./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-pthread/cs_stateful-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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/seq-pthread/cs_stateful-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8ecae2ca1de1e5b446d807037ed0cb2d4fc04c355acb35a6870f18f7e175f10e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 01:39:52,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 01:39:52,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 01:39:52,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 01:39:52,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 01:39:52,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 01:39:52,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 01:39:52,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 01:39:52,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 01:39:52,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 01:39:52,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 01:39:52,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 01:39:52,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 01:39:52,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 01:39:52,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 01:39:52,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 01:39:52,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 01:39:52,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 01:39:52,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 01:39:52,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 01:39:52,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 01:39:52,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 01:39:52,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 01:39:52,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 01:39:52,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 01:39:52,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 01:39:52,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 01:39:52,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 01:39:52,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 01:39:52,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 01:39:52,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 01:39:52,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 01:39:52,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 01:39:52,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 01:39:52,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 01:39:52,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 01:39:52,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 01:39:52,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 01:39:52,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 01:39:52,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 01:39:52,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 01:39:52,579 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-28 01:39:52,599 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 01:39:52,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 01:39:52,600 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 01:39:52,600 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 01:39:52,600 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 01:39:52,601 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 01:39:52,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 01:39:52,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 01:39:52,602 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 01:39:52,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 01:39:52,602 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 01:39:52,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 01:39:52,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 01:39:52,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 01:39:52,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 01:39:52,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 01:39:52,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 01:39:52,603 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 01:39:52,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 01:39:52,604 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 01:39:52,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 01:39:52,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 01:39:52,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 01:39:52,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 01:39:52,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 01:39:52,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 01:39:52,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 01:39:52,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 01:39:52,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 01:39:52,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 01:39:52,613 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 01:39:52,613 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 01:39:52,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 01:39:52,614 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ecae2ca1de1e5b446d807037ed0cb2d4fc04c355acb35a6870f18f7e175f10e [2021-12-28 01:39:52,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 01:39:52,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 01:39:52,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 01:39:52,869 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 01:39:52,870 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 01:39:52,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_stateful-1.i [2021-12-28 01:39:52,915 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/665499bac/e0b8f9946cb84e0eb0611d224eb30f80/FLAG5aee2ed79 [2021-12-28 01:39:53,337 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 01:39:53,341 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_stateful-1.i [2021-12-28 01:39:53,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/665499bac/e0b8f9946cb84e0eb0611d224eb30f80/FLAG5aee2ed79 [2021-12-28 01:39:53,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/665499bac/e0b8f9946cb84e0eb0611d224eb30f80 [2021-12-28 01:39:53,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 01:39:53,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 01:39:53,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 01:39:53,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 01:39:53,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 01:39:53,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 01:39:53" (1/1) ... [2021-12-28 01:39:53,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539ee8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:39:53, skipping insertion in model container [2021-12-28 01:39:53,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 01:39:53" (1/1) ... [2021-12-28 01:39:53,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 01:39:53,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 01:39:54,007 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/seq-pthread/cs_stateful-1.i[23400,23413] [2021-12-28 01:39:54,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 01:39:54,084 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 01:39:54,119 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/seq-pthread/cs_stateful-1.i[23400,23413] [2021-12-28 01:39:54,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 01:39:54,189 INFO L208 MainTranslator]: Completed translation [2021-12-28 01:39:54,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:39:54 WrapperNode [2021-12-28 01:39:54,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 01:39:54,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 01:39:54,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 01:39:54,192 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 01:39:54,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:39:54" (1/1) ... [2021-12-28 01:39:54,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:39:54" (1/1) ... [2021-12-28 01:39:54,284 INFO L137 Inliner]: procedures = 144, calls = 231, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 563 [2021-12-28 01:39:54,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 01:39:54,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 01:39:54,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 01:39:54,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 01:39:54,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:39:54" (1/1) ... [2021-12-28 01:39:54,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:39:54" (1/1) ... [2021-12-28 01:39:54,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:39:54" (1/1) ... [2021-12-28 01:39:54,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:39:54" (1/1) ... [2021-12-28 01:39:54,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:39:54" (1/1) ... [2021-12-28 01:39:54,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:39:54" (1/1) ... [2021-12-28 01:39:54,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:39:54" (1/1) ... [2021-12-28 01:39:54,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 01:39:54,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 01:39:54,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 01:39:54,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 01:39:54,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:39:54" (1/1) ... [2021-12-28 01:39:54,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 01:39:54,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:39:54,361 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) [2021-12-28 01:39:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 01:39:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 01:39:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 01:39:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 01:39:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 01:39:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2021-12-28 01:39:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2021-12-28 01:39:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2021-12-28 01:39:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2021-12-28 01:39:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-12-28 01:39:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-12-28 01:39:54,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 01:39:54,387 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-12-28 01:39:54,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-12-28 01:39:54,387 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 [2021-12-28 01:39:54,387 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-12-28 01:39:54,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-12-28 01:39:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 01:39:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 01:39:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-12-28 01:39:54,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-12-28 01:39:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 01:39:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2021-12-28 01:39:54,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2021-12-28 01:39:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 01:39:54,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 01:39:54,534 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 01:39:54,535 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 01:39:54,859 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L746: SUMMARY for call __CS_cs(); srcloc: null [2021-12-28 01:39:54,859 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-1: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2021-12-28 01:39:54,859 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-1: assume !