./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae696ef581cbe995636ab4900ea04e2b993d78100fba8db2a87ca7d99c3a6d1e --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 15:15:05,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 15:15:05,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 15:15:05,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 15:15:05,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 15:15:05,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 15:15:05,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 15:15:05,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 15:15:05,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 15:15:05,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 15:15:05,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 15:15:05,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 15:15:05,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 15:15:05,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 15:15:05,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 15:15:05,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 15:15:05,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 15:15:05,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 15:15:05,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 15:15:05,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 15:15:05,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 15:15:05,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 15:15:05,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 15:15:05,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 15:15:05,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 15:15:05,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 15:15:05,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 15:15:05,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 15:15:05,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 15:15:05,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 15:15:05,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 15:15:05,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 15:15:05,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 15:15:05,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 15:15:05,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 15:15:05,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 15:15:05,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 15:15:05,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 15:15:05,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 15:15:05,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 15:15:05,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 15:15:05,650 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-12-19 15:15:05,674 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 15:15:05,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 15:15:05,676 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 15:15:05,676 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 15:15:05,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-19 15:15:05,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-19 15:15:05,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 15:15:05,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 15:15:05,678 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 15:15:05,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 15:15:05,678 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 15:15:05,679 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 15:15:05,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 15:15:05,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 15:15:05,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 15:15:05,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-19 15:15:05,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-19 15:15:05,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-19 15:15:05,680 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-19 15:15:05,680 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 15:15:05,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 15:15:05,680 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 15:15:05,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-19 15:15:05,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 15:15:05,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 15:15:05,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-19 15:15:05,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-19 15:15:05,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 15:15:05,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-19 15:15:05,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-19 15:15:05,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 15:15:05,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-19 15:15:05,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-19 15:15:05,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 15:15:05,683 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae696ef581cbe995636ab4900ea04e2b993d78100fba8db2a87ca7d99c3a6d1e [2021-12-19 15:15:05,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 15:15:05,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 15:15:05,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 15:15:05,913 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 15:15:05,914 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 15:15:05,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c [2021-12-19 15:15:05,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e018a0a29/760239f1388447f48eeffb498350347a/FLAGb0e4843a0 [2021-12-19 15:15:06,295 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 15:15:06,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c [2021-12-19 15:15:06,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e018a0a29/760239f1388447f48eeffb498350347a/FLAGb0e4843a0 [2021-12-19 15:15:06,717 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e018a0a29/760239f1388447f48eeffb498350347a [2021-12-19 15:15:06,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 15:15:06,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 15:15:06,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 15:15:06,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 15:15:06,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 15:15:06,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:15:06" (1/1) ... [2021-12-19 15:15:06,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cf6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:06, skipping insertion in model container [2021-12-19 