/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/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/net_reset.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7968f31 [2022-03-17 20:10:26,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-17 20:10:26,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-17 20:10:26,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-17 20:10:26,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-17 20:10:26,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-17 20:10:26,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-17 20:10:26,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-17 20:10:26,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-17 20:10:26,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-17 20:10:26,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-17 20:10:26,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-17 20:10:26,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-17 20:10:26,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-17 20:10:26,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-17 20:10:26,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-17 20:10:26,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-17 20:10:26,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-17 20:10:26,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-17 20:10:26,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-17 20:10:26,898 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-17 20:10:26,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-17 20:10:26,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-17 20:10:26,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-17 20:10:26,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-17 20:10:26,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-17 20:10:26,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-17 20:10:26,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-17 20:10:26,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-17 20:10:26,917 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-17 20:10:26,940 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-17 20:10:26,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-17 20:10:26,941 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-17 20:10:26,941 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-17 20:10:26,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-17 20:10:26,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-17 20:10:26,942 INFO L138 SettingsManager]: * Use SBE=true [2022-03-17 20:10:26,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-17 20:10:26,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-17 20:10:26,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-17 20:10:26,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-17 20:10:26,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-17 20:10:26,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-17 20:10:26,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-17 20:10:26,944 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-17 20:10:26,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-17 20:10:26,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-17 20:10:26,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-17 20:10:26,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-17 20:10:26,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 20:10:26,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-17 20:10:26,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-17 20:10:26,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-17 20:10:26,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-17 20:10:26,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-17 20:10:26,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-17 20:10:26,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-17 20:10:26,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-17 20:10:26,947 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-17 20:10:26,947 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-17 20:10:27,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-17 20:10:27,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-17 20:10:27,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-17 20:10:27,193 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-17 20:10:27,193 INFO L275 PluginConnector]: CDTParser initialized [2022-03-17 20:10:27,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/net_reset.c [2022-03-17 20:10:27,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44106e50f/e87eaf0d1c9947d29ab19f51b00d0d44/FLAG4e25c4c05 [2022-03-17 20:10:27,628 INFO L306 CDTParser]: Found 1 translation units. [2022-03-17 20:10:27,629 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/net_reset.c [2022-03-17 20:10:27,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44106e50f/e87eaf0d1c9947d29ab19f51b00d0d44/FLAG4e25c4c05 [2022-03-17 20:10:27,653 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44106e50f/e87eaf0d1c9947d29ab19f51b00d0d44 [2022-03-17 20:10:27,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-17 20:10:27,656 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-17 20:10:27,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-17 20:10:27,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-17 20:10:27,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-17 20:10:27,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:10:27" (1/1) ... [2022-03-17 20:10:27,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e35cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:10:27, skipping insertion in model container [2022-03-17 20:10:27,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:10:27" (1/1) ... [2022-03-17 20:10:27,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-17 20:10:27,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-17 20:10:27,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/net_reset.c[4546,4559] [2022-03-17 20:10:27,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 20:10:28,690 INFO L203 MainTranslator]: Completed pre-run [2022-03-17 20:10:28,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/net_reset.c[4546,4559] [2022-03-17 20:10:28,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 20:10:28,739 INFO L208 MainTranslator]: Completed translation [2022-03-17 20:10:28,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:10:28 WrapperNode [2022-03-17 