(0 != ~__CS_ret~0 % 256); [2021-12-28 01:39:54,860 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##31: assume !(0 != ~__CS_ret~0 % 256); [2021-12-28 01:39:54,860 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2021-12-28 01:39:54,860 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume !(0 != ~__CS_ret~0 % 256); [2021-12-28 01:39:54,860 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2021-12-28 01:39:57,146 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 01:39:57,156 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 01:39:57,157 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-28 01:39:57,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 01:39:57 BoogieIcfgContainer [2021-12-28 01:39:57,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 01:39:57,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 01:39:57,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 01:39:57,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 01:39:57,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 01:39:53" (1/3) ... [2021-12-28 01:39:57,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c81674c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 01:39:57, skipping insertion in model container [2021-12-28 01:39:57,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:39:54" (2/3) ... [2021-12-28 01:39:57,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c81674c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 01:39:57, skipping insertion in model container [2021-12-28 01:39:57,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 01:39:57" (3/3) ... [2021-12-28 01:39:57,166 INFO L111 eAbstractionObserver]: Analyzing ICFG cs_stateful-1.i [2021-12-28 01:39:57,170 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 01:39:57,171 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 01:39:57,217 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 01:39:57,224 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=PETRI_NET, 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 [2021-12-28 01:39:57,224 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 01:39:57,245 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 121 states have (on average 1.5041322314049588) internal successors, (182), 122 states have internal predecessors, (182), 42 states have call successors, (42), 7 states have call predecessors, (42), 7 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2021-12-28 01:39:57,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-28 01:39:57,252 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:39:57,253 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 01:39:57,254 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:39:57,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:39:57,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1724368089, now seen corresponding path program 1 times [2021-12-28 01:39:57,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:39:57,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683460126] [2021-12-28 01:39:57,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:39:57,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:39:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:39:57,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 01:39:57,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:39:57,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683460126] [2021-12-28 01:39:57,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683460126] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 01:39:57,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 01:39:57,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 01:39:57,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629425579] [2021-12-28 01:39:57,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 01:39:57,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 01:39:57,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:39:57,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 01:39:57,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 01:39:57,779 INFO L87 Difference]: Start difference. First operand has 172 states, 121 states have (on average 1.5041322314049588) internal successors, (182), 122 states have internal predecessors, (182), 42 states have call successors, (42), 7 states have call predecessors, (42), 7 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-12-28 01:39:57,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:39:57,872 INFO L93 Difference]: Finished difference Result 347 states and 569 transitions. [2021-12-28 01:39:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 01:39:57,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 32 [2021-12-28 01:39:57,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:39:57,884 INFO L225 Difference]: With dead ends: 347 [2021-12-28 01:39:57,885 INFO L226 Difference]: Without dead ends: 173 [2021-12-28 01:39:57,893 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 [2021-12-28 01:39:57,896 INFO L933 BasicCegarLoop]: 247 mSDtfsCounter, 5 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 01:39:57,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 492 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 01:39:57,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-12-28 01:39:57,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 169. [2021-12-28 01:39:57,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 119 states have (on average 1.3781512605042017) internal successors, (164), 119 states have internal predecessors, (164), 42 states have call successors, (42), 7 states have call predecessors, (42), 7 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2021-12-28 01:39:57,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 248 transitions. [2021-12-28 01:39:57,978 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 248 transitions. Word has length 32 [2021-12-28 01:39:57,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:39:57,978 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 248 transitions. [2021-12-28 01:39:57,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-12-28 01:39:57,979 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 248 transitions. [2021-12-28 01:39:57,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-28 01:39:57,986 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:39:57,986 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 01:39:57,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 01:39:57,986 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:39:57,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:39:57,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1488698589, now seen corresponding path program 1 times [2021-12-28 01:39:57,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:39:57,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248055362] [2021-12-28 01:39:57,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:39:57,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:39:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:39:58,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 01:39:58,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:39:58,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248055362] [2021-12-28 01:39:58,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248055362] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 01:39:58,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 01:39:58,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 01:39:58,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264825912] [2021-12-28 01:39:58,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 01:39:58,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 01:39:58,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:39:58,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 01:39:58,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 01:39:58,176 INFO L87 Difference]: Start difference. First operand 169 states and 248 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2021-12-28 01:39:58,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:39:58,204 INFO L93 Difference]: Finished difference Result 337 states and 496 transitions. [2021-12-28 01:39:58,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 01:39:58,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 36 [2021-12-28 01:39:58,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:39:58,210 INFO L225 Difference]: With dead ends: 337 [2021-12-28 01:39:58,211 INFO L226 Difference]: Without dead ends: 171 [2021-12-28 01:39:58,212 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 [2021-12-28 01:39:58,212 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 1 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 01:39:58,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 487 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 01:39:58,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2021-12-28 01:39:58,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 170. [2021-12-28 01:39:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 120 states have (on average 1.375) internal successors, (165), 120 states have internal predecessors, (165), 42 states have call successors, (42), 7 states have call predecessors, (42), 7 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2021-12-28 01:39:58,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 249 transitions. [2021-12-28 01:39:58,223 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 249 transitions. Word has length 36 [2021-12-28 01:39:58,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:39:58,223 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 249 transitions. [2021-12-28 01:39:58,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2021-12-28 01:39:58,224 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 249 transitions. [2021-12-28 01:39:58,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-28 01:39:58,225 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:39:58,225 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 01:39:58,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 01:39:58,225 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:39:58,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:39:58,226 INFO L85 PathProgramCache]: Analyzing trace with hash 967627515, now seen corresponding path program 1 times [2021-12-28 01:39:58,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:39:58,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128467307] [2021-12-28 01:39:58,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:39:58,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:39:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:39:58,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 01:39:58,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:39:58,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128467307] [2021-12-28 