/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7968f31 [2022-03-17 15:10:51,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-17 15:10:51,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-17 15:10:51,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-17 15:10:51,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-17 15:10:51,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-17 15:10:51,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-17 15:10:51,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-17 15:10:51,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-17 15:10:51,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-17 15:10:51,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-17 15:10:51,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-17 15:10:51,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-17 15:10:51,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-17 15:10:51,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-17 15:10:51,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-17 15:10:51,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-17 15:10:51,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-17 15:10:51,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-17 15:10:51,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-17 15:10:51,415 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-17 15:10:51,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-17 15:10:51,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-17 15:10:51,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-17 15:10:51,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-17 15:10:51,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-17 15:10:51,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-17 15:10:51,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-17 15:10:51,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-17 15:10:51,434 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-03-17 15:10:51,443 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-17 15:10:51,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-17 15:10:51,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-17 15:10:51,444 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-17 15:10:51,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-17 15:10:51,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-17 15:10:51,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-17 15:10:51,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-17 15:10:51,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-17 15:10:51,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-17 15:10:51,446 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-17 15:10:51,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-17 15:10:51,446 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-17 15:10:51,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-17 15:10:51,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-17 15:10:51,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-17 15:10:51,446 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-17 15:10:51,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-17 15:10:51,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 15:10:51,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-17 15:10:51,446 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-17 15:10:51,447 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-17 15:10:51,447 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-17 15:10:51,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-17 15:10:51,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-17 15:10:51,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-17 15:10:51,666 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-17 15:10:51,667 INFO L275 PluginConnector]: CDTParser initialized [2022-03-17 15:10:51,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2022-03-17 15:10:51,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8df6b387/c7e4c11998f942a5a9fe500f89abe7ea/FLAG7dde46e58 [2022-03-17 15:10:52,103 INFO L306 CDTParser]: Found 1 translation units. [2022-03-17 15:10:52,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2022-03-17 15:10:52,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8df6b387/c7e4c11998f942a5a9fe500f89abe7ea/FLAG7dde46e58 [2022-03-17 15:10:52,126 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8df6b387/c7e4c11998f942a5a9fe500f89abe7ea [2022-03-17 15:10:52,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-17 15:10:52,128 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-17 15:10:52,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-17 15:10:52,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-17 15:10:52,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-17 15:10:52,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:10:52" (1/1) ... [2022-03-17 15:10:52,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d89355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:52, skipping insertion in model container [2022-03-17 15:10:52,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:10:52" (1/1) ... [2022-03-17 15:10:52,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-17 15:10:52,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-17 15:10:52,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c[11890,11903] [2022-03-17 15:10:52,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 15:10:52,349 INFO L203 MainTranslator]: Completed pre-run [2022-03-17 15:10:52,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c[11890,11903] [2022-03-17 15:10:52,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 15:10:52,405 INFO L208 MainTranslator]: Completed translation [2022-03-17 15:10:52,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:52 WrapperNode [2022-03-17 15:10:52,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-17 15:10:52,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-17 15:10:52,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-17 15:10:52,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-17 15:10:52,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:52" (1/1) ... [2022-03-17 15:10:52,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:52" (1/1) ... [2022-03-17 15:10:52,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:52" (1/1) ... [2022-03-17 15:10:52,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:52" (1/1) ... [2022-03-17 15:10:52,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:52" (1/1) ... [2022-03-17 15:10:52,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:52" (1/1) ... [2022-03-17 15:10:52,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:52" (1/1) ... [2022-03-17 15:10:52,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-17 15:10:52,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-17 15:10:52,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-17 15:10:52,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-17 15:10:52,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:52" (1/1) ... [2022-03-17 15:10:52,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 15:10:52,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 15:10:52,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-17 15:10:52,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-17 15:10:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-17 15:10:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-17 15:10:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-17 15:10:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-17 15:10:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-03-17 15:10:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2022-03-17 15:10:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_110 [2022-03-17 15:10:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2022-03-17 15:10:52,537 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_114 [2022-03-17 15:10:52,537 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_115 [2022-03-17 