/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 17:34:42,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 17:34:42,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 17:34:42,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 17:34:42,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 17:34:42,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 17:34:42,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 17:34:42,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 17:34:42,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 17:34:42,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 17:34:42,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 17:34:42,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 17:34:42,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 17:34:42,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 17:34:42,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 17:34:42,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 17:34:42,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 17:34:42,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 17:34:42,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 17:34:42,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 17:34:42,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 17:34:42,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 17:34:42,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 17:34:42,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 17:34:42,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 17:34:42,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 17:34:42,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 17:34:42,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 17:34:42,748 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 17:34:42,766 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 17:34:42,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 17:34:42,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 17:34:42,772 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 17:34:42,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 17:34:42,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 17:34:42,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 17:34:42,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 17:34:42,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 17:34:42,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 17:34:42,775 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 17:34:42,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 17:34:42,775 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 17:34:42,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 17:34:42,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 17:34:42,776 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 17:34:42,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 17:34:42,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 17:34:42,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 17:34:42,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 17:34:42,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 17:34:42,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 17:34:42,777 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 17:34:43,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 17:34:43,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 17:34:43,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 17:34:43,242 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 17:34:43,243 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 17:34:43,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c [2021-02-23 17:34:43,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018d0091c/144184349f3b48fdaa19aced0228716f/FLAG136bda48b [2021-02-23 17:34:43,908 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 17:34:43,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c [2021-02-23 17:34:43,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018d0091c/144184349f3b48fdaa19aced0228716f/FLAG136bda48b [2021-02-23 17:34:44,338 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018d0091c/144184349f3b48fdaa19aced0228716f [2021-02-23 17:34:44,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 17:34:44,358 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 17:34:44,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 17:34:44,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 17:34:44,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 17:34:44,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 05:34:44" (1/1) ... [2021-02-23 17:34:44,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ee94810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:34:44, skipping insertion in model container [2021-02-23 17:34:44,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 05:34:44" (1/1) ... [2021-02-23 17:34:44,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 17:34:44,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 17:34:44,636 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c[352,365] [2021-02-23 17:34:44,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 17:34:44,655 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 17:34:44,673 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c[352,365] [2021-02-23 17:34:44,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 17:34:44,691 INFO L208 MainTranslator]: Completed translation [2021-02-23 17:34:44,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:34:44 WrapperNode [2021-02-23 17:34:44,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 17:34:44,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 17:34:44,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 17:34:44,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 17:34:44,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:34:44" (1/1) ... [2021-02-23 17:34:44,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:34:44" (1/1) ... [2021-02-23 17:34:44,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:34:44" (1/1) ... [2021-02-23 17:34:44,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:34:44" (1/1) ... [2021-02-23 17:34:44,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:34:44" (1/1) ... [2021-02-23 17:34:44,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:34:44" (1/1) ... [2021-02-23 17:34:44,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:34:44" (1/1) ... [2021-02-23 17:34:44,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 17:34:44,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 17:34:44,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 17:34:44,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 17:34:44,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:34:44" (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 [2021-02-23 17:34:44,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 17:34:44,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 17:34:44,827 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 17:34:44,828 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 17:34:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 17:34:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 17:34:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 17:34:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 17:34:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 17:34:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 17:34:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 17:34:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 17:34:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 17:34:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 17:34:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 17:34:45,120 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 17:34:45,120 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 17:34:45,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 05:34:45 BoogieIcfgContainer [2021-02-23 17:34:45,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 17:34:45,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 17:34:45,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 17:34:45,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 17:34:45,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 05:34:44" (1/3) ... [2021-02-23 17:34:45,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7461cbd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 05:34:45, skipping insertion in model container [2021-02-23 17:34:45,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:34:44" (2/3) ... [2021-02-23 17:34:45,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7461cbd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 05:34:45, skipping insertion in model container [2021-02-23 17:34:45,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 05:34:45" (3/3) ... [2021-02-23 17:34:45,147 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp1.c [2021-02-23 17:34:45,154 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 17:34:45,159 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 17:34:45,177 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 17:34:45,228 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 17:34:45,228 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 17:34:45,229 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 17:34:45,229 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 17:34:45,229 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 17:34:45,229 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 17:34:45,229 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 17:34:45,229 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 17:34:45,256 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2021-02-23 17:34:45,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-02-23 17:34:45,268 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:34:45,270 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] [2021-02-23 17:34:45,271 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:34:45,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:34:45,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1726193970, now seen corresponding path program 1 times [2021-02-23 17:34:45,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:34:45,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1114356505] [2021-02-23 17:34:45,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:34:45,400 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:34:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 17:34:45,536 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 17:34:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 17:34:45,597 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 17:34:45,641 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-23 17:34:45,642 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 17:34:45,643 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 17:34:45,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 05:34:45 BoogieIcfgContainer [2021-02-23 17:34:45,664 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 17:34:45,669 INFO L168 Benchmark]: Toolchain (without parser) took 1321.52 ms. Allocated memory is still 165.7 MB. Free memory was 142.1 MB in the beginning and 138.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.6 MB. Max. memory is 8.0 GB. [2021-02-23 17:34:45,672 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 165.7 MB. Free memory is still 137.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 17:34:45,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.27 ms. Allocated memory is still 165.7 MB. Free memory was 140.9 MB in the beginning and 132.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-23 17:34:45,679 INFO L168 Benchmark]: Boogie Preprocessor took 32.24 ms. Allocated memory is still 165.7 MB. Free memory was 132.0 MB in the beginning and 130.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-23 17:34:45,681 INFO L168 Benchmark]: RCFGBuilder took 401.09 ms. Allocated memory is still 165.7 MB. Free memory was 130.5 MB in the beginning and 118.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-02-23 17:34:45,682 INFO L168 Benchmark]: TraceAbstraction took 527.68 ms. Allocated memory is still 165.7 MB. Free memory was 117.9 MB in the beginning and 138.3 MB in the end (delta: -20.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 17:34:45,689 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 165.7 MB. Free memory is still 137.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 327.27 ms. Allocated memory is still 165.7 MB. Free memory was 140.9 MB in the beginning and 132.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.24 ms. Allocated memory is still 165.7 MB. Free memory was 132.0 MB in the beginning and 130.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 401.09 ms. Allocated memory is still 165.7 MB. Free memory was 130.5 MB in the beginning and 118.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 527.68 ms. Allocated memory is still 165.7 MB. Free memory was 117.9 MB in the beginning and 138.3 MB in the end (delta: -20.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of to_int at line 11, overapproximation of to_real at line 10. Possible FailurePath: [L6] unsigned int i, j; [L7] double d; [L9] i=100.0 [L10] d=i [L11] j=d [L12] COND TRUE !(j==100) [L12] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, 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=26occurred 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: No data available, 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...