01:39:58,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128467307] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 01:39:58,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547460223] [2021-12-28 01:39:58,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:39:58,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:39:58,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:39:58,392 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 01:39:58,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-28 01:39:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:39:58,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 1701 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-28 01:39:58,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 01:39:59,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 01:39:59,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 01:39:59,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 01:39:59,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547460223] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 01:39:59,204 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 01:39:59,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-12-28 01:39:59,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817373372] [2021-12-28 01:39:59,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 01:39:59,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 01:39:59,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:39:59,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 01:39:59,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-28 01:39:59,206 INFO L87 Difference]: Start difference. First operand 170 states and 249 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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) [2021-12-28 01:39:59,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:39:59,254 INFO L93 Difference]: Finished difference Result 341 states and 501 transitions. [2021-12-28 01:39:59,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 01:39:59,255 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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 38 [2021-12-28 01:39:59,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:39:59,257 INFO L225 Difference]: With dead ends: 341 [2021-12-28 01:39:59,257 INFO L226 Difference]: Without dead ends: 174 [2021-12-28 01:39:59,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-28 01:39:59,259 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 3 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 01:39:59,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 971 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 01:39:59,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-12-28 01:39:59,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2021-12-28 01:39:59,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 124 states have (on average 1.3629032258064515) internal successors, (169), 124 states have internal predecessors, (169), 42 states have call successors, (42), 7 states have call predecessors, (42), 7 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2021-12-28 01:39:59,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 253 transitions. [2021-12-28 01:39:59,284 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 253 transitions. Word has length 38 [2021-12-28 01:39:59,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:39:59,284 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 253 transitions. [2021-12-28 01:39:59,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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) [2021-12-28 01:39:59,285 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 253 transitions. [2021-12-28 01:39:59,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-28 01:39:59,286 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:39:59,286 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 01:39:59,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-28 01:39:59,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:39:59,487 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:39:59,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:39:59,487 INFO L85 PathProgramCache]: Analyzing trace with hash -624054089, now seen corresponding path program 2 times [2021-12-28 01:39:59,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:39:59,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240244437] [2021-12-28 01:39:59,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:39:59,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:39:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:39:59,673 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-28 01:39:59,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:39:59,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240244437] [2021-12-28 01:39:59,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240244437] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 01:39:59,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533427068] [2021-12-28 01:39:59,674 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-28 01:39:59,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:39:59,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:39:59,677 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 01:39:59,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-28 01:40:00,581 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-28 01:40:00,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-28 01:40:00,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-28 01:40:00,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 01:40:00,717 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-28 01:40:00,717 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 01:40:00,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533427068] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 01:40:00,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 01:40:00,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-28 01:40:00,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068454677] [2021-12-28 01:40:00,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 01:40:00,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 01:40:00,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:40:00,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 01:40:00,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 01:40:00,719 INFO L87 Difference]: Start difference. First operand 174 states and 253 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-12-28 01:40:00,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:40:00,748 INFO L93 Difference]: Finished difference Result 332 states and 495 transitions. [2021-12-28 01:40:00,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 01:40:00,749 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 42 [2021-12-28 01:40:00,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:40:00,752 INFO L225 Difference]: With dead ends: 332 [2021-12-28 01:40:00,753 INFO L226 Difference]: Without dead ends: 306 [2021-12-28 01:40:00,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-28 01:40:00,754 INFO L933 BasicCegarLoop]: 349 mSDtfsCounter, 206 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 01:40:00,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 934 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 01:40:00,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-12-28 01:40:00,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 305. [2021-12-28 01:40:00,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 207 states have (on average 1.4106280193236715) internal successors, (292), 207 states have internal predecessors, (292), 83 states have call successors, (83), 14 states have call predecessors, (83), 14 states have return successors, (91), 83 states have call predecessors, (91), 83 states have call successors, (91) [2021-12-28 01:40:00,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 466 transitions. [2021-12-28 01:40:00,795 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 466 transitions. Word has length 42 [2021-12-28 01:40:00,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:40:00,796 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 466 transitions. [2021-12-28 01:40:00,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-12-28 01:40:00,796 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 466 transitions. [2021-12-28 01:40:00,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-12-28 01:40:00,799 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:40:00,799 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 01:40:00,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-28 01:40:01,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-12-28 01:40:01,016 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:40:01,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:40:01,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1759881955, now seen corresponding path program 1 times [2021-12-28 01:40:01,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:40:01,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461112522] [2021-12-28 01:40:01,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:40:01,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:40:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:01,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-28 01:40:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:01,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:40:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:01,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 01:40:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:01,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 01:40:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:01,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-28 01:40:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:01,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 01:40:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:01,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-28 01:40:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:01,270 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-12-28 01:40:01,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:40:01,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461112522] [2021-12-28 01:40:01,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461112522] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 01:40:01,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522399772] [2021-12-28 01:40:01,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:40:01,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:40:01,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:40:01,288 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 01:40:01,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-28 01:40:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:02,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 2039 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-28 01:40:02,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 01:40:02,163 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-12-28 01:40:02,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 01:40:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-12-28 