15:10:52,537 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_117 [2022-03-17 15:10:52,537 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_118 [2022-03-17 15:10:52,537 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-17 15:10:52,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-17 15:10:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-17 15:10:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-17 15:10:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-17 15:10:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-17 15:10:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-17 15:10:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-03-17 15:10:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-03-17 15:10:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2022-03-17 15:10:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_110 [2022-03-17 15:10:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2022-03-17 15:10:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_114 [2022-03-17 15:10:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_115 [2022-03-17 15:10:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-17 15:10:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_117 [2022-03-17 15:10:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_118 [2022-03-17 15:10:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-03-17 15:10:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-17 15:10:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-17 15:10:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-17 15:10:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-17 15:10:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-17 15:10:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-17 15:10:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-17 15:10:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-17 15:10:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-17 15:10:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-17 15:10:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-17 15:10:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-03-17 15:10:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-17 15:10:52,634 INFO L234 CfgBuilder]: Building ICFG [2022-03-17 15:10:52,635 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-17 15:10:53,012 INFO L275 CfgBuilder]: Performing block encoding [2022-03-17 15:10:53,017 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-17 15:10:53,018 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-03-17 15:10:53,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 03:10:53 BoogieIcfgContainer [2022-03-17 15:10:53,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-17 15:10:53,020 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-17 15:10:53,020 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-17 15:10:53,025 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-17 15:10:53,027 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 03:10:53" (1/1) ... [2022-03-17 15:10:53,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 03:10:53 BasicIcfg [2022-03-17 15:10:53,052 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-17 15:10:53,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-17 15:10:53,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-17 15:10:53,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-17 15:10:53,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:10:52" (1/4) ... [2022-03-17 15:10:53,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77fd36f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:10:53, skipping insertion in model container [2022-03-17 15:10:53,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:10:52" (2/4) ... [2022-03-17 15:10:53,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77fd36f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:10:53, skipping insertion in model container [2022-03-17 15:10:53,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 03:10:53" (3/4) ... [2022-03-17 15:10:53,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77fd36f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 03:10:53, skipping insertion in model container [2022-03-17 15:10:53,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 03:10:53" (4/4) ... [2022-03-17 15:10:53,058 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_1.cJordan [2022-03-17 15:10:53,061 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-03-17 15:10:53,062 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-17 15:10:53,091 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-17 15:10:53,096 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-03-17 15:10:53,096 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-17 15:10:53,112 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 100 states have internal predecessors, (151), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-03-17 15:10:53,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-03-17 15:10:53,120 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 15:10:53,120 INFO L500 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 15:10:53,121 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 15:10:53,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 15:10:53,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1019923025, now seen corresponding path program 1 times [2022-03-17 15:10:53,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 15:10:53,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943174925] [2022-03-17 15:10:53,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 15:10:53,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 15:10:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 15:10:53,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 15:10:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 15:10:53,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-03-17 15:10:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 15:10:53,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-03-17 15:10:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 15:10:53,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 15:10:53,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 15:10:53,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943174925] [2022-03-17 15:10:53,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943174925] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 15:10:53,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 15:10:53,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 15:10:53,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695267806] [2022-03-17 15:10:53,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 15:10:53,510 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 15:10:53,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 15:10:53,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 15:10:53,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 15:10:53,538 INFO L87 Difference]: Start difference. First operand has 127 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 100 states have internal predecessors, (151), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-03-17 15:10:53,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 15:10:53,922 INFO L93 Difference]: Finished difference Result 129 states and 176 transitions. [2022-03-17 15:10:53,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 15:10:53,924 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2022-03-17 15:10:53,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 15:10:53,933 INFO L225 Difference]: With dead ends: 129 [2022-03-17 15:10:53,934 INFO L226 Difference]: Without dead ends: 118 [2022-03-17 15:10:53,937 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-17 15:10:53,941 INFO L912 BasicCegarLoop]: 132 mSDtfsCounter, 236 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-17 15:10:53,944 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 137 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-17 