: 0: Hoare triple {94#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~hx~1; {76#true} is VALID [2020-07-17 22:04:22,257 INFO L280 TraceCheckUtils]: 1: Hoare triple {76#true} assume !true; {77#false} is VALID [2020-07-17 22:04:22,258 INFO L280 TraceCheckUtils]: 2: Hoare triple {77#false} #res := (if (~bitwiseAnd(~hx~1, 2147483647) - 2146435072) / 2147483648 % 4294967296 % 4294967296 <= 2147483647 then (~bitwiseAnd(~hx~1, 2147483647) - 2146435072) / 2147483648 % 4294967296 % 4294967296 else (~bitwiseAnd(~hx~1, 2147483647) - 2146435072) / 2147483648 % 4294967296 % 4294967296 - 4294967296); {77#false} is VALID [2020-07-17 22:04:22,273 INFO L280 TraceCheckUtils]: 3: Hoare triple {77#false} assume true; {77#false} is VALID [2020-07-17 22:04:22,276 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {77#false} {76#true} #281#return; {77#false} is VALID [2020-07-17 22:04:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:04:22,287 INFO L280 TraceCheckUtils]: 0: Hoare triple {94#(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;havoc ~lx~0;havoc ~ly~0;havoc ~lz~0; {76#true} is VALID [2020-07-17 22:04:22,288 INFO L280 TraceCheckUtils]: 1: Hoare triple {76#true} assume !true; {77#false} is VALID [2020-07-17 22:04:22,288 INFO L280 TraceCheckUtils]: 2: Hoare triple {77#false} assume !true; {77#false} is VALID [2020-07-17 22:04:22,288 INFO L280 TraceCheckUtils]: 3: Hoare triple {77#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); {77#false} is VALID [2020-07-17 22:04:22,289 INFO L280 TraceCheckUtils]: 4: Hoare triple {77#false} assume (0 == ~bitwiseOr(~hy~0, ~ly~0) % 4294967296 || ~hx~0 >= 2146435072) || ~bitwiseOr(~hy~0, ~bitwiseOr(~ly~0, -~ly~0) / 2147483648) % 4294967296 > 2146435072;#res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x, ~y), ~someBinaryArithmeticDOUBLEoperation(~x, ~y)); {77#false} is VALID [2020-07-17 22:04:22,289 INFO L280 TraceCheckUtils]: 5: Hoare triple {77#false} assume true; {77#false} is VALID [2020-07-17 22:04:22,290 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {77#false} {77#false} #283#return; {77#false} is VALID [2020-07-17 22:04:22,292 INFO L263 TraceCheckUtils]: 0: Hoare triple {76#true} call ULTIMATE.init(); {93#(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 [2020-07-17 22:04:22,292 INFO L280 TraceCheckUtils]: 1: Hoare triple {93#(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(16);call write~init~real(0.0, ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 8);call write~init~real(~someUnaryDOUBLEoperation(0.0), ~#Zero_fmod~0.base, 8 + ~#Zero_fmod~0.offset, 8); {76#true} is VALID [2020-07-17 22:04:22,293 INFO L280 TraceCheckUtils]: 2: Hoare triple {76#true} assume true; {76#true} is VALID [2020-07-17 22:04:22,293 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {76#true} {76#true} #285#return; {76#true} is VALID [2020-07-17 22:04:22,293 INFO L263 TraceCheckUtils]: 4: Hoare triple {76#true} call #t~ret21 := main(); {76#true} is VALID [2020-07-17 22:04:22,294 INFO L280 TraceCheckUtils]: 5: Hoare triple {76#true} ~y~0 := ~someBinaryArithmeticDOUBLEoperation(~someUnaryDOUBLEoperation(1.0), 0.0);~x~0 := #t~nondet18;havoc #t~nondet18; {76#true} is VALID [2020-07-17 22:04:22,295 INFO L263 TraceCheckUtils]: 6: Hoare triple {76#true} call #t~ret19 := isfinite_double(~x~0); {94#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:04:22,296 INFO L280 TraceCheckUtils]: 7: Hoare triple {94#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~hx~1; {76#true} is VALID [2020-07-17 22:04:22,297 INFO L280 TraceCheckUtils]: 8: Hoare triple {76#true} assume !true; {77#false} is VALID [2020-07-17 22:04:22,297 INFO L280 TraceCheckUtils]: 9: Hoare triple {77#false} #res := (if (~bitwiseAnd(~hx~1, 2147483647) - 2146435072) / 2147483648 % 4294967296 % 4294967296 <= 2147483647 then (~bitwiseAnd(~hx~1, 2147483647) - 2146435072) / 2147483648 % 4294967296 % 4294967296 else (~bitwiseAnd(~hx~1, 2147483647) - 2146435072) / 2147483648 % 4294967296 % 4294967296 - 4294967296); {77#false} is VALID [2020-07-17 22:04:22,297 INFO L280 TraceCheckUtils]: 10: Hoare triple {77#false} assume true; {77#false} is VALID [2020-07-17 22:04:22,298 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {77#false} {76#true} #281#return; {77#false} is VALID [2020-07-17 22:04:22,298 INFO L280 TraceCheckUtils]: 12: Hoare triple {77#false} assume -2147483648 <= #t~ret19 && #t~ret19 <= 2147483647; {77#false} is VALID [2020-07-17 22:04:22,298 INFO L280 TraceCheckUtils]: 13: Hoare triple {77#false} assume 0 != #t~ret19;havoc #t~ret19; {77#false} is VALID [2020-07-17 22:04:22,299 INFO L263 TraceCheckUtils]: 14: Hoare triple {77#false} call #t~ret20 := fmod_double(~x~0, ~y~0); {94#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:04:22,299 INFO L280 TraceCheckUtils]: 15: Hoare triple {94#(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;havoc ~lx~0;havoc ~ly~0;havoc ~lz~0; {76#true} is VALID [2020-07-17 22:04:22,300 INFO L280 TraceCheckUtils]: 16: Hoare triple {76#true} assume !true; {77#false} is VALID [2020-07-17 22:04:22,300 INFO L280 TraceCheckUtils]: 17: Hoare triple {77#false} assume !true; {77#false} is VALID [2020-07-17 22:04:22,301 INFO L280 TraceCheckUtils]: 18: Hoare triple {77#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); {77#false} is VALID [2020-07-17 22:04:22,301 INFO L280 TraceCheckUtils]: 19: Hoare triple {77#false} assume (0 == ~bitwiseOr(~hy~0, ~ly~0) % 4294967296 || ~hx~0 >= 2146435072) || ~bitwiseOr(~hy~0, ~bitwiseOr(~ly~0, -~ly~0) / 2147483648) % 4294967296 > 2146435072;#res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x, ~y), ~someBinaryArithmeticDOUBLEoperation(~x, ~y)); {77#false} is VALID [2020-07-17 22:04:22,301 INFO L280 TraceCheckUtils]: 20: Hoare triple {77#false} assume true; {77#false} is VALID [2020-07-17 22:04:22,302 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {77#false} {77#false} #283#return; {77#false} is VALID [2020-07-17 22:04:22,302 INFO L280 TraceCheckUtils]: 22: Hoare triple {77#false} ~res~0 := #t~ret20;havoc #t~ret20; {77#false} is VALID [2020-07-17 22:04:22,302 INFO L280 TraceCheckUtils]: 23: Hoare triple {77#false} assume ~someBinaryDOUBLEComparisonOperation(~res~0, ~x~0); {77#false} is VALID [2020-07-17 22:04:22,303 INFO L280 TraceCheckUtils]: 24: Hoare triple {77#false} assume !false; {77#false} is VALID [2020-07-17 22:04:22,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:04:22,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842441812] [2020-07-17 22:04:22,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:04:22,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 22:04:22,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852037079] [2020-07-17 22:04:22,316 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-07-17 22:04:22,319 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:04:22,323 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 22:04:22,369 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:04:22,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 22:04:22,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:04:22,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 22:04:22,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 22:04:22,380 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 4 states. [2020-07-17 22:04:23,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:04:23,076 INFO L93 Difference]: Finished difference Result 138 states and 227 transitions. [2020-07-17 22:04:23,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 22:04:23,076 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-07-17 22:04:23,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:04:23,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:04:23,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2020-07-17 22:04:23,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:04:23,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2020-07-17 22:04:23,124 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 227 transitions. [2020-07-17 22:04:23,516 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 227 edges. 227 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:04:23,544 INFO L225 Difference]: With dead ends: 138 [2020-07-17 22:04:23,545 INFO L226 Difference]: Without dead ends: 68 [2020-07-17 22:04:23,551 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 [2020-07-17 22:04:23,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-07-17 22:04:23,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-07-17 22:04:23,623 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:04:23,623 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 68 states. [2020-07-17 22:04:23,624 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2020-07-17 22:04:23,624 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2020-07-17 22:04:23,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:04:23,631 INFO L93 Difference]: Finished difference Result 68 states and 94 transitions. [2020-07-17 22:04:23,631 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2020-07-17 22:04:23,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:04:23,633 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:04:23,633 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2020-07-17 22:04:23,633 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2020-07-17 22:04:23,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:04:23,640 INFO L93 Difference]: Finished difference Result 68 states and 94 transitions. [2020-07-17 22:04:23,640 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2020-07-17 