01:40:02,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522399772] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 01:40:02,354 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 01:40:02,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 9 [2021-12-28 01:40:02,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224052614] [2021-12-28 01:40:02,355 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 01:40:02,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 01:40:02,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:40:02,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 01:40:02,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-28 01:40:02,356 INFO L87 Difference]: Start difference. First operand 305 states and 466 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-28 01:40:04,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 01:40:06,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 01:40:08,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 01:40:10,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 01:40:11,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:40:11,028 INFO L93 Difference]: Finished difference Result 617 states and 950 transitions. [2021-12-28 01:40:11,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-28 01:40:11,029 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 100 [2021-12-28 01:40:11,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:40:11,033 INFO L225 Difference]: With dead ends: 617 [2021-12-28 01:40:11,033 INFO L226 Difference]: Without dead ends: 325 [2021-12-28 01:40:11,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-12-28 01:40:11,037 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 36 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 51 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-12-28 01:40:11,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 966 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 563 Invalid, 4 Unknown, 0 Unchecked, 8.6s Time] [2021-12-28 01:40:11,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2021-12-28 01:40:11,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 319. [2021-12-28 01:40:11,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 219 states have (on average 1.3926940639269407) internal successors, (305), 221 states have internal predecessors, (305), 83 states have call successors, (83), 14 states have call predecessors, (83), 16 states have return successors, (97), 83 states have call predecessors, (97), 83 states have call successors, (97) [2021-12-28 01:40:11,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 485 transitions. [2021-12-28 01:40:11,070 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 485 transitions. Word has length 100 [2021-12-28 01:40:11,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:40:11,071 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 485 transitions. [2021-12-28 01:40:11,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-28 01:40:11,071 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 485 transitions. [2021-12-28 01:40:11,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-12-28 01:40:11,074 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:40:11,074 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 01:40:11,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-28 01:40:11,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:40:11,292 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:40:11,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:40:11,292 INFO L85 PathProgramCache]: Analyzing trace with hash -420954683, now seen corresponding path program 2 times [2021-12-28 01:40:11,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:40:11,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648080776] [2021-12-28 01:40:11,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:40:11,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:40:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:11,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-28 01:40:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:11,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:40:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:11,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 01:40:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:11,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 01:40:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:11,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-28 01:40:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:11,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 01:40:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:11,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-28 01:40:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:11,717 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-28 01:40:11,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:40:11,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648080776] [2021-12-28 01:40:11,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648080776] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 01:40:11,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 01:40:11,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-28 01:40:11,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874174237] [2021-12-28 01:40:11,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 01:40:11,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-28 01:40:11,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:40:11,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-28 01:40:11,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-28 01:40:11,724 INFO L87 Difference]: Start difference. First operand 319 states and 485 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-28 01:40:13,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 01:40:14,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:40:14,670 INFO L93 Difference]: Finished difference Result 662 states and 1021 transitions. [2021-12-28 01:40:14,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-28 01:40:14,671 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 110 [2021-12-28 01:40:14,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:40:14,674 INFO L225 Difference]: With dead ends: 662 [2021-12-28 01:40:14,675 INFO L226 Difference]: Without dead ends: 636 [2021-12-28 01:40:14,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-12-28 01:40:14,676 INFO L933 BasicCegarLoop]: 297 mSDtfsCounter, 313 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 167 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-28 01:40:14,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [336 Valid, 929 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 677 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-12-28 01:40:14,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2021-12-28 01:40:14,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 595. [2021-12-28 01:40:14,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 394 states have (on average 1.4238578680203047) internal successors, (561), 401 states have internal predecessors, (561), 165 states have call successors, (165), 28 states have call predecessors, (165), 35 states have return successors, (209), 165 states have call predecessors, (209), 165 states have call successors, (209) [2021-12-28 01:40:14,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 935 transitions. [2021-12-28 01:40:14,709 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 935 transitions. Word has length 110 [2021-12-28 01:40:14,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:40:14,711 INFO L470 AbstractCegarLoop]: Abstraction has 595 states and 935 transitions. [2021-12-28 01:40:14,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-28 01:40:14,711 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 935 transitions. [2021-12-28 01:40:14,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-12-28 01:40:14,717 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:40:14,717 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 01:40:14,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 01:40:14,718 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:40:14,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:40:14,718 INFO L85 PathProgramCache]: Analyzing trace with hash -593993191, now seen corresponding path program 1 times [2021-12-28 01:40:14,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:40:14,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836439154] [2021-12-28 01:40:14,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:40:14,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:40:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:24,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-28 01:40:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:24,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:40:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:24,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 01:40:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:24,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 01:40:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:24,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-28 01:40:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:24,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 01:40:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:24,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-28 01:40:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:24,273 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-12-28 01:40:24,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:40:24,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836439154] [2021-12-28 01:40:24,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836439154] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 01:40:24,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363975291] [2021-12-28 01:40:24,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:40:24,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:40:24,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:40:24,276 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 01:40:24,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-28 01:40:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:40:25,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 2211 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-28 01:40:25,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 01:40:25,422 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 31 proven. 