20:10:28,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-17 20:10:28,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-17 20:10:28,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-17 20:10:28,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-17 20:10:28,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:10:28" (1/1) ... [2022-03-17 20:10:28,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:10:28" (1/1) ... [2022-03-17 20:10:28,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:10:28" (1/1) ... [2022-03-17 20:10:28,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:10:28" (1/1) ... [2022-03-17 20:10:28,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:10:28" (1/1) ... [2022-03-17 20:10:28,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:10:28" (1/1) ... [2022-03-17 20:10:28,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:10:28" (1/1) ... [2022-03-17 20:10:28,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-17 20:10:28,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-17 20:10:28,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-17 20:10:28,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-17 20:10:28,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:10:28" (1/1) ... [2022-03-17 20:10:28,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 20:10:28,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 20:10:28,820 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 20:10:28,833 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 20:10:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-17 20:10:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-17 20:10:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-17 20:10:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-17 20:10:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure net_reset [2022-03-17 20:10:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure net_send_batch [2022-03-17 20:10:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure net_reopen [2022-03-17 20:10:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-17 20:10:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-17 20:10:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-17 20:10:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-17 20:10:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-17 20:10:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure net_reset [2022-03-17 20:10:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure net_reopen [2022-03-17 20:10:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure net_send_batch [2022-03-17 20:10:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure addrcmp [2022-03-17 20:10:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-17 20:10:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-17 20:10:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-17 20:10:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-17 20:10:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-17 20:10:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-17 20:10:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-17 20:10:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-17 20:10:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-17 20:10:28,972 INFO L234 CfgBuilder]: Building ICFG [2022-03-17 20:10:28,973 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-17 20:10:29,089 INFO L275 CfgBuilder]: Performing block encoding [2022-03-17 20:10:29,094 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-17 20:10:29,094 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-17 20:10:29,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 08:10:29 BoogieIcfgContainer [2022-03-17 20:10:29,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-17 20:10:29,097 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-17 20:10:29,097 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-17 20:10:29,100 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-17 20:10:29,102 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 08:10:29" (1/1) ... [2022-03-17 20:10:29,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 08:10:29 BasicIcfg [2022-03-17 20:10:29,115 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-17 20:10:29,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-17 20:10:29,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-17 20:10:29,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-17 20:10:29,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 08:10:27" (1/4) ... [2022-03-17 20:10:29,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2399d547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 08:10:29, skipping insertion in model container [2022-03-17 20:10:29,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:10:28" (2/4) ... [2022-03-17 20:10:29,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2399d547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 08:10:29, skipping insertion in model container [2022-03-17 20:10:29,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 08:10:29" (3/4) ... [2022-03-17 20:10:29,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2399d547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 08:10:29, skipping insertion in model container [2022-03-17 20:10:29,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 08:10:29" (4/4) ... [2022-03-17 20:10:29,120 INFO L111 eAbstractionObserver]: Analyzing ICFG net_reset.cqvasr [2022-03-17 20:10:29,124 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-17 20:10:29,124 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-17 20:10:29,158 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-17 20:10:29,163 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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 20:10:29,163 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-17 20:10:29,175 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-03-17 20:10:29,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-03-17 20:10:29,179 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 20:10:29,180 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] [2022-03-17 20:10:29,180 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 20:10:29,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 20:10:29,184 INFO L85 PathProgramCache]: Analyzing trace with hash -124797815, now seen corresponding path program 1 times [2022-03-17 20:10:29,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 