/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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-benchs/cast_float_ptr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 21:56:20,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 21:56:20,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 21:56:20,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 21:56:20,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 21:56:20,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 21:56:20,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 21:56:20,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 21:56:20,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 21:56:20,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 21:56:20,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 21:56:20,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 21:56:20,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 21:56:20,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 21:56:20,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 21:56:20,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 21:56:20,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 21:56:20,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 21:56:20,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 21:56:20,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 21:56:20,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 21:56:20,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 21:56:20,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 21:56:20,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 21:56:20,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-06 21:56:20,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 21:56:20,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 21:56:20,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 21:56:20,849 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 [2020-11-06 21:56:20,877 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 21:56:20,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 21:56:20,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 21:56:20,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 21:56:20,880 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 21:56:20,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 21:56:20,881 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 21:56:20,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 21:56:20,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 21:56:20,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 21:56:20,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 21:56:20,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 21:56:20,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 21:56:20,883 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 21:56:20,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 21:56:20,884 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 21:56:20,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 21:56:20,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 21:56:20,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 21:56:20,885 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 21:56:20,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 21:56:20,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:56:20,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 21:56:20,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 21:56:20,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 21:56:20,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 21:56:20,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 21:56:20,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 21:56:20,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 21:56:20,888 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 21:56:21,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 21:56:21,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 21:56:21,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 21:56:21,363 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 21:56:21,364 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 21:56:21,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_float_ptr.c [2020-11-06 21:56:21,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0cecd818/5cbc7c3275534cf0be8e90ed5e911bf5/FLAGa77371ae6 [2020-11-06 21:56:22,115 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 21:56:22,116 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_float_ptr.c [2020-11-06 21:56:22,123 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0cecd818/5cbc7c3275534cf0be8e90ed5e911bf5/FLAGa77371ae6 [2020-11-06 21:56:22,506 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0cecd818/5cbc7c3275534cf0be8e90ed5e911bf5 [2020-11-06 21:56:22,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 21:56:22,521 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 21:56:22,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 21:56:22,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 21:56:22,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 21:56:22,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:56:22" (1/1) ... [2020-11-06 21:56:22,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65c2a7b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:22, skipping insertion in model container [2020-11-06 21:56:22,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:56:22" (1/1) ... [2020-11-06 21:56:22,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 21:56:22,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 21:56:22,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:56:22,807 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 21:56:22,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:56:22,847 INFO L208 MainTranslator]: Completed translation [2020-11-06 21:56:22,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:22 WrapperNode [2020-11-06 21:56:22,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 21:56:22,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 21:56:22,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 21:56:22,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 21:56:22,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:22" (1/1) ... [2020-11-06 21:56:22,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:22" (1/1) ... [2020-11-06 21:56:22,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:22" (1/1) ... [2020-11-06 21:56:22,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:22" (1/1) ... [2020-11-06 21:56:22,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:22" (1/1) ... [2020-11-06 21:56:22,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:22" (1/1) ... [2020-11-06 21:56:22,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:22" (1/1) ... [2020-11-06 21:56:22,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 21:56:22,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 21:56:22,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 21:56:22,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 21:56:22,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:22" (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 [2020-11-06 21:56:22,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 21:56:22,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 21:56:22,984 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 21:56:22,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-06 21:56:22,984 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2020-11-06 