15:15:06,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:15:06" (1/1) ... [2021-12-19 15:15:06,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 15:15:06,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 15:15:06,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c[37883,37896] [2021-12-19 15:15:06,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 15:15:06,955 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 15:15:06,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c[37883,37896] [2021-12-19 15:15:06,995 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 15:15:07,005 INFO L208 MainTranslator]: Completed translation [2021-12-19 15:15:07,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:07 WrapperNode [2021-12-19 15:15:07,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 15:15:07,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 15:15:07,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 15:15:07,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 15:15:07,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:07" (1/1) ... [2021-12-19 15:15:07,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:07" (1/1) ... [2021-12-19 15:15:07,055 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 481 [2021-12-19 15:15:07,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 15:15:07,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 15:15:07,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 15:15:07,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 15:15:07,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:07" (1/1) ... [2021-12-19 15:15:07,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:07" (1/1) ... [2021-12-19 15:15:07,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:07" (1/1) ... [2021-12-19 15:15:07,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:07" (1/1) ... [2021-12-19 15:15:07,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:07" (1/1) ... [2021-12-19 15:15:07,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:07" (1/1) ... [2021-12-19 15:15:07,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:07" (1/1) ... [2021-12-19 15:15:07,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 15:15:07,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 15:15:07,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 15:15:07,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 15:15:07,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:07" (1/1) ... [2021-12-19 15:15:07,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-19 15:15:07,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 15:15:07,141 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) [2021-12-19 15:15:07,165 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 [2021-12-19 15:15:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-19 15:15:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-19 15:15:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 15:15:07,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 15:15:07,257 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 15:15:07,258 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 15:15:07,267 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-19 15:15:07,607 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2021-12-19 15:15:07,607 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2021-12-19 15:15:07,607 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 15:15:07,612 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 15:15:07,612 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-19 15:15:07,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:15:07 BoogieIcfgContainer [2021-12-19 15:15:07,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 15:15:07,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-19 15:15:07,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-19 15:15:07,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-19 15:15:07,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 03:15:06" (1/3) ... [2021-12-19 15:15:07,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d316b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:15:07, skipping insertion in model container [2021-12-19 15:15:07,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:07" (2/3) ... [2021-12-19 15:15:07,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d316b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:15:07, skipping insertion in model container [2021-12-19 15:15:07,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:15:07" (3/3) ... [2021-12-19 15:15:07,619 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-1a.c [2021-12-19 15:15:07,622 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-19 15:15:07,622 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-19 15:15:07,650 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-19 15:15:07,654 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-19 15:15:07,654 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-19 15:15:07,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 126 states have (on average 1.7301587301587302) internal successors, (218), 128 states have internal predecessors, (218), 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) [2021-12-19 15:15:07,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-19 15:15:07,668 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:07,668 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 15:15:07,669 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-12-19 15:15:07,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:07,675 INFO L85 PathProgramCache]: Analyzing trace with hash -729047963, now seen corresponding path program 1 times [2021-12-19 15:15:07,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:07,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582354854] [2021-12-19 15:15:07,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:07,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:07,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 15:15:07,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:07,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582354854] [2021-12-19 15:15:07,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582354854] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:07,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:07,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:07,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696672612] [2021-12-19 15:15:07,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:07,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:07,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:07,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:07,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:07,842 