/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/loop-acceleration/simple_2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:45:42,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:45:42,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:45:42,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:45:42,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:45:42,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:45:42,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:45:42,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:45:42,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:45:42,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:45:42,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:45:42,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 22:45:42,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 22:45:42,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 22:45:42,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 22:45:42,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 22:45:42,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 22:45:42,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 22:45:42,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 22:45:42,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 22:45:42,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 22:45:42,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 22:45:42,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 22:45:42,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 22:45:42,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-06 22:45:42,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:45:42,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:45:42,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:45:42,822 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 22:45:42,850 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:45:42,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:45:42,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:45:42,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:45:42,853 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:45:42,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:45:42,853 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:45:42,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:45:42,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:45:42,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:45:42,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:45:42,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:45:42,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:45:42,855 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:45:42,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:45:42,855 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:45:42,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:45:42,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:45:42,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:45:42,856 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:45:42,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:45:42,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:45:42,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:45:42,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:45:42,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:45:42,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:45:42,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:45:42,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:45:42,858 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:45:42,858 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:45:43,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:45:43,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:45:43,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:45:43,319 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:45:43,319 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:45:43,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_2-2.c [2020-11-06 22:45:43,419 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19d0a30b6/8580d1adb77944889a7bcf7a456ef281/FLAG1155e3fb8 [2020-11-06 22:45:44,141 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:45:44,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_2-2.c [2020-11-06 22:45:44,149 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19d0a30b6/8580d1adb77944889a7bcf7a456ef281/FLAG1155e3fb8 [2020-11-06 22:45:44,484 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19d0a30b6/8580d1adb77944889a7bcf7a456ef281 [2020-11-06 22:45:44,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:45:44,494 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:45:44,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:45:44,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:45:44,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:45:44,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:45:44" (1/1) ... [2020-11-06 22:45:44,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f8031a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:44, skipping insertion in model container [2020-11-06 22:45:44,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:45:44" (1/1) ... [2020-11-06 22:45:44,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:45:44,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:45:44,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:45:44,718 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:45:44,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:45:44,755 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:45:44,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:44 WrapperNode [2020-11-06 22:45:44,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:45:44,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:45:44,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:45:44,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:45:44,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:44" (1/1) ... [2020-11-06 22:45:44,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:44" (1/1) ... [2020-11-06 22:45:44,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:44" (1/1) ... [2020-11-06 22:45:44,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:44" (1/1) ... [2020-11-06 22:45:44,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:44" (1/1) ... [2020-11-06 22:45:44,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:44" (1/1) ... [2020-11-06 22:45:44,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:44" (1/1) ... [2020-11-06 22:45:44,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:45:44,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:45:44,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:45:44,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:45:44,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:44" (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 [2020-11-06 22:45:44,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:45:44,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:45:44,895 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:45:44,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-06 22:45:44,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:45:44,896 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:45:44,896 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:45:44,897 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:45:44,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:45:44,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-11-06 22:45:44,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-06 22:45:44,897 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:45:44,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:45:44,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:45:44,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:45:44,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:45:44,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:45:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:45:45,284 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:45:45,284 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:45:45,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:45:45 BoogieIcfgContainer [2020-11-06 22:45:45,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:45:45,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:45:45,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:45:45,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:45:45,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:45:44" (1/3) ... [2020-11-06 22:45:45,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e393c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:45:45, skipping insertion in model container [2020-11-06 22:45:45,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:44" (2/3) ... [2020-11-06 22:45:45,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e393c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:45:45, skipping insertion in model container [2020-11-06 22:45:45,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:45:45" (3/3) ... [2020-11-06 22:45:45,329 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_2-2.c [2020-11-06 22:45:45,386 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:45:45,391 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:45:45,407 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:45:45,439 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:45:45,440 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:45:45,440 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:45:45,440 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:45:45,440 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:45:45,441 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:45:45,441 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:45:45,441 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:45:45,462 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-11-06 22:45:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-06 22:45:45,469 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:45:45,470 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:45:45,471 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:45:45,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:45:45,479 INFO L82 PathProgramCache]: Analyzing trace with hash 671356177, now seen corresponding path program 1 times [2020-11-06 22:45:45,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:45:45,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688748241] [2020-11-06 22:45:45,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:45:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 22:45:45,637 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 22:45:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 22:45:45,667 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 22:45:45,697 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-06 22:45:45,698 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-06 22:45:45,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:45:45,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:45:45 BoogieIcfgContainer [2020-11-06 22:45:45,729 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:45:45,733 INFO L168 Benchmark]: Toolchain (without parser) took 1242.12 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 121.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.7 MB. Max. memory is 8.0 GB. [2020-11-06 22:45:45,734 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory was 100.9 MB in the beginning and 100.9 MB in the end (delta: 66.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:45:45,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.45 ms. Allocated memory is still 151.0 MB. Free memory was 126.3 MB in the beginning and 116.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:45:45,739 INFO L168 Benchmark]: Boogie Preprocessor took 40.38 ms. Allocated memory is still 151.0 MB. Free memory was 116.7 MB in the beginning and 115.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-06 22:45:45,740 INFO L168 Benchmark]: RCFGBuilder took 487.75 ms. Allocated memory is still 151.0 MB. Free memory was 115.3 MB in the beginning and 103.3 MB in the end (delta: 12.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:45:45,741 INFO L168 Benchmark]: TraceAbstraction took 416.81 ms. Allocated memory is still 151.0 MB. Free memory was 134.9 MB in the beginning and 121.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:45:45,745 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory was 100.9 MB in the beginning and 100.9 MB in the end (delta: 66.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 260.45 ms. Allocated memory is still 151.0 MB. Free memory was 126.3 MB in the beginning and 116.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 40.38 ms. Allocated memory is still 151.0 MB. Free memory was 116.7 MB in the beginning and 115.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 487.75 ms. Allocated memory is still 151.0 MB. Free memory was 115.3 MB in the beginning and 103.3 MB in the end (delta: 12.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 416.81 ms. Allocated memory is still 151.0 MB. Free memory was 134.9 MB in the beginning and 121.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] unsigned int x = __VERIFIER_nondet_uint(); [L16] COND FALSE !(x < 0x0fffffff) VAL [x=268435455] [L20] CALL __VERIFIER_assert(x > 0x0fffffff) VAL [\old(cond)=0] [L7] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L8] CALL reach_error() [L3] __assert_fail("0", "simple_2-2.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, 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=22occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 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 proved your program to be incorrect! Received shutdown request...