3 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-12-28 01:40:25,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 01:40:25,723 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-28 01:40:25,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363975291] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 01:40:25,724 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 01:40:25,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 8] total 22 [2021-12-28 01:40:25,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078473842] [2021-12-28 01:40:25,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 01:40:25,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-28 01:40:25,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:40:25,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-28 01:40:25,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=388, Unknown=0, NotChecked=0, Total=462 [2021-12-28 01:40:25,725 INFO L87 Difference]: Start difference. First operand 595 states and 935 transitions. Second operand has 22 states, 21 states have (on average 6.904761904761905) internal successors, (145), 16 states have internal predecessors, (145), 6 states have call successors, (17), 6 states have call predecessors, (17), 9 states have return successors, (19), 10 states have call predecessors, (19), 6 states have call successors, (19) [2021-12-28 01:40:27,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 01:40:29,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 01:40:31,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:40:31,254 INFO L93 Difference]: Finished difference Result 1632 states and 2674 transitions. [2021-12-28 01:40:31,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-28 01:40:31,255 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.904761904761905) internal successors, (145), 16 states have internal predecessors, (145), 6 states have call successors, (17), 6 states have call predecessors, (17), 9 states have return successors, (19), 10 states have call predecessors, (19), 6 states have call successors, (19) Word has length 110 [2021-12-28 01:40:31,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:40:31,256 INFO L225 Difference]: With dead ends: 1632 [2021-12-28 01:40:31,256 INFO L226 Difference]: Without dead ends: 0 [2021-12-28 01:40:31,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 229 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=230, Invalid=1030, Unknown=0, NotChecked=0, Total=1260 [2021-12-28 01:40:31,262 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 1104 mSDsluCounter, 851 mSDsCounter, 0 mSdLazyCounter, 1488 mSolverCounterSat, 781 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1110 SdHoareTripleChecker+Valid, 1075 SdHoareTripleChecker+Invalid, 2271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 781 IncrementalHoareTripleChecker+Valid, 1488 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-28 01:40:31,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1110 Valid, 1075 Invalid, 2271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [781 Valid, 1488 Invalid, 2 Unknown, 0 Unchecked, 5.2s Time] [2021-12-28 01:40:31,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-28 01:40:31,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-28 01:40:31,264 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) [2021-12-28 01:40:31,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-28 01:40:31,264 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2021-12-28 01:40:31,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:40:31,265 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 01:40:31,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.904761904761905) internal successors, (145), 16 states have internal predecessors, (145), 6 states have call successors, (17), 6 states have call predecessors, (17), 9 states have return successors, (19), 10 states have call predecessors, (19), 6 states have call successors, (19) [2021-12-28 01:40:31,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-28 01:40:31,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-28 01:40:31,268 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-28 01:40:31,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-28 01:40:31,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:40:31,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-28 01:40:34,638 INFO L858 garLoopResultBuilder]: For program point __CS_pthread_mutex_initEXIT(lines 565 568) no Hoare annotation was computed. [2021-12-28 01:40:34,638 INFO L861 garLoopResultBuilder]: At program point __CS_pthread_mutex_initENTRY(lines 565 568) the Hoare annotation is: true [2021-12-28 01:40:34,639 INFO L858 garLoopResultBuilder]: For program point __CS_pthread_mutex_initFINAL(lines 565 568) no Hoare annotation was computed. [2021-12-28 01:40:34,639 INFO L858 garLoopResultBuilder]: For program point __CS_pthread_joinEXIT(lines 638 659) no Hoare annotation was computed. [2021-12-28 01:40:34,639 INFO L858 garLoopResultBuilder]: For program point L640(lines 640 645) no Hoare annotation was computed. [2021-12-28 01:40:34,639 INFO L854 garLoopResultBuilder]: At program point __CS_pthread_joinENTRY(lines 638 659) the Hoare annotation is: (or (not (= ~__CS_ret_PREEMPTED~0 1)) (and (= ~__CS_error~0 |old(~__CS_error~0)|) (= |old(~__CS_ret~0)| ~__CS_ret~0)) (not (= (mod |old(~__CS_ret~0)| 256) 0))) [2021-12-28 01:40:34,639 INFO L858 garLoopResultBuilder]: For program point __CS_pthread_joinFINAL(lines 638 659) no Hoare annotation was computed. [2021-12-28 01:40:34,639 INFO L858 garLoopResultBuilder]: For program point L657(line 657) no Hoare annotation was computed. [2021-12-28 01:40:34,639 INFO L858 garLoopResultBuilder]: For program point L657-2(line 657) no Hoare annotation was computed. [2021-12-28 01:40:34,639 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 656) no Hoare annotation was computed. [2021-12-28 01:40:34,639 INFO L858 garLoopResultBuilder]: For program point L646(line 646) no Hoare annotation was computed. [2021-12-28 01:40:34,639 INFO L858 garLoopResultBuilder]: For program point L646-2(lines 646 650) no Hoare annotation was computed. [2021-12-28 01:40:34,640 INFO L854 garLoopResultBuilder]: At program point __CS_pthread_mutex_lockENTRY(lines 578 583) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~__CS_ret~0)| ~__CS_ret~0)) (not (= ~__CS_ret_PREEMPTED~0 1)) (not (= (mod |old(~__CS_ret~0)| 256) 0))) [2021-12-28 01:40:34,640 INFO L858 garLoopResultBuilder]: For program point __CS_pthread_mutex_lockEXIT(lines 578 583) no Hoare annotation was computed. [2021-12-28 01:40:34,640 INFO L858 garLoopResultBuilder]: For program point L580(lines 580 581) no Hoare annotation was computed. [2021-12-28 01:40:34,640 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 580 581) no Hoare annotation was computed. [2021-12-28 01:40:34,640 INFO L858 garLoopResultBuilder]: For program point __CS_pthread_mutex_lockFINAL(lines 578 583) no Hoare annotation was computed. [2021-12-28 01:40:34,640 INFO L854 garLoopResultBuilder]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) .cse1) (or (not (= 0 |old(~__CS_error~0)|)) (= ~__CS_error~0 0) .cse0 .cse1) (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)))) [2021-12-28 01:40:34,640 INFO L858 garLoopResultBuilder]: For program point L729-1(lines 718 749) no Hoare annotation was computed. [2021-12-28 01:40:34,640 INFO L854 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) .cse1) (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)))) [2021-12-28 01:40:34,640 INFO L858 garLoopResultBuilder]: For program point L713-1(lines 702 716) no Hoare annotation was computed. [2021-12-28 01:40:34,641 INFO L854 garLoopResultBuilder]: At program point L730(line 730) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) .cse1) (or (not (= 0 |old(~__CS_error~0)|)) (= ~__CS_error~0 0) .cse0 .cse1) (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)))) [2021-12-28 01:40:34,641 INFO L858 garLoopResultBuilder]: For program point L730-1(line 730) no Hoare annotation was computed. [2021-12-28 01:40:34,641 INFO L854 garLoopResultBuilder]: At program point L697(line 697) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)) (or (= (mod ~__CS_ret~0 256) 0) .cse0 .cse1))) [2021-12-28 01:40:34,641 INFO L858 garLoopResultBuilder]: For program point L697-1(lines 686 700) no Hoare annotation was computed. [2021-12-28 01:40:34,641 INFO L858 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~$Pointer$FINAL(line -1) no Hoare annotation was computed. [2021-12-28 01:40:34,641 INFO L854 garLoopResultBuilder]: At program point L714(line 714) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) .cse1) (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)))) [2021-12-28 01:40:34,641 INFO L858 garLoopResultBuilder]: For program point L714-1(line 714) no Hoare annotation was computed. [2021-12-28 01:40:34,642 INFO L858 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~$Pointer$EXIT(line -1) no Hoare annotation was computed. [2021-12-28 01:40:34,642 INFO L854 garLoopResultBuilder]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) .cse1) (or (not (= 0 |old(~__CS_error~0)|)) (= ~__CS_error~0 0) .cse0 .cse1))) [2021-12-28 01:40:34,642 INFO L858 garLoopResultBuilder]: For program point L731-1(lines 718 749) no Hoare annotation was computed. [2021-12-28 01:40:34,642 INFO L854 garLoopResultBuilder]: At program point L698(line 698) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)) (or (= (mod ~__CS_ret~0 256) 0) .cse0 .cse1))) [2021-12-28 01:40:34,642 INFO L858 garLoopResultBuilder]: For program point L698-1(line 698) no Hoare annotation was computed. [2021-12-28 01:40:34,642 INFO L858 garLoopResultBuilder]: For program point L748(lines 718 749) no Hoare annotation was computed. [2021-12-28 01:40:34,642 INFO L854 garLoopResultBuilder]: At program point L715(line 715) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)) (or .cse0 (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0)) .cse1))) [2021-12-28 01:40:34,642 INFO L858 garLoopResultBuilder]: For program point L715-1(lines 702 716) no Hoare annotation was computed. [2021-12-28 01:40:34,642 INFO L854 garLoopResultBuilder]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) .cse1) (or (not (= 0 |old(~__CS_error~0)|)) (= ~__CS_error~0 0) .cse0 .cse1))) [2021-12-28 01:40:34,642 INFO L858 garLoopResultBuilder]: For program point L732-1(line 732) no Hoare annotation was computed. [2021-12-28 01:40:34,642 INFO L854 garLoopResultBuilder]: At program point L699(line 699) the Hoare annotation is: (or (not (= ~__CS_ret_PREEMPTED~0 1)) (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) (not (= (mod |old(~__CS_ret~0)| 256) 0)) (= (select ~__CS_thread~0.offset 2) 0)) [2021-12-28 01:40:34,642 INFO L858 garLoopResultBuilder]: For program point L699-1(lines 686 700) no Hoare annotation was computed. [2021-12-28 01:40:34,643 INFO L854 garLoopResultBuilder]: At program point L733(line 733) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) .cse1) (or (not (= 0 |old(~__CS_error~0)|)) (= ~__CS_error~0 0) .cse0 .cse1))) [2021-12-28 01:40:34,643 INFO L858 garLoopResultBuilder]: For program point L733-1(lines 718 749) no Hoare annotation was computed. [2021-12-28 01:40:34,643 INFO L854 garLoopResultBuilder]: At program point L717(lines 717 749) the Hoare annotation is: (or (not (= ~__CS_ret_PREEMPTED~0 1)) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0)) (not (= (mod |old(~__CS_ret~0)| 256) 0))) [2021-12-28 01:40:34,643 INFO L854 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) .cse1) (or (not (= 0 |old(~__CS_error~0)|)) (= ~__CS_error~0 0) .cse0 .cse1))) [2021-12-28 01:40:34,643 INFO L858 garLoopResultBuilder]: For program point L734-1(line 734) no Hoare annotation was computed. [2021-12-28 01:40:34,643 INFO L854 garLoopResultBuilder]: At program point L701(lines 701 716) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)) (or .cse0 (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0)) .cse1))) [2021-12-28 01:40:34,643 INFO L854 garLoopResultBuilder]: At program point L685(lines 685 700) the Hoare annotation is: (or (not (= ~__CS_ret_PREEMPTED~0 1)) (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) (not (= (mod |old(~__CS_ret~0)| 256) 0)) (= (select ~__CS_thread~0.offset 2) 0)) [2021-12-28 01:40:34,644 INFO L854 garLoopResultBuilder]: At program point L735(line 735) the Hoare annotation is: (or (not (= ~__CS_ret_PREEMPTED~0 1)) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0)) (not (= (mod |old(~__CS_ret~0)| 256) 0))) [2021-12-28 01:40:34,644 INFO L858 garLoopResultBuilder]: For program point L735-1(lines 718 749) no Hoare annotation was computed. [2021-12-28 01:40:34,644 INFO L854 garLoopResultBuilder]: At program point L736(line 736) the Hoare annotation is: (or (not (= ~__CS_ret_PREEMPTED~0 1)) (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) (not (= (mod |old(~__CS_ret~0)| 256) 0))) [2021-12-28 01:40:34,644 INFO L858 garLoopResultBuilder]: For program point L736-1(line 736) no Hoare annotation was computed. [2021-12-28 01:40:34,644 INFO L854 garLoopResultBuilder]: At program point L703(line 703) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(~__CS_thread~0.offset)| ~__CS_thread~0.offset) (= |#memory_int| |old(#memory_int)|) (= ~__CS_error~0 |old(~__CS_error~0)|) (= ~__CS_thread~0.base |old(~__CS_thread~0.base)|) (= |old(~__CS_round~0)| ~__CS_round~0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~__CS_ret~0)| ~__CS_ret~0) (= |old(#valid)| |#valid|) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0)) (= ~__CS_thread_index~0 |old(~__CS_thread_index~0)|)) (not (= ~__CS_ret_PREEMPTED~0 1)) (not (= (mod |old(~__CS_ret~0)| 256) 0))) [2021-12-28 01:40:34,644 INFO L858 garLoopResultBuilder]: For program point L703-1(lines 702 716) no Hoare annotation was computed. [2021-12-28 01:40:34,644 INFO L854 garLoopResultBuilder]: At program point L687(line 687) the Hoare annotation is: (or (not (= ~__CS_ret_PREEMPTED~0 1)) (and (= |old(#length)| |#length|) (= |old(~__CS_thread~0.offset)| ~__CS_thread~0.offset) (= |#memory_int| |old(#memory_int)|) (= ~__CS_error~0 |old(~__CS_error~0)|) (= ~__CS_thread~0.base |old(~__CS_thread~0.base)|) (= |old(~__CS_round~0)| ~__CS_round~0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~__CS_ret~0)| ~__CS_ret~0) (= |old(#valid)| |#valid|) (= ~__CS_thread_index~0 |old(~__CS_thread_index~0)|)) (not (= (mod |old(~__CS_ret~0)| 256) 0))) [2021-12-28 01:40:34,644 INFO L858 garLoopResultBuilder]: For program point L687-1(lines 686 700) no Hoare annotation was computed. [2021-12-28 01:40:34,645 INFO L854 garLoopResultBuilder]: At program point L737(line 737) the Hoare annotation is: (or (not (= ~__CS_ret_PREEMPTED~0 1)) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0)) (not (= (mod |old(~__CS_ret~0)| 256) 0))) [2021-12-28 01:40:34,645 INFO L858 garLoopResultBuilder]: For program point L737-1(lines 718 749) no Hoare annotation was computed. [2021-12-28 01:40:34,645 INFO L854 garLoopResultBuilder]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) .cse1) (or (not (= 0 |old(~__CS_error~0)|)) (= ~__CS_error~0 0) .cse0 .cse1) (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)))) [2021-12-28 01:40:34,645 INFO L858 garLoopResultBuilder]: For program point L704-1(line 704) no Hoare annotation was computed. [2021-12-28 01:40:34,645 INFO L854 garLoopResultBuilder]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (and (= |#memory_int| |old(#memory_int)|) (= ~__CS_error~0 |old(~__CS_error~0)|) (= |old(~__CS_round~0)| ~__CS_round~0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~__CS_ret~0)| ~__CS_ret~0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) .cse1) (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)))) [2021-12-28 01:40:34,645 INFO L858 garLoopResultBuilder]: For program point L721-1(lines 718 749) no Hoare annotation was computed. [2021-12-28 01:40:34,645 INFO L854 garLoopResultBuilder]: At program point L688(line 688) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or (not (= 0 |old(~__CS_error~0)|)) (= ~__CS_error~0 0) .cse0 .cse1) (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)) (or (= (mod ~__CS_ret~0 256) 0) .cse0 .cse1))) [2021-12-28 01:40:34,645 INFO L858 garLoopResultBuilder]: For program point L688-1(line 688) no Hoare annotation was computed. [2021-12-28 01:40:34,645 INFO L858 garLoopResultBuilder]: For program point L738(line 738) no Hoare annotation was computed. [2021-12-28 01:40:34,645 INFO L854 garLoopResultBuilder]: At program point L705(line 705) the Hoare annotation is: (let ((.cse2 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse3 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (let ((.cse1 (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0)))) (or (let ((.cse0 (+ ~__CS_ret~0 (* (div ~__CS_ret_PREEMPTED~0 256) 256)))) (and (<= .cse0 ~__CS_ret_PREEMPTED~0) .cse1 (<= ~__CS_ret_PREEMPTED~0 .cse0))) .cse2 (and (= (mod ~__CS_ret~0 256) 0) .cse1) .cse3)) (or (not (= 0 |old(~__CS_error~0)|)) (= ~__CS_error~0 0) .cse2 .cse3) (or .cse2 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse3 (= (select ~__CS_thread~0.offset 2) 0)))) [2021-12-28 01:40:34,645 INFO L858 garLoopResultBuilder]: For program point L738-2(lines 738 747) no Hoare annotation was computed. [2021-12-28 01:40:34,645 INFO L858 garLoopResultBuilder]: For program point L705-1(lines 702 716) no Hoare annotation was computed. [2021-12-28 01:40:34,645 INFO L854 garLoopResultBuilder]: At program point L738-4(lines 738 747) the Hoare annotation is: (or (not (= ~__CS_ret_PREEMPTED~0 1)) (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) (not (= (mod |old(~__CS_ret~0)| 256) 0))) [2021-12-28 01:40:34,646 INFO L854 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) .cse1) (or (not (= 0 |old(~__CS_error~0)|)) (= ~__CS_error~0 0) .cse0 .cse1) (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)))) [2021-12-28 01:40:34,646 INFO L858 garLoopResultBuilder]: For program point L722-1(line 722) no Hoare annotation was computed. [2021-12-28 01:40:34,646 INFO L854 garLoopResultBuilder]: At program point L689(line 689) the Hoare annotation is: (let ((.cse1 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse2 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or (= (mod ~__CS_ret~0 256) 0) (let ((.cse0 (+ ~__CS_ret~0 (* (div ~__CS_ret_PREEMPTED~0 256) 256)))) (and (<= .cse0 ~__CS_ret_PREEMPTED~0) (<= ~__CS_ret_PREEMPTED~0 .cse0))) .cse1 .cse2) (or (not (= 0 |old(~__CS_error~0)|)) (= ~__CS_error~0 0) .cse1 .cse2) (or .cse1 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse2 (= (select ~__CS_thread~0.offset 2) 0)))) [2021-12-28 01:40:34,646 INFO L858 garLoopResultBuilder]: For program point L689-1(lines 686 700) no Hoare annotation was computed. [2021-12-28 01:40:34,646 INFO L854 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~$Pointer$ENTRY(line -1) the Hoare annotation is: (or (not (= ~__CS_ret_PREEMPTED~0 1)) (and (= |old(#length)| |#length|) (= |old(~__CS_thread~0.offset)| ~__CS_thread~0.offset) (= |#memory_int| |old(#memory_int)|) (= ~__CS_error~0 |old(~__CS_error~0)|) (= ~__CS_thread~0.base |old(~__CS_thread~0.base)|) (= |old(~__CS_round~0)| ~__CS_round~0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~__CS_ret~0)| ~__CS_ret~0) (= |old(#valid)| |#valid|) (= ~__CS_thread_index~0 |old(~__CS_thread_index~0)|)) (not (= (mod |old(~__CS_ret~0)| 256) 0))) [2021-12-28 01:40:34,646 INFO L854 garLoopResultBuilder]: At program point L723(line 723) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) .cse1) (or (not (= 0 |old(~__CS_error~0)|)) (= ~__CS_error~0 0) .cse0 .cse1) (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)))) [2021-12-28 01:40:34,647 INFO L858 garLoopResultBuilder]: For program point L723-1(lines 718 749) no Hoare annotation was computed. [2021-12-28 01:40:34,647 INFO L854 garLoopResultBuilder]: At program point L740(line 740) the Hoare annotation is: (or (not (= ~__CS_ret_PREEMPTED~0 1)) (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) (not (= (mod |old(~__CS_ret~0)| 256) 0))) [2021-12-28 01:40:34,647 INFO L858 garLoopResultBuilder]: For program point L740-1(lines 739 747) no Hoare annotation was computed. [2021-12-28 01:40:34,647 INFO L854 garLoopResultBuilder]: At program point L707(line 707) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) .cse1) (or (not (= 0 |old(~__CS_error~0)|)) (= ~__CS_error~0 0) .cse0 .cse1) (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)))) [2021-12-28 01:40:34,648 INFO L858 garLoopResultBuilder]: For program point L707-1(lines 702 716) no Hoare annotation was computed. [2021-12-28 01:40:34,648 INFO L854 garLoopResultBuilder]: At program point L724(line 724) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) .cse1) (or (not (= 0 |old(~__CS_error~0)|)) (= ~__CS_error~0 0) .cse0 .cse1) (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)))) [2021-12-28 01:40:34,648 INFO L858 garLoopResultBuilder]: For program point L724-1(line 724) no Hoare annotation was computed. [2021-12-28 01:40:34,648 INFO L854 garLoopResultBuilder]: At program point L691(line 691) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or (not (= 0 |old(~__CS_error~0)|)) (= ~__CS_error~0 0) .cse0 .cse1) (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)) (or (= (mod ~__CS_ret~0 256) 0) .cse0 .cse1))) [2021-12-28 01:40:34,648 INFO L858 garLoopResultBuilder]: For program point L691-1(lines 686 700) no Hoare annotation was computed. [2021-12-28 01:40:34,648 INFO L854 garLoopResultBuilder]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) .cse1) (or (not (= 0 |old(~__CS_error~0)|)) (= ~__CS_error~0 0) .cse0 .cse1) (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)))) [2021-12-28 01:40:34,648 INFO L858 garLoopResultBuilder]: For program point L708-1(line 708) no Hoare annotation was computed. [2021-12-28 01:40:34,649 INFO L854 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) .cse1) (or (not (= 0 |old(~__CS_error~0)|)) (= ~__CS_error~0 0) .cse0 .cse1) (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)))) [2021-12-28 01:40:34,649 INFO L858 garLoopResultBuilder]: For program point L725-1(lines 718 749) no Hoare annotation was computed. [2021-12-28 01:40:34,649 INFO L854 garLoopResultBuilder]: At program point L692(line 692) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or (not (= 0 |old(~__CS_error~0)|)) (= ~__CS_error~0 0) .cse0 .cse1) (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)) (or (= (mod ~__CS_ret~0 256) 0) .cse0 .cse1))) [2021-12-28 01:40:34,649 INFO L858 garLoopResultBuilder]: For program point L692-1(line 692) no Hoare annotation was computed. [2021-12-28 01:40:34,649 INFO L854 garLoopResultBuilder]: At program point L709(line 709) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)) (or .cse0 (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0)) .cse1))) [2021-12-28 01:40:34,649 INFO L858 garLoopResultBuilder]: For program point L709-1(lines 702 716) no Hoare annotation was computed. [2021-12-28 01:40:34,649 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-28 01:40:34,649 INFO L858 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2021-12-28 01:40:34,649 INFO L858 garLoopResultBuilder]: For program point L-1-4(line -1) no Hoare annotation was computed. [2021-12-28 01:40:34,649 INFO L854 garLoopResultBuilder]: At program point L693(line 693) the Hoare annotation is: (or (not (= ~__CS_ret_PREEMPTED~0 