INFO L87 Difference]: Start difference. First operand has 129 states, 126 states have (on average 1.7301587301587302) internal successors, (218), 128 states have internal predecessors, (218), 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) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-12-19 15:15:07,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:07,986 INFO L93 Difference]: Finished difference Result 253 states and 429 transitions. [2021-12-19 15:15:07,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:07,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) Word has length 18 [2021-12-19 15:15:07,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:07,997 INFO L225 Difference]: With dead ends: 253 [2021-12-19 15:15:07,997 INFO L226 Difference]: Without dead ends: 115 [2021-12-19 15:15:07,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:08,002 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 8 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:08,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 322 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:08,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-12-19 15:15:08,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-12-19 15:15:08,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 113 states have (on average 1.5309734513274336) internal successors, (173), 114 states have internal predecessors, (173), 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) [2021-12-19 15:15:08,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 173 transitions. [2021-12-19 15:15:08,041 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 173 transitions. Word has length 18 [2021-12-19 15:15:08,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:08,042 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 173 transitions. [2021-12-19 15:15:08,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-12-19 15:15:08,042 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 173 transitions. [2021-12-19 15:15:08,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-19 15:15:08,043 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:08,043 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-12-19 15:15:08,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-19 15:15:08,043 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-12-19 15:15:08,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:08,044 INFO L85 PathProgramCache]: Analyzing trace with hash 2064575397, now seen corresponding path program 1 times [2021-12-19 15:15:08,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:08,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706003599] [2021-12-19 15:15:08,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:08,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:08,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-19 15:15:08,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:08,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706003599] [2021-12-19 15:15:08,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706003599] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:08,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:08,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:08,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979412774] [2021-12-19 15:15:08,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:08,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:08,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:08,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:08,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:08,118 INFO L87 Difference]: Start difference. First operand 115 states and 173 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-12-19 15:15:08,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:08,155 INFO L93 Difference]: Finished difference Result 317 states and 480 transitions. [2021-12-19 15:15:08,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:08,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) Word has length 30 [2021-12-19 15:15:08,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:08,158 INFO L225 Difference]: With dead ends: 317 [2021-12-19 15:15:08,158 INFO L226 Difference]: Without dead ends: 213 [2021-12-19 15:15:08,159 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:08,160 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 132 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:08,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 311 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-19 15:15:08,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-12-19 15:15:08,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2021-12-19 15:15:08,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 211 states have (on average 1.5071090047393365) internal successors, (318), 212 states have internal predecessors, (318), 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) [2021-12-19 15:15:08,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 318 transitions. [2021-12-19 15:15:08,184 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 318 transitions. Word has length 30 [2021-12-19 15:15:08,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:08,184 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 318 transitions. [2021-12-19 15:15:08,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-12-19 15:15:08,184 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 318 transitions. [2021-12-19 15:15:08,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-19 15:15:08,185 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:08,185 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-12-19 15:15:08,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-19 15:15:08,185 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-12-19 15:15:08,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:08,186 INFO L85 PathProgramCache]: Analyzing trace with hash 2064573475, now seen corresponding path program 1 times [2021-12-19 15:15:08,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:08,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997609386] [2021-12-19 15:15:08,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:08,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-19 15:15:08,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:08,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997609386] [2021-12-19 