15:10:53,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-03-17 15:10:53,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-03-17 15:10:53,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-03-17 15:10:53,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2022-03-17 15:10:53,998 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 38 [2022-03-17 15:10:53,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 15:10:53,998 INFO L478 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2022-03-17 15:10:53,999 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-03-17 15:10:53,999 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2022-03-17 15:10:54,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-03-17 15:10:54,002 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 15:10:54,002 INFO L500 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 15:10:54,002 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-17 15:10:54,003 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 15:10:54,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 15:10:54,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1240866738, now seen corresponding path program 1 times [2022-03-17 15:10:54,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 15:10:54,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303179195] [2022-03-17 15:10:54,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 15:10:54,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 15:10:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 15:10:54,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 15:10:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 15:10:54,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-03-17 15:10:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 15:10:54,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-03-17 15:10:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 15:10:54,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 15:10:54,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 15:10:54,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303179195] [2022-03-17 15:10:54,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303179195] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 15:10:54,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 15:10:54,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-17 15:10:54,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029225133] [2022-03-17 15:10:54,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 15:10:54,161 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-17 15:10:54,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 15:10:54,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-17 15:10:54,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-17 15:10:54,162 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-03-17 15:10:54,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 15:10:54,711 INFO L93 Difference]: Finished difference Result 116 states and 162 transitions. [2022-03-17 15:10:54,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-17 15:10:54,711 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2022-03-17 15:10:54,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 15:10:54,711 INFO L225 Difference]: With dead ends: 116 [2022-03-17 15:10:54,712 INFO L226 Difference]: Without dead ends: 0 [2022-03-17 15:10:54,712 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-03-17 15:10:54,713 INFO L912 BasicCegarLoop]: 119 mSDtfsCounter, 233 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-17 15:10:54,713 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 123 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-17 15:10:54,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-17 15:10:54,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-17 15:10:54,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-17 15:10:54,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-17 15:10:54,714 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-03-17 15:10:54,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 15:10:54,714 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-17 15:10:54,714 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-03-17 15:10:54,714 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-17 15:10:54,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-17 15:10:54,716 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-17 15:10:54,717 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-17 15:10:54,719 INFO L718 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-17 15:10:54,720 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-17 15:10:54,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 03:10:54 BasicIcfg [2022-03-17 15:10:54,723 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-17 15:10:54,723 INFO L158 Benchmark]: Toolchain (without parser) took 2594.72ms. Allocated memory was 204.5MB in the beginning and 245.4MB in the end (delta: 40.9MB). Free memory was 154.5MB in the beginning and 102.4MB in the end (delta: 52.0MB). Peak memory consumption was 92.9MB. Max. memory is 8.0GB. [2022-03-17 15:10:54,724 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 204.5MB. Free memory was 171.9MB in the beginning and 171.7MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-17 15:10:54,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.68ms. Allocated memory is still 204.5MB. Free memory was 154.3MB in the beginning and 173.1MB in the end (delta: -18.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-17 15:10:54,724 INFO L158 Benchmark]: Boogie Preprocessor took 68.30ms. Allocated memory is still 204.5MB. Free memory was 173.1MB in the beginning and 169.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-03-17 15:10:54,724 INFO L158 Benchmark]: RCFGBuilder took 543.82ms. Allocated memory is still 204.5MB. Free memory was 169.6MB in the beginning and 139.2MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-03-17 15:10:54,725 INFO L158 Benchmark]: IcfgTransformer took 32.54ms. Allocated memory is still 204.5MB. Free memory was 139.2MB in the beginning and 136.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-17 15:10:54,725 INFO L158 Benchmark]: TraceAbstraction took 1669.56ms. Allocated memory was 204.5MB in the beginning and 245.4MB in the end (delta: 40.9MB). Free memory was 135.5MB in the beginning and 102.4MB in the end (delta: 33.1MB). Peak memory consumption was 74.5MB. Max. memory is 8.0GB. [2022-03-17 15:10:54,727 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 204.5MB. Free memory was 171.9MB in the beginning and 171.7MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 276.68ms. Allocated memory is still 204.5MB. Free memory was 154.3MB in the beginning and 173.1MB in the end (delta: -18.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 68.30ms. Allocated memory is still 204.5MB. Free memory was 173.1MB in the beginning and 169.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 543.82ms. Allocated memory is still 204.5MB. Free memory was 169.6MB in the beginning and 139.2MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * IcfgTransformer took 32.54ms. Allocated memory is still 204.5MB. Free memory was 139.2MB in the beginning and 136.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 1669.56ms. Allocated memory was 204.5MB in the beginning and 245.4MB in the end (delta: 40.9MB). Free memory was 135.5MB in the beginning and 102.4MB in the end (delta: 33.1MB). Peak memory consumption was 74.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 489]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 127 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 482 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 469 mSDsluCounter, 260 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 500 IncrementalHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 251 mSDtfsCounter, 500 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-17 15:10:54,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...