21:56:22,985 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 21:56:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 21:56:22,986 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 21:56:22,986 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 21:56:22,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 21:56:22,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-11-06 21:56:22,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-06 21:56:22,987 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2020-11-06 21:56:22,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-06 21:56:22,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 21:56:22,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 21:56:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 21:56:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-06 21:56:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 21:56:22,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 21:56:22,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 21:56:22,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 21:56:23,540 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 21:56:23,541 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-06 21:56:23,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:56:23 BoogieIcfgContainer [2020-11-06 21:56:23,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 21:56:23,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 21:56:23,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 21:56:23,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 21:56:23,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:56:22" (1/3) ... [2020-11-06 21:56:23,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a68e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:56:23, skipping insertion in model container [2020-11-06 21:56:23,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:22" (2/3) ... [2020-11-06 21:56:23,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a68e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:56:23, skipping insertion in model container [2020-11-06 21:56:23,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:56:23" (3/3) ... [2020-11-06 21:56:23,552 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2020-11-06 21:56:23,567 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 21:56:23,571 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 21:56:23,583 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 21:56:23,610 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 21:56:23,610 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 21:56:23,611 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 21:56:23,611 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 21:56:23,611 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 21:56:23,611 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 21:56:23,611 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 21:56:23,611 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 21:56:23,628 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-11-06 21:56:23,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-06 21:56:23,634 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:56:23,635 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:56:23,635 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:56:23,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:56:23,642 INFO L82 PathProgramCache]: Analyzing trace with hash 37097138, now seen corresponding path program 1 times [2020-11-06 21:56:23,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:56:23,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680984275] [2020-11-06 21:56:23,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:56:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 21:56:23,853 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 21:56:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 21:56:23,927 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 21:56:23,964 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-06 21:56:23,965 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-06 21:56:23,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 21:56:23,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:56:23 BoogieIcfgContainer [2020-11-06 21:56:24,000 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 21:56:24,003 INFO L168 Benchmark]: Toolchain (without parser) took 1486.67 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 114.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 13.2 MB. Max. memory is 8.0 GB. [2020-11-06 21:56:24,004 INFO L168 Benchmark]: CDTParser took 1.51 ms. Allocated memory is still 125.8 MB. Free memory was 99.5 MB in the beginning and 99.4 MB in the end (delta: 120.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 21:56:24,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.10 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 115.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-06 21:56:24,011 INFO L168 Benchmark]: Boogie Preprocessor took 44.64 ms. Allocated memory is still 151.0 MB. Free memory was 115.7 MB in the beginning and 114.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-06 21:56:24,012 INFO L168 Benchmark]: RCFGBuilder took 647.63 ms. Allocated memory is still 151.0 MB. Free memory was 114.2 MB in the beginning and 129.9 MB in the end (delta: -15.6 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB. [2020-11-06 21:56:24,013 INFO L168 Benchmark]: TraceAbstraction took 455.25 ms. Allocated memory is still 151.0 MB. Free memory was 129.9 MB in the beginning and 114.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-11-06 21:56:24,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.51 ms. Allocated memory is still 125.8 MB. Free memory was 99.5 MB in the beginning and 99.4 MB in the end (delta: 120.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 323.10 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 115.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 44.64 ms. Allocated memory is still 151.0 MB. Free memory was 115.7 MB in the beginning and 114.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 647.63 ms. Allocated memory is still 151.0 MB. Free memory was 114.2 MB in the beginning and 129.9 MB in the end (delta: -15.6 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 455.25 ms. Allocated memory is still 151.0 MB. Free memory was 129.9 MB in the beginning and 114.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 25, overapproximation of bitwiseAnd at line 13. Possible FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L38] CALL cast(a) VAL [\old(d)=3758096390] [L10] double dmax; [L11] float f; [L13] EXPR \read(d) VAL [\old(d)=3758096390, \read(d)=3758096387, d={9:0}, dmax={10:0}, f={3:0}] [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) VAL [\old(d)=3758096390, \read(d)=3758096390, \read(dmax)=3758096391, d={9:0}, dmax={10:0}, f={3:0}] [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) VAL [\old(d)=3758096390, \read(d)=3758096390, \read(dmax)=3758096391, d={9:0}, dmax={10:0}, f={3:0}] [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 VAL [\old(d)=3758096390, \read(d)=3758096390, \read(d)=3758096390, d={9:0}, dmax={10:0}, f={3:0}] [L25] CALL __VERIFIER_assert(d >= -3.41e38 && d <= 3.41e38) VAL [\old(cond)=0] [L5] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] CALL reach_error() [L3] __assert_fail("0", "cast_float_ptr.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...