15:15:08,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997609386] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:08,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:08,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-19 15:15:08,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375166845] [2021-12-19 15:15:08,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:08,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:08,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:08,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:08,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:08,229 INFO L87 Difference]: Start difference. First operand 213 states and 318 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-12-19 15:15:08,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:08,382 INFO L93 Difference]: Finished difference Result 522 states and 806 transitions. [2021-12-19 15:15:08,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:08,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) Word has length 30 [2021-12-19 15:15:08,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:08,384 INFO L225 Difference]: With dead ends: 522 [2021-12-19 15:15:08,384 INFO L226 Difference]: Without dead ends: 320 [2021-12-19 15:15:08,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:08,385 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 80 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:08,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 195 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:08,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-12-19 15:15:08,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 294. [2021-12-19 15:15:08,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 293 states have (on average 1.4300341296928327) internal successors, (419), 293 states have internal predecessors, (419), 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) [2021-12-19 15:15:08,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 419 transitions. [2021-12-19 15:15:08,399 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 419 transitions. Word has length 30 [2021-12-19 15:15:08,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:08,400 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 419 transitions. [2021-12-19 15:15:08,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-12-19 15:15:08,400 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 419 transitions. [2021-12-19 15:15:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-19 15:15:08,401 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:08,401 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-12-19 15:15:08,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-19 15:15:08,401 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-12-19 15:15:08,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:08,402 INFO L85 PathProgramCache]: Analyzing trace with hash -422731419, now seen corresponding path program 1 times [2021-12-19 15:15:08,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:08,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379257694] [2021-12-19 15:15:08,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:08,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:08,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-19 15:15:08,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:08,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379257694] [2021-12-19 15:15:08,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379257694] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:08,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:08,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-19 15:15:08,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434529214] [2021-12-19 15:15:08,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:08,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:08,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:08,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:08,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:08,433 INFO L87 Difference]: Start difference. First operand 294 states and 419 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-12-19 15:15:08,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:08,553 INFO L93 Difference]: Finished difference Result 714 states and 1046 transitions. [2021-12-19 15:15:08,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:08,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) Word has length 31 [2021-12-19 15:15:08,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:08,554 INFO L225 Difference]: With dead ends: 714 [2021-12-19 15:15:08,554 INFO L226 Difference]: Without dead ends: 0 [2021-12-19 15:15:08,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:08,556 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 101 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:08,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 217 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:08,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-19 15:15:08,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-19 15:15:08,557 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) [2021-12-19 15:15:08,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-19 15:15:08,557 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2021-12-19 15:15:08,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:08,558 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 15:15:08,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-12-19 15:15:08,558 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-19 15:15:08,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-19 15:15:08,560 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2021-12-19 15:15:08,560 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2021-12-19 15:15:08,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-19 15:15:08,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-19 15:15:08,603 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2021-12-19 15:15:08,603 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 252) no Hoare annotation was computed. [2021-12-19 15:15:08,603 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 551) no Hoare annotation was computed. [2021-12-19 15:15:08,603 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 562) no Hoare annotation was computed. [2021-12-19 15:15:08,603 INFO L858 garLoopResultBuilder]: For program point L235-2(lines 213 545) no Hoare annotation was computed. [2021-12-19 15:15:08,604 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 573) no Hoare annotation was computed. [2021-12-19 15:15:08,604 INFO L854 