20:10:29,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392053556] [2022-03-17 20:10:29,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 20:10:29,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 20:10:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 20:10:29,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 20:10:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 20:10:29,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-03-17 20:10:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 20:10:29,565 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 20:10:29,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 20:10:29,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392053556] [2022-03-17 20:10:29,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392053556] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 20:10:29,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 20:10:29,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-17 20:10:29,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497532662] [2022-03-17 20:10:29,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 20:10:29,571 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-17 20:10:29,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 20:10:29,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-17 20:10:29,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-17 20:10:29,599 INFO L87 Difference]: Start difference. First operand has 40 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-03-17 20:10:29,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 20:10:29,759 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2022-03-17 20:10:29,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-17 20:10:29,761 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-03-17 20:10:29,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 20:10:29,769 INFO L225 Difference]: With dead ends: 52 [2022-03-17 20:10:29,769 INFO L226 Difference]: Without dead ends: 0 [2022-03-17 20:10:29,772 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-03-17 20:10:29,775 INFO L912 BasicCegarLoop]: 24 mSDtfsCounter, 39 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-17 20:10:29,776 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 42 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-17 20:10:29,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-17 20:10:29,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-17 20:10:29,792 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 20:10:29,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-17 20:10:29,793 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2022-03-17 20:10:29,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 20:10:29,794 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-17 20:10:29,794 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-03-17 20:10:29,795 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-17 20:10:29,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-17 20:10:29,797 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-17 20:10:29,798 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-17 20:10:29,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-17 20:10:29,948 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~batch_at~0)| ~batch_at~0) (= |~#unspec_addr~0.base| |old(~#unspec_addr~0.base)|) (= ~fstTTL~0 |old(~fstTTL~0)|) (= |~#host~0.offset| |old(~#host~0.offset)|) (= |#memory_int| |old(#memory_int)|) (= |~#host~0.base| |old(~#host~0.base)|) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~#unspec_addr~0.offset)| |~#unspec_addr~0.offset|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-03-17 20:10:29,949 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-03-17 20:10:29,949 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-03-17 20:10:29,949 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-17 20:10:29,949 INFO L878 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2022-03-17 20:10:29,949 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-03-17 20:10:29,949 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-03-17 20:10:29,949 INFO L878 garLoopResultBuilder]: At program point mainENTRY(lines 233 237) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(~batch_at~0)| ~batch_at~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0))) [2022-03-17 20:10:29,950 INFO L878 garLoopResultBuilder]: At program point L235(line 235) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(~batch_at~0)| ~batch_at~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0))) [2022-03-17 20:10:29,950 INFO L882 garLoopResultBuilder]: For program point L235-1(line 235) no Hoare annotation was computed. [2022-03-17 20:10:29,950 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 233 237) no Hoare annotation was computed. [2022-03-17 20:10:29,950 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 233 237) no Hoare annotation was computed. [2022-03-17 20:10:29,950 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 193 198) the Hoare annotation is: true [2022-03-17 20:10:29,950 INFO L882 garLoopResultBuilder]: For program point L194(lines 194 196) no Hoare annotation was computed. [2022-03-17 20:10:29,950 INFO L882 garLoopResultBuilder]: For program point L195(line 195) no Hoare annotation was computed. [2022-03-17 20:10:29,951 INFO L882 garLoopResultBuilder]: For program point L194-2(lines 193 198) no Hoare annotation was computed. [2022-03-17 20:10:29,951 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 195) no Hoare annotation was computed. [2022-03-17 20:10:29,951 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 193 198) no Hoare annotation was computed. [2022-03-17 20:10:29,951 INFO L878 garLoopResultBuilder]: At program point net_send_batchENTRY(lines 205 215) the Hoare annotation is: (or (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (not (<= (+ ~batch_at~0 1) ~fstTTL~0))) [2022-03-17 20:10:29,951 INFO L878 garLoopResultBuilder]: At program point L208-3(lines 208 213) the Hoare annotation is: (or (and (<= ~batch_at~0 net_send_batch_~i~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0)) (not (<= (+ ~batch_at~0 1) ~fstTTL~0))) [2022-03-17 20:10:29,951 INFO L882 garLoopResultBuilder]: For program point L208-4(lines 208 213) no Hoare annotation was computed. [2022-03-17 20:10:29,951 INFO L878 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2022-03-17 20:10:29,951 INFO L882 garLoopResultBuilder]: For program point net_send_batchFINAL(lines 