22:04:23,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:04:23,642 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:04:23,642 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:04:23,642 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:04:23,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-07-17 22:04:23,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2020-07-17 22:04:23,649 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 25 [2020-07-17 22:04:23,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:04:23,649 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2020-07-17 22:04:23,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 22:04:23,650 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2020-07-17 22:04:23,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-17 22:04:23,651 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:04:23,651 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] [2020-07-17 22:04:23,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:04:23,652 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:04:23,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:04:23,653 INFO L82 PathProgramCache]: Analyzing trace with hash -775583586, now seen corresponding path program 1 times [2020-07-17 22:04:23,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:04:23,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302398760] [2020-07-17 22:04:23,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:04:23,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:04:23,836 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.generateLinVar(LinArSolve.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.createEquality(LinArSolve.java:1974) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:83) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createAtom(EqualityProxy.java:165) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.getLiteral(EqualityProxy.java:186) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:1891) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:664) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1010) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1157) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:117) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:494) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:446) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:214) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:96) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-17 22:04:23,842 INFO L168 Benchmark]: Toolchain (without parser) took 3517.74 ms. Allocated memory was 136.8 MB in the beginning and 250.1 MB in the end (delta: 113.2 MB). Free memory was 101.4 MB in the beginning and 185.4 MB in the end (delta: -84.0 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2020-07-17 22:04:23,843 INFO L168 Benchmark]: CDTParser took 1.54 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 22:04:23,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.42 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 101.1 MB in the beginning and 174.7 MB in the end (delta: -73.6 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-07-17 22:04:23,845 INFO L168 Benchmark]: Boogie Preprocessor took 115.02 ms. Allocated memory is still 200.3 MB. Free memory was 174.7 MB in the beginning and 171.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2020-07-17 22:04:23,846 INFO L168 Benchmark]: RCFGBuilder took 930.90 ms. Allocated memory is still 200.3 MB. Free memory was 171.3 MB in the beginning and 108.6 MB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 7.1 GB. [2020-07-17 22:04:23,847 INFO L168 Benchmark]: TraceAbstraction took 1944.66 ms. Allocated memory was 200.3 MB in the beginning and 250.1 MB in the end (delta: 49.8 MB). Free memory was 107.9 MB in the beginning and 185.4 MB in the end (delta: -77.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-17 22:04:23,851 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 1.54 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 520.42 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 101.1 MB in the beginning and 174.7 MB in the end (delta: -73.6 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.02 ms. Allocated memory is still 200.3 MB. Free memory was 174.7 MB in the beginning and 171.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 930.90 ms. Allocated memory is still 200.3 MB. Free memory was 171.3 MB in the beginning and 108.6 MB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1944.66 ms. Allocated memory was 200.3 MB in the beginning and 250.1 MB in the end (delta: 49.8 MB). Free memory was 107.9 MB in the beginning and 185.4 MB in the end (delta: -77.5 MB). There was no memory consumed. 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...