garLoopResultBuilder]: At program point L203(lines 199 552) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:08,604 INFO L854 garLoopResultBuilder]: At program point L137(lines 133 574) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:08,604 INFO L858 garLoopResultBuilder]: For program point L501-1(lines 501 513) no Hoare annotation was computed. [2021-12-19 15:15:08,604 INFO L858 garLoopResultBuilder]: For program point L435(lines 435 439) no Hoare annotation was computed. [2021-12-19 15:15:08,604 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 242) no Hoare annotation was computed. [2021-12-19 15:15:08,604 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 550) no Hoare annotation was computed. [2021-12-19 15:15:08,604 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 561) no Hoare annotation was computed. [2021-12-19 15:15:08,605 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 572) no Hoare annotation was computed. [2021-12-19 15:15:08,605 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 540) no Hoare annotation was computed. [2021-12-19 15:15:08,605 INFO L854 garLoopResultBuilder]: At program point L206(lines 205 550) the Hoare annotation is: (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4384) [2021-12-19 15:15:08,605 INFO L854 garLoopResultBuilder]: At program point L173(lines 163 564) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:08,605 INFO L858 garLoopResultBuilder]: For program point L504(lines 504 509) no Hoare annotation was computed. [2021-12-19 15:15:08,605 INFO L858 garLoopResultBuilder]: For program point L471(lines 471 482) no Hoare annotation was computed. [2021-12-19 15:15:08,605 INFO L858 garLoopResultBuilder]: For program point L471-1(lines 471 482) no Hoare annotation was computed. [2021-12-19 15:15:08,605 INFO L858 garLoopResultBuilder]: For program point L273(lines 273 277) no Hoare annotation was computed. [2021-12-19 15:15:08,605 INFO L858 garLoopResultBuilder]: For program point L273-2(lines 213 545) no Hoare annotation was computed. [2021-12-19 15:15:08,606 INFO L858 garLoopResultBuilder]: For program point L406(lines 406 410) no Hoare annotation was computed. [2021-12-19 15:15:08,606 INFO L858 garLoopResultBuilder]: For program point L340(lines 340 344) no Hoare annotation was computed. [2021-12-19 15:15:08,606 INFO L858 garLoopResultBuilder]: For program point L340-2(lines 213 545) no Hoare annotation was computed. [2021-12-19 15:15:08,606 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 549) no Hoare annotation was computed. [2021-12-19 15:15:08,606 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 560) no Hoare annotation was computed. [2021-12-19 15:15:08,606 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 571) no Hoare annotation was computed. [2021-12-19 15:15:08,606 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 76 630) no Hoare annotation was computed. [2021-12-19 15:15:08,606 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 479) no Hoare annotation was computed. [2021-12-19 15:15:08,606 INFO L861 garLoopResultBuilder]: At program point L209(lines 208 549) the Hoare annotation is: true [2021-12-19 15:15:08,607 INFO L854 garLoopResultBuilder]: At program point L143(lines 139 572) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:08,607 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-19 15:15:08,607 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 248) no Hoare annotation was computed. [2021-12-19 15:15:08,607 INFO L861 garLoopResultBuilder]: At program point L640(lines 632 642) the Hoare annotation is: true [2021-12-19 15:15:08,607 INFO L858 garLoopResultBuilder]: For program point L310(lines 310 314) no Hoare annotation was computed. [2021-12-19 15:15:08,607 INFO L858 garLoopResultBuilder]: For program point L310-2(lines 310 314) no Hoare annotation was computed. [2021-12-19 15:15:08,607 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 559) no Hoare annotation was computed. [2021-12-19 15:15:08,607 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 570) no Hoare annotation was computed. [2021-12-19 15:15:08,607 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 581) no Hoare annotation was computed. [2021-12-19 15:15:08,608 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 447) no Hoare annotation was computed. [2021-12-19 15:15:08,608 INFO L858 garLoopResultBuilder]: For program point L443-2(lines 213 545) no Hoare annotation was computed. [2021-12-19 15:15:08,608 INFO L861 garLoopResultBuilder]: At program point L212(lines 211 548) the Hoare annotation is: true [2021-12-19 15:15:08,608 INFO L854 garLoopResultBuilder]: At program point L179(lines 175 560) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:08,608 INFO L854 garLoopResultBuilder]: At program point L113(lines 112 581) the Hoare annotation is: (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 12292) [2021-12-19 15:15:08,608 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 382) no Hoare annotation was computed. [2021-12-19 15:15:08,608 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 417) no Hoare annotation was computed. [2021-12-19 15:15:08,608 INFO L858 garLoopResultBuilder]: For program point L412-2(lines 412 417) no Hoare annotation was computed. [2021-12-19 15:15:08,608 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 558) no Hoare annotation was computed. [2021-12-19 15:15:08,608 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 569) no Hoare annotation was computed. [2021-12-19 15:15:08,609 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 580) no Hoare annotation was computed. [2021-12-19 15:15:08,609 INFO L854 garLoopResultBuilder]: At program point L149(lines 145 570) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:08,609 INFO L861 garLoopResultBuilder]: At program point L546(lines 109 612) the Hoare annotation is: true [2021-12-19 15:15:08,609 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 92) no Hoare annotation was computed. [2021-12-19 15:15:08,609 INFO L861 garLoopResultBuilder]: At program point L613(lines 108 614) the Hoare annotation is: true [2021-12-19 15:15:08,609 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 557) no Hoare annotation was computed. [2021-12-19 15:15:08,609 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 568) no Hoare annotation was computed. [2021-12-19 15:15:08,609 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 579) no Hoare annotation was computed. [2021-12-19 15:15:08,609 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 387) no Hoare annotation was computed. [2021-12-19 15:15:08,610 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-19 