205 215) no Hoare annotation was computed. [2022-03-17 20:10:29,952 INFO L882 garLoopResultBuilder]: For program point L210-1(line 210) no Hoare annotation was computed. [2022-03-17 20:10:29,952 INFO L882 garLoopResultBuilder]: For program point net_send_batchEXIT(lines 205 215) no Hoare annotation was computed. [2022-03-17 20:10:29,952 INFO L882 garLoopResultBuilder]: For program point L210-2(lines 210 211) no Hoare annotation was computed. [2022-03-17 20:10:29,952 INFO L882 garLoopResultBuilder]: For program point L208-2(lines 208 213) no Hoare annotation was computed. [2022-03-17 20:10:29,952 INFO L878 garLoopResultBuilder]: At program point net_reopenENTRY(lines 216 231) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(~batch_at~0)| ~batch_at~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0))) [2022-03-17 20:10:29,952 INFO L882 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2022-03-17 20:10:29,952 INFO L878 garLoopResultBuilder]: At program point L218(lines 218 228) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(~batch_at~0)| ~batch_at~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0))) [2022-03-17 20:10:29,953 INFO L882 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-03-17 20:10:29,953 INFO L878 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(~batch_at~0)| ~batch_at~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0))) [2022-03-17 20:10:29,953 INFO L882 garLoopResultBuilder]: For program point L226(line 226) no Hoare annotation was computed. [2022-03-17 20:10:29,953 INFO L878 garLoopResultBuilder]: At program point L229-1(line 229) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2022-03-17 20:10:29,975 INFO L882 garLoopResultBuilder]: For program point L230(line 230) no Hoare annotation was computed. [2022-03-17 20:10:29,975 INFO L882 garLoopResultBuilder]: For program point net_reopenFINAL(lines 216 231) no Hoare annotation was computed. [2022-03-17 20:10:29,975 INFO L882 garLoopResultBuilder]: For program point net_reopenEXIT(lines 216 231) no Hoare annotation was computed. [2022-03-17 20:10:29,975 INFO L878 garLoopResultBuilder]: At program point net_resetENTRY(lines 200 204) the Hoare annotation is: (or (= |old(~batch_at~0)| ~batch_at~0) (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0))) [2022-03-17 20:10:29,975 INFO L882 garLoopResultBuilder]: For program point net_resetFINAL(lines 200 204) no Hoare annotation was computed. [2022-03-17 20:10:29,975 INFO L882 garLoopResultBuilder]: For program point net_resetEXIT(lines 200 204) no Hoare annotation was computed. [2022-03-17 20:10:29,980 INFO L718 BasicCegarLoop]: Path program histogram: [1] [2022-03-17 20:10:29,981 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-17 20:10:29,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 08:10:29 BasicIcfg [2022-03-17 20:10:29,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-17 20:10:30,000 INFO L158 Benchmark]: Toolchain (without parser) took 2343.58ms. Allocated memory was 179.3MB in the beginning and 539.0MB in the end (delta: 359.7MB). Free memory was 120.5MB in the beginning and 430.7MB in the end (delta: -310.2MB). Peak memory consumption was 115.1MB. Max. memory is 8.0GB. [2022-03-17 20:10:30,001 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 179.3MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-17 20:10:30,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1081.28ms. Allocated memory was 179.3MB in the beginning and 269.5MB in the end (delta: 90.2MB). Free memory was 120.4MB in the beginning and 163.4MB in the end (delta: -43.0MB). Peak memory consumption was 177.7MB. Max. memory is 8.0GB. [2022-03-17 20:10:30,002 INFO L158 Benchmark]: Boogie Preprocessor took 51.38ms. Allocated memory is still 269.5MB. Free memory was 163.4MB in the beginning and 161.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-17 20:10:30,002 INFO L158 Benchmark]: RCFGBuilder took 303.28ms. Allocated memory is still 269.5MB. Free memory was 161.3MB in the beginning and 147.6MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-03-17 20:10:30,002 INFO L158 Benchmark]: IcfgTransformer took 17.71ms. Allocated memory is still 269.5MB. Free memory was 147.6MB in the beginning and 146.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-17 20:10:30,003 INFO L158 Benchmark]: TraceAbstraction took 883.73ms. Allocated memory was 269.5MB in the beginning and 539.0MB in the end (delta: 269.5MB). Free memory was 146.1MB in the beginning and 430.7MB in the end (delta: -284.6MB). Peak memory consumption was 49.6MB. Max. memory is 8.0GB. [2022-03-17 20:10:30,005 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 179.3MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1081.28ms. Allocated memory was 179.3MB in the beginning and 269.5MB in the end (delta: 90.2MB). Free memory was 120.4MB in the beginning and 163.4MB in the end (delta: -43.0MB). Peak memory consumption was 177.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 51.38ms. Allocated memory is still 269.5MB. Free memory was 163.4MB in the beginning and 161.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 303.28ms. Allocated memory is still 269.5MB. Free memory was 161.3MB in the beginning and 147.6MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * IcfgTransformer took 17.71ms. Allocated memory is still 269.5MB. Free memory was 147.6MB in the beginning and 146.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 883.73ms. Allocated memory was 269.5MB in the beginning and 539.0MB in the end (delta: 269.5MB). Free memory was 146.1MB in the beginning and 430.7MB in the end (delta: -284.6MB). Peak memory consumption was 49.6MB. 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: 195]: 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 7 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 24 mSDtfsCounter, 47 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 15 NumberOfFragments, 160 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 42 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 70 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (batch_at <= i && \old(__tmpTR__int_1) == __tmpTR__int_1) || !(batch_at + 1 <= fstTTL) - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: !(\old(batch_at) + 1 <= fstTTL) || (\old(batch_at) == batch_at && \old(__tmpTR__int_1) == __tmpTR__int_1) RESULT: Ultimate proved your program to be correct! [2022-03-17 20:10:30,035 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...