1)) (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) (not (= (mod |old(~__CS_ret~0)| 256) 0)) (= (select ~__CS_thread~0.offset 2) 0)) [2021-12-28 01:40:34,649 INFO L858 garLoopResultBuilder]: For program point L693-1(lines 686 700) no Hoare annotation was computed. [2021-12-28 01:40:34,649 INFO L854 garLoopResultBuilder]: At program point L743(lines 739 747) the Hoare annotation is: (or (not (= ~__CS_ret_PREEMPTED~0 1)) (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) (not (= (mod |old(~__CS_ret~0)| 256) 0))) [2021-12-28 01:40:34,650 INFO L854 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) .cse1) (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)))) [2021-12-28 01:40:34,650 INFO L858 garLoopResultBuilder]: For program point L710-1(line 710) no Hoare annotation was computed. [2021-12-28 01:40:34,650 INFO L854 garLoopResultBuilder]: At program point L727(line 727) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (and (= (mod ~__CS_ret~0 256) 0) (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0))) .cse1) (or (not (= 0 |old(~__CS_error~0)|)) (= ~__CS_error~0 0) .cse0 .cse1) (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)))) [2021-12-28 01:40:34,650 INFO L858 garLoopResultBuilder]: For program point L727-1(lines 718 749) no Hoare annotation was computed. [2021-12-28 01:40:34,650 INFO L854 garLoopResultBuilder]: At program point L694(line 694) the Hoare annotation is: (let ((.cse0 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse1 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or .cse0 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse1 (= (select ~__CS_thread~0.offset 2) 0)) (or (= (mod ~__CS_ret~0 256) 0) .cse0 .cse1))) [2021-12-28 01:40:34,650 INFO L858 garLoopResultBuilder]: For program point L694-1(line 694) no Hoare annotation was computed. [2021-12-28 01:40:34,650 INFO L854 garLoopResultBuilder]: At program point L711(line 711) the Hoare annotation is: (let ((.cse2 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse3 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (let ((.cse1 (not (= |##fun~$Pointer$~TO~$Pointer$_#in~#fp#1.offset| 0)))) (or (let ((.cse0 (+ ~__CS_ret~0 (* (div ~__CS_ret_PREEMPTED~0 256) 256)))) (and (<= .cse0 ~__CS_ret_PREEMPTED~0) .cse1 (<= ~__CS_ret_PREEMPTED~0 .cse0))) .cse2 (and (= (mod ~__CS_ret~0 256) 0) .cse1) .cse3)) (or .cse2 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse3 (= (select ~__CS_thread~0.offset 2) 0)))) [2021-12-28 01:40:34,650 INFO L858 garLoopResultBuilder]: For program point L711-1(lines 702 716) no Hoare annotation was computed. [2021-12-28 01:40:34,650 INFO L854 garLoopResultBuilder]: At program point L695(line 695) the Hoare annotation is: (let ((.cse1 (not (= ~__CS_ret_PREEMPTED~0 1))) (.cse2 (not (= (mod |old(~__CS_ret~0)| 256) 0)))) (and (or (= (mod ~__CS_ret~0 256) 0) (let ((.cse0 (+ ~__CS_ret~0 (* (div ~__CS_ret_PREEMPTED~0 256) 256)))) (and (<= .cse0 ~__CS_ret_PREEMPTED~0) (<= ~__CS_ret_PREEMPTED~0 .cse0))) .cse1 .cse2) (or .cse1 (not (= (select |old(~__CS_thread~0.offset)| 2) 0)) .cse2 (= (select ~__CS_thread~0.offset 2) 0)))) [2021-12-28 01:40:34,650 INFO L858 garLoopResultBuilder]: For program point L695-1(lines 686 700) no Hoare annotation was computed. [2021-12-28 01:40:34,651 INFO L854 garLoopResultBuilder]: At program point __CS_pthread_mutex_unlockENTRY(lines 584 592) the Hoare annotation is: (or (not (= ~__CS_ret_PREEMPTED~0 1)) (and (= |#memory_int| |old(#memory_int)|) (= ~__CS_error~0 |old(~__CS_error~0)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~__CS_ret~0)| ~__CS_ret~0)) (not (= (mod |old(~__CS_ret~0)| 256) 0))) [2021-12-28 01:40:34,651 INFO L858 garLoopResultBuilder]: For program point L586(lines 586 590) no Hoare annotation was computed. [2021-12-28 01:40:34,651 INFO L858 garLoopResultBuilder]: For program point __CS_pthread_mutex_unlockFINAL(lines 584 592) no Hoare annotation was computed. [2021-12-28 01:40:34,651 INFO L858 garLoopResultBuilder]: For program point __CS_pthread_mutex_unlockEXIT(lines 584 592) no Hoare annotation was computed. [2021-12-28 01:40:34,651 INFO L858 garLoopResultBuilder]: For program point __CS_pthread_createFINAL(lines 660 673) no Hoare annotation was computed. [2021-12-28 01:40:34,651 INFO L858 garLoopResultBuilder]: For program point __CS_pthread_createEXIT(lines 660 673) no Hoare annotation was computed. [2021-12-28 01:40:34,651 INFO L854 garLoopResultBuilder]: At program point __CS_pthread_createENTRY(lines 660 673) the Hoare annotation is: (or (not (= (mod ~__CS_ret~0 256) 0)) (and (= |old(~__CS_thread~0.offset)| ~__CS_thread~0.offset) (= |#memory_int| |old(#memory_int)|) (= ~__CS_thread~0.base |old(~__CS_thread~0.base)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~__CS_thread_index~0 |old(~__CS_thread_index~0)|)) (not (= ~__CS_ret_PREEMPTED~0 1))) [2021-12-28 01:40:34,651 INFO L858 garLoopResultBuilder]: For program point L662(lines 662 665) no Hoare annotation was computed. [2021-12-28 01:40:34,651 INFO L858 garLoopResultBuilder]: For program point L803-2(line 803) no Hoare annotation was computed. [2021-12-28 01:40:34,651 INFO L854 garLoopResultBuilder]: At program point L787(line 787) the Hoare annotation is: (and (= (mod ~__CS_ret~0 256) 0) (= ~__CS_error~0 0) (= (+ (- 1) ~__CS_ret_PREEMPTED~0) 0) (= (select ~__CS_thread~0.offset 2) 0)) [2021-12-28 01:40:34,651 INFO L858 garLoopResultBuilder]: For program point L787-1(line 787) no Hoare annotation was computed. [2021-12-28 01:40:34,651 INFO L858 garLoopResultBuilder]: For program point L804(line 804) no Hoare annotation was computed. [2021-12-28 01:40:34,651 INFO L858 garLoopResultBuilder]: For program point L804-2(line 804) no Hoare annotation was computed. [2021-12-28 01:40:34,651 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-28 01:40:34,651 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-28 01:40:34,651 INFO L858 garLoopResultBuilder]: For program point L796(lines 796 801) no Hoare annotation was computed. [2021-12-28 01:40:34,651 INFO L858 garLoopResultBuilder]: For program point L796-1(lines 796 801) no Hoare annotation was computed. [2021-12-28 01:40:34,651 INFO L858 garLoopResultBuilder]: For program point L788(line 788) no Hoare annotation was computed. [2021-12-28 01:40:34,651 INFO L858 garLoopResultBuilder]: For program point L805(line 805) no Hoare annotation was computed. [2021-12-28 01:40:34,652 INFO L858 garLoopResultBuilder]: For program point L805-2(line 805) no Hoare annotation was computed. [2021-12-28 01:40:34,652 INFO L858 garLoopResultBuilder]: For program point L806(line 806) no Hoare annotation was computed. [2021-12-28 01:40:34,652 INFO L858 garLoopResultBuilder]: For program point L806-2(line 806) no Hoare annotation was computed. [2021-12-28 01:40:34,652 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 795) no Hoare annotation was computed. [2021-12-28 01:40:34,652 INFO L858 garLoopResultBuilder]: For program point L790-1(lines 790 795) no Hoare annotation was computed. [2021-12-28 01:40:34,652 INFO L858 garLoopResultBuilder]: For program point L807(line 807) no Hoare annotation was computed. [2021-12-28 01:40:34,652 INFO L858 garLoopResultBuilder]: For program point L807-2(line 807) no Hoare annotation was computed. [2021-12-28 01:40:34,652 INFO L854 garLoopResultBuilder]: At program point L799(line 799) the Hoare annotation is: (and (= (mod ~__CS_ret~0 256) 0) (= ~__CS_ret_PREEMPTED~0 1)) [2021-12-28 01:40:34,652 INFO L858 garLoopResultBuilder]: For program point L799-1(line 799) no Hoare annotation was computed. [2021-12-28 01:40:34,652 INFO L858 garLoopResultBuilder]: For program point L535(lines 535 537) no Hoare annotation was computed. [2021-12-28 01:40:34,653 INFO L861 garLoopResultBuilder]: At program point L535-2(lines 534 539) the Hoare annotation is: true [2021-12-28 01:40:34,653 INFO L858 garLoopResultBuilder]: For program point L758-2(lines 758 767) no Hoare annotation was computed. [2021-12-28 01:40:34,653 INFO L854 garLoopResultBuilder]: At program point L758-3(lines 758 767) the Hoare annotation is: (and (= (mod ~__CS_ret~0 256) 0) (= ~__CS_ret_PREEMPTED~0 1) (= ~__CS_error~0 0) (= (select ~__CS_thread~0.offset 2) 0)) [2021-12-28 01:40:34,653 INFO L858 garLoopResultBuilder]: For program point L758-4(lines 758 767) no Hoare annotation was computed. [2021-12-28 01:40:34,653 INFO L858 garLoopResultBuilder]: For program point L750(lines 750 813) no Hoare annotation was computed. [2021-12-28 01:40:34,653 INFO L858 garLoopResultBuilder]: For program point L808(line 808) no Hoare annotation was computed. [2021-12-28 01:40:34,653 INFO L858 garLoopResultBuilder]: For program point L808-2(line 808) no Hoare annotation was computed. [2021-12-28 01:40:34,653 INFO L858 garLoopResultBuilder]: For program point L800(line 800) no Hoare annotation was computed. [2021-12-28 01:40:34,653 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-28 01:40:34,653 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-12-28 01:40:34,653 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2021-12-28 01:40:34,653 INFO L858 garLoopResultBuilder]: For program point L759-2(lines 759 762) no Hoare annotation was computed. [2021-12-28 01:40:34,653 INFO L854 garLoopResultBuilder]: At program point L759-3(lines 759 762) the Hoare annotation is: (and (= (mod ~__CS_ret~0 256) 0) (= ~__CS_ret_PREEMPTED~0 1) (= ~__CS_error~0 0) (<= |ULTIMATE.start_main_~i~0#1| 1) (= (select ~__CS_thread~0.offset 2) 0)) [2021-12-28 01:40:34,653 INFO L858 garLoopResultBuilder]: For program point L759-4(lines 759 762) no Hoare annotation was computed. [2021-12-28 01:40:34,654 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 789) no Hoare annotation was computed. [2021-12-28 01:40:34,654 INFO L858 garLoopResultBuilder]: For program point L784-1(lines 784 789) no Hoare annotation was computed. [2021-12-28 01:40:34,654 INFO L858 garLoopResultBuilder]: For program point L809(line 809) no Hoare annotation was computed. [2021-12-28 01:40:34,654 INFO L858 garLoopResultBuilder]: For program point L809-2(line 809) no Hoare annotation was computed. [2021-12-28 01:40:34,654 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-28 01:40:34,654 INFO L854 garLoopResultBuilder]: At program point L793(line 793) the Hoare annotation is: (and (= (mod ~__CS_ret~0 256) 0) (= ~__CS_ret_PREEMPTED~0 1)) [2021-12-28 01:40:34,654 INFO L858 garLoopResultBuilder]: For program point L793-1(line 793) no Hoare annotation was computed. [2021-12-28 01:40:34,654 INFO L858 garLoopResultBuilder]: For program point L810(line 810) no Hoare annotation was computed. [2021-12-28 01:40:34,654 INFO L858 garLoopResultBuilder]: For program point L810-2(line 810) no Hoare annotation was computed. [2021-12-28 01:40:34,654 INFO L858 garLoopResultBuilder]: For program point L802(line 802) no Hoare annotation was computed. [2021-12-28 01:40:34,654 INFO L858 garLoopResultBuilder]: For program point L802-2(line 802) no Hoare annotation was computed. [2021-12-28 01:40:34,655 INFO L858 garLoopResultBuilder]: For program point L794(line 794) no Hoare annotation was computed. [2021-12-28 01:40:34,655 INFO L858 garLoopResultBuilder]: For program point L811(line 811) no Hoare annotation was computed. [2021-12-28 01:40:34,655 INFO L858 garLoopResultBuilder]: For program point L811-2(line 811) no Hoare annotation was computed. [2021-12-28 01:40:34,655 INFO L858 garLoopResultBuilder]: For program point L803(line 803) no Hoare annotation was computed. [2021-12-28 01:40:34,655 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-12-28 01:40:34,655 INFO L858 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2021-12-28 01:40:34,655 INFO L858 garLoopResultBuilder]: For program point L563-2(line 563) no Hoare annotation was computed. [2021-12-28 01:40:34,655 INFO L858 garLoopResultBuilder]: For program point L561-2(line 561) no Hoare annotation was computed. [2021-12-28 01:40:34,655 INFO L858 garLoopResultBuilder]: For program point __CS_csEXIT(lines 558 564) no Hoare annotation was computed. [2021-12-28 01:40:34,655 INFO L854 garLoopResultBuilder]: At program point __CS_csENTRY(lines 558 564) the Hoare annotation is: (or (not (= ~__CS_ret_PREEMPTED~0 1)) (and (= |old(~__CS_round~0)| ~__CS_round~0) (= |old(~__CS_ret~0)| ~__CS_ret~0))) [2021-12-28 01:40:34,656 INFO L858 garLoopResultBuilder]: For program point __CS_csFINAL(lines 558 564) no Hoare annotation was computed. [2021-12-28 01:40:34,658 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1] [2021-12-28 01:40:34,659 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-28 01:40:34,664 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset [2021-12-28 01:40:34,667 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset [2021-12-28 01:40:34,668 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset [2021-12-28 01:40:34,668 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset [2021-12-28 01:40:34,671 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset [2021-12-28 01:40:34,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset [2021-12-28 01:40:34,674 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset [2021-12-28 01:40:34,675 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset [2021-12-28 01:40:34,675 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset [2021-12-28 01:40:34,675 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset [2021-12-28 01:40:34,675 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset [2021-12-28 01:40:34,675 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset [2021-12-28 01:40:34,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 01:40:34 BoogieIcfgContainer [2021-12-28 01:40:34,676 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-28 01:40:34,676 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-28 01:40:34,676 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-28 01:40:34,677 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-28 01:40:34,677 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 01:39:57" (3/4) ... [2021-12-28 01:40:34,686 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-28 01:40:34,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2021-12-28 01:40:34,691 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_mutex_lock [2021-12-28 01:40:34,691 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2021-12-28 01:40:34,691 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_mutex_unlock [2021-12-28 01:40:34,691 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2021-12-28 01:40:34,691 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2021-12-28 01:40:34,691 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_mutex_init [2021-12-28 01:40:34,700 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2021-12-28 01:40:34,702 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-28 01:40:34,703 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-12-28 01:40:34,704 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-12-28 01:40:34,719 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__CS_ret_PREEMPTED == 1) || !(\old(__CS_thread)[2] == 0)) || !(\old(__CS_ret) % 256 == 0)) || __CS_thread[2] == 0) && ((!(__CS_ret_PREEMPTED == 1) || !(#fp == 0)) || !(\old(__CS_ret) % 256 == 0)) [2021-12-28 01:40:34,720 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__CS_ret_PREEMPTED == 1) || !(\old(__CS_thread)[2] == 0)) || !(\old(__CS_ret) % 256 == 0)) || __CS_thread[2] == 0 [2021-12-28 01:40:34,720 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(__CS_ret_PREEMPTED == 1) || !(#fp == 0)) || !(\old(__CS_ret) % 256 == 0) [2021-12-28 01:40:34,721 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(__CS_ret_PREEMPTED == 1) || (__CS_ret % 256 == 0 && !(#fp == 0))) || !(\old(__CS_ret) % 256 == 0) [2021-12-28 01:40:34,778 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-28 01:40:34,780 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-28 01:40:34,781 INFO L158 Benchmark]: Toolchain (without parser) took 41073.73ms. Allocated memory was 56.6MB in the beginning and 237.0MB in the end (delta: 180.4MB). Free memory was 34.0MB in the beginning and 148.8MB in the end (delta: -114.8MB). Peak memory consumption was 179.5MB. Max. memory is 16.1GB. [2021-12-28 01:40:34,781 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 01:40:34,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.68ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 33.8MB in the beginning and 42.2MB in the end (delta: -8.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-28 01:40:34,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.39ms. Allocated memory is still 73.4MB. Free memory was 41.9MB in the beginning and 54.0MB in the end (delta: -12.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2021-12-28 01:40:34,782 INFO L158 Benchmark]: Boogie Preprocessor took 45.88ms. Allocated memory is still 73.4MB. Free memory was 54.0MB in the beginning and 50.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-28 01:40:34,782 INFO L158 Benchmark]: RCFGBuilder took 2828.29ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 50.3MB in the beginning and 64.3MB in the end (delta: -14.0MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2021-12-28 01:40:34,782 INFO L158 Benchmark]: TraceAbstraction took 37514.69ms. Allocated memory was 90.2MB in the beginning and 237.0MB in the end (delta: 146.8MB). Free memory was 63.7MB in the beginning and 46.9MB in the end (delta: 16.7MB). Peak memory consumption was 177.7MB. Max. memory is 16.1GB. [2021-12-28 01:40:34,782 INFO L158 Benchmark]: Witness Printer took 103.87ms. Allocated memory is still 237.0MB. Free memory was 46.9MB in the beginning and 148.8MB in the end (delta: -101.9MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-12-28 01:40:34,784 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.68ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 33.8MB in the beginning and 42.2MB in the end (delta: -8.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.39ms. Allocated memory is still 73.4MB. Free memory was 41.9MB in the beginning and 54.0MB in the end (delta: -12.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.88ms. Allocated memory is still 73.4MB. Free memory was 54.0MB in the beginning and 50.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2828.29ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 50.3MB in the beginning and 64.3MB in the end (delta: -14.0MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * TraceAbstraction took 37514.69ms. Allocated memory was 90.2MB in the beginning and 237.0MB in the end (delta: 146.8MB). Free memory was 63.7MB in the beginning and 46.9MB in the end (delta: 16.7MB). Peak memory consumption was 177.7MB. Max. memory is 16.1GB. * Witness Printer took 103.87ms. Allocated memory is still 237.0MB. Free memory was 46.9MB in the beginning and 148.8MB in the end (delta: -101.9MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset * 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: 536]: 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 8 procedures, 172 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 37.4s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 17.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 1697 SdHoareTripleChecker+Valid, 16.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1668 mSDsluCounter, 5854 SdHoareTripleChecker+Invalid, 16.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4008 mSDsCounter, 1001 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2765 IncrementalHoareTripleChecker+Invalid, 3773 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1001 mSolverCounterUnsat, 1846 mSDtfsCounter, 2765 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 641 GetRequests, 571 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=595occurred in iteration=6, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 53 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 1913 PreInvPairs, 2957 NumberOfFragments, 2178 HoareAnnotationTreeSize, 1913 FomulaSimplifications, 2999 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 56 FomulaSimplificationsInter, 13728 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 10.8s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 758 NumberOfCodeBlocks, 748 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 992 ConstructedInterpolants, 0 QuantifiedInterpolants, 2409 SizeOfPredicates, 7 NumberOfNonLiveVariables, 7535 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 518/543 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: 759]: Loop Invariant [2021-12-28 01:40:34,795 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset [2021-12-28 01:40:34,795 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset Derived loop invariant: (((__CS_ret % 256 == 0 && __CS_ret_PREEMPTED == 1) && __CS_error == 0) && i <= 1) && __CS_thread[2] == 0 - InvariantResult [Line: 701]: Loop Invariant [2021-12-28 01:40:34,796 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset [2021-12-28 01:40:34,796 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset [2021-12-28 01:40:34,798 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset [2021-12-28 01:40:34,798 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset Derived loop invariant: (((!(__CS_ret_PREEMPTED == 1) || !(\old(__CS_thread)[2] == 0)) || !(\old(__CS_ret) % 256 == 0)) || __CS_thread[2] == 0) && ((!(__CS_ret_PREEMPTED == 1) || !(#fp == 0)) || !(\old(__CS_ret) % 256 == 0)) - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: (!(__CS_ret_PREEMPTED == 1) || (__CS_ret % 256 == 0 && !(#fp == 0))) || !(\old(__CS_ret) % 256 == 0) - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: (!(__CS_ret_PREEMPTED == 1) || !(#fp == 0)) || !(\old(__CS_ret) % 256 == 0) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant [2021-12-28 01:40:34,802 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset [2021-12-28 01:40:34,802 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset Derived loop invariant: ((__CS_ret % 256 == 0 && __CS_ret_PREEMPTED == 1) && __CS_error == 0) && __CS_thread[2] == 0 - InvariantResult [Line: 685]: Loop Invariant [2021-12-28 01:40:34,803 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset [2021-12-28 01:40:34,803 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset [2021-12-28 01:40:34,803 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset [2021-12-28 01:40:34,804 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~__CS_thread~0 : [int]$Pointer$; and expression ~__CS_thread~0.offset Derived loop invariant: ((!(__CS_ret_PREEMPTED == 1) || !(\old(__CS_thread)[2] == 0)) || !(\old(__CS_ret) % 256 == 0)) || __CS_thread[2] == 0 RESULT: Ultimate proved your program to be correct! [2021-12-28 01:40:34,818 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