15:15:08,610 INFO L858 garLoopResultBuilder]: For program point L383-2(lines 383 387) no Hoare annotation was computed. [2021-12-19 15:15:08,610 INFO L858 garLoopResultBuilder]: For program point L284(line 284) no Hoare annotation was computed. [2021-12-19 15:15:08,610 INFO L858 garLoopResultBuilder]: For program point L284-1(line 284) no Hoare annotation was computed. [2021-12-19 15:15:08,610 INFO L861 garLoopResultBuilder]: At program point L218(lines 115 580) the Hoare annotation is: true [2021-12-19 15:15:08,610 INFO L854 garLoopResultBuilder]: At program point L185(lines 181 558) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:08,610 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 610) no Hoare annotation was computed. [2021-12-19 15:15:08,610 INFO L858 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-12-19 15:15:08,610 INFO L858 garLoopResultBuilder]: For program point L87-2(lines 84 92) no Hoare annotation was computed. [2021-12-19 15:15:08,610 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 607) no Hoare annotation was computed. [2021-12-19 15:15:08,611 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 213 545) no Hoare annotation was computed. [2021-12-19 15:15:08,611 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 357) no Hoare annotation was computed. [2021-12-19 15:15:08,611 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 290) no Hoare annotation was computed. [2021-12-19 15:15:08,611 INFO L858 garLoopResultBuilder]: For program point L319-1(lines 319 333) no Hoare annotation was computed. [2021-12-19 15:15:08,611 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 556) no Hoare annotation was computed. [2021-12-19 15:15:08,611 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 567) no Hoare annotation was computed. [2021-12-19 15:15:08,611 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 578) no Hoare annotation was computed. [2021-12-19 15:15:08,611 INFO L858 garLoopResultBuilder]: For program point L617(lines 617 621) no Hoare annotation was computed. [2021-12-19 15:15:08,611 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 593) no Hoare annotation was computed. [2021-12-19 15:15:08,611 INFO L858 garLoopResultBuilder]: For program point L617-2(lines 617 621) no Hoare annotation was computed. [2021-12-19 15:15:08,612 INFO L858 garLoopResultBuilder]: For program point L584-2(lines 583 605) no Hoare annotation was computed. [2021-12-19 15:15:08,612 INFO L854 garLoopResultBuilder]: At program point L155(lines 151 568) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:08,612 INFO L858 garLoopResultBuilder]: For program point L586(lines 586 590) no Hoare annotation was computed. [2021-12-19 15:15:08,612 INFO L858 garLoopResultBuilder]: For program point L454(lines 454 459) no Hoare annotation was computed. [2021-12-19 15:15:08,612 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-19 15:15:08,618 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 227) no Hoare annotation was computed. [2021-12-19 15:15:08,618 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 555) no Hoare annotation was computed. [2021-12-19 15:15:08,618 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 566) no Hoare annotation was computed. [2021-12-19 15:15:08,618 INFO L858 garLoopResultBuilder]: For program point L223-2(lines 213 545) no Hoare annotation was computed. [2021-12-19 15:15:08,618 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 577) no Hoare annotation was computed. [2021-12-19 15:15:08,618 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2021-12-19 15:15:08,618 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 327) no Hoare annotation was computed. [2021-12-19 15:15:08,618 INFO L858 garLoopResultBuilder]: For program point L323-2(lines 321 333) no Hoare annotation was computed. [2021-12-19 15:15:08,618 INFO L854 garLoopResultBuilder]: At program point L191(lines 187 556) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:08,619 INFO L858 garLoopResultBuilder]: For program point L522-1(lines 522 526) no Hoare annotation was computed. [2021-12-19 15:15:08,619 INFO L858 garLoopResultBuilder]: For program point L423(lines 423 427) no Hoare annotation was computed. [2021-12-19 15:15:08,619 INFO L858 garLoopResultBuilder]: For program point L259(lines 259 264) no Hoare annotation was computed. [2021-12-19 15:15:08,619 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 554) no Hoare annotation was computed. [2021-12-19 15:15:08,619 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 565) no Hoare annotation was computed. [2021-12-19 15:15:08,619 INFO L858 garLoopResultBuilder]: For program point L127(lines 127 576) no Hoare annotation was computed. [2021-12-19 15:15:08,619 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 284) no Hoare annotation was computed. [2021-12-19 15:15:08,619 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 102) no Hoare annotation was computed. [2021-12-19 15:15:08,619 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 76 630) no Hoare annotation was computed. [2021-12-19 15:15:08,619 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-19 15:15:08,620 INFO L854 garLoopResultBuilder]: At program point L161(lines 157 566) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:08,620 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 284) no Hoare annotation was computed. [2021-12-19 15:15:08,620 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 99) no Hoare annotation was computed. [2021-12-19 15:15:08,620 INFO L858 garLoopResultBuilder]: For program point L493(lines 493 497) no Hoare annotation was computed. [2021-12-19 15:15:08,620 INFO L858 garLoopResultBuilder]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2021-12-19 15:15:08,620 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 303) no Hoare annotation was computed. [2021-12-19 15:15:08,620 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 553) no Hoare annotation was computed. [2021-12-19 15:15:08,620 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 564) no Hoare annotation was computed. [2021-12-19 15:15:08,620 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 575) no Hoare annotation was computed. [2021-12-19 15:15:08,620 INFO L858 garLoopResultBuilder]: For program point L395(lines 395 399) no Hoare annotation was computed. [2021-12-19 15:15:08,620 INFO L858 garLoopResultBuilder]: For program point L362(lines 362 366) no Hoare annotation was computed. [2021-12-19 15:15:08,621 INFO L854 garLoopResultBuilder]: At program point L197(lines 193 554) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:08,621 INFO L854 garLoopResultBuilder]: At program point L131(lines 127 576) the Hoare annotation is: (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4384) [2021-12-19 15:15:08,621 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-19 15:15:08,621 INFO L861 garLoopResultBuilder]: At program point L363(lines 76 630) the Hoare annotation is: true [2021-12-19 15:15:08,621 INFO L861 garLoopResultBuilder]: At program point L628(lines 76 630) the Hoare annotation is: true [2021-12-19 15:15:08,621 INFO L858 garLoopResultBuilder]: For program point L595(lines 595 601) no Hoare annotation was computed. [2021-12-19 15:15:08,621 INFO L858 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2021-12-19 15:15:08,621 INFO L858 garLoopResultBuilder]: For program point L529-2(lines 529 533) no Hoare annotation was computed. [2021-12-19 15:15:08,621 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 302) no Hoare annotation was computed. [2021-12-19 15:15:08,621 INFO L858 garLoopResultBuilder]: For program point L298-2(lines 213 545) no Hoare annotation was computed. [2021-12-19 15:15:08,622 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 552) no Hoare annotation was computed. [2021-12-19 15:15:08,622 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 563) no Hoare annotation was computed. [2021-12-19 15:15:08,622 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 574) no Hoare annotation was computed. [2021-12-19 15:15:08,622 INFO L861 garLoopResultBuilder]: At program point L629(lines 18 631) the Hoare annotation is: true [2021-12-19 15:15:08,622 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 468) no Hoare annotation was computed. [2021-12-19 15:15:08,625 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-19 15:15:08,627 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-19 15:15:08,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 03:15:08 BoogieIcfgContainer [2021-12-19 15:15:08,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-19 15:15:08,644 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-19 15:15:08,644 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-19 15:15:08,644 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-19 15:15:08,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:15:07" (3/4) ... [2021-12-19 15:15:08,646 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-19 15:15:08,655 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-12-19 15:15:08,655 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-19 15:15:08,656 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-19 15:15:08,656 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-19 15:15:08,700 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-19 15:15:08,700 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-19 15:15:08,701 INFO L158 Benchmark]: Toolchain (without parser) took 1979.28ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 64.0MB in the beginning and 80.4MB in the end (delta: -16.4MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2021-12-19 15:15:08,701 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 15:15:08,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.40ms. Allocated memory is still 96.5MB. Free memory was 63.8MB in the beginning and 67.6MB in the end (delta: -3.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-19 15:15:08,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.55ms. Allocated memory is still 96.5MB. Free memory was 67.6MB in the beginning and 64.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 15:15:08,701 INFO L158 Benchmark]: Boogie Preprocessor took 49.51ms. Allocated memory is still 96.5MB. Free memory was 64.7MB in the beginning and 63.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 15:15:08,702 INFO L158 Benchmark]: RCFGBuilder took 507.67ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 62.7MB in the beginning and 84.6MB in the end (delta: -21.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2021-12-19 15:15:08,702 INFO L158 Benchmark]: TraceAbstraction took 1028.96ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 89.7MB in the end (delta: -5.6MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2021-12-19 15:15:08,702 INFO L158 Benchmark]: Witness Printer took 56.72ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 80.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-19 15:15:08,703 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.40ms. Allocated memory is still 96.5MB. Free memory was 63.8MB in the beginning and 67.6MB in the end (delta: -3.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.55ms. Allocated memory is still 96.5MB. Free memory was 67.6MB in the beginning and 64.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.51ms. Allocated memory is still 96.5MB. Free memory was 64.7MB in the beginning and 63.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 507.67ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 62.7MB in the beginning and 84.6MB in the end (delta: -21.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1028.96ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 89.7MB in the end (delta: -5.6MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * Witness Printer took 56.72ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 80.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * 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: 284]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 284]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 321 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 321 mSDsluCounter, 1045 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 355 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 343 IncrementalHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 690 mSDtfsCounter, 343 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=294occurred in iteration=3, 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 26 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 23 PreInvPairs, 69 NumberOfFragments, 51 HoareAnnotationTreeSize, 23 FomulaSimplifications, 127 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 177 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 9/9 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 2 specifications checked. All of them hold - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: s__state <= 4384 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: s__state == 12292 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: s__state <= 4384 RESULT: Ultimate proved your program to be correct! [2021-12-19 15:15:08,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE