./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe009_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cdd53979-b3d1-4b5f-bf9e-7bfc80f99e12/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cdd53979-b3d1-4b5f-bf9e-7bfc80f99e12/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cdd53979-b3d1-4b5f-bf9e-7bfc80f99e12/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cdd53979-b3d1-4b5f-bf9e-7bfc80f99e12/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe009_tso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cdd53979-b3d1-4b5f-bf9e-7bfc80f99e12/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cdd53979-b3d1-4b5f-bf9e-7bfc80f99e12/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fb8104bcaa22269f5bd255be46e114449e1a0279 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:10:00,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:10:00,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:10:00,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:10:00,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:10:00,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:10:00,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:10:00,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:10:00,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:10:00,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:10:00,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:10:00,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:10:00,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:10:00,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:10:00,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:10:00,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:10:00,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:10:00,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:10:00,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:10:00,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:10:00,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:10:00,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:10:00,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:10:00,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:10:00,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:10:00,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:10:00,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:10:00,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:10:00,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:10:00,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:10:00,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:10:00,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:10:00,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:10:00,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:10:00,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:10:00,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:10:00,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:10:00,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:10:00,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:10:00,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:10:00,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:10:00,353 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cdd53979-b3d1-4b5f-bf9e-7bfc80f99e12/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 02:10:00,378 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:10:00,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:10:00,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:10:00,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:10:00,379 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:10:00,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:10:00,379 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:10:00,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:10:00,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:10:00,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:10:00,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:10:00,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:10:00,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:10:00,392 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:10:00,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:10:00,392 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:10:00,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:10:00,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:10:00,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:10:00,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:10:00,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 02:10:00,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:10:00,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:10:00,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:10:00,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:10:00,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:10:00,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:10:00,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:10:00,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_cdd53979-b3d1-4b5f-bf9e-7bfc80f99e12/bin/uautomizer 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(__VERIFIER_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 -> fb8104bcaa22269f5bd255be46e114449e1a0279 [2019-11-20 02:10:00,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:10:00,550 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:10:00,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:10:00,554 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:10:00,554 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:10:00,555 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cdd53979-b3d1-4b5f-bf9e-7bfc80f99e12/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe009_tso.opt.i [2019-11-20 02:10:00,605 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cdd53979-b3d1-4b5f-bf9e-7bfc80f99e12/bin/uautomizer/data/9e6c4b1d1/ae2cba3160ea4e19874eac1371449735/FLAG2c57715ac [2019-11-20 02:10:01,087 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:10:01,088 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cdd53979-b3d1-4b5f-bf9e-7bfc80f99e12/sv-benchmarks/c/pthread-wmm/safe009_tso.opt.i [2019-11-20 02:10:01,104 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cdd53979-b3d1-4b5f-bf9e-7bfc80f99e12/bin/uautomizer/data/9e6c4b1d1/ae2cba3160ea4e19874eac1371449735/FLAG2c57715ac [2019-11-20 02:10:01,117 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cdd53979-b3d1-4b5f-bf9e-7bfc80f99e12/bin/uautomizer/data/9e6c4b1d1/ae2cba3160ea4e19874eac1371449735 [2019-11-20 02:10:01,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:10:01,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:10:01,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:10:01,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:10:01,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:10:01,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:10:01" (1/1) ... [2019-11-20 02:10:01,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca9f7dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:01, skipping insertion in model container [2019-11-20 02:10:01,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:10:01" (1/1) ... [2019-11-20 02:10:01,135 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:10:01,192 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:10:01,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:10:01,583 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:10:01,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:10:01,684 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:10:01,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:01 WrapperNode [2019-11-20 02:10:01,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:10:01,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:10:01,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:10:01,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:10:01,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:01" (1/1) ... [2019-11-20 02:10:01,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:01" (1/1) ... [2019-11-20 02:10:01,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:10:01,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:10:01,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:10:01,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:10:01,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:01" (1/1) ... [2019-11-20 02:10:01,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:01" (1/1) ... [2019-11-20 02:10:01,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:01" (1/1) ... [2019-11-20 02:10:01,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:01" (1/1) ... [2019-11-20 02:10:01,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:01" (1/1) ... [2019-11-20 02:10:01,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:01" (1/1) ... [2019-11-20 02:10:01,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:01" (1/1) ... [2019-11-20 02:10:01,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:10:01,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:10:01,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:10:01,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:10:01,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdd53979-b3d1-4b5f-bf9e-7bfc80f99e12/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:10:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 02:10:01,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-20 02:10:01,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:10:01,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 02:10:01,820 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-20 02:10:01,820 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-20 02:10:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-20 02:10:01,821 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-20 02:10:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-20 02:10:01,821 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-20 02:10:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-20 02:10:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:10:01,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:10:01,823 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-20 02:10:02,182 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:10:02,182 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 02:10:02,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:10:02 BoogieIcfgContainer [2019-11-20 02:10:02,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:10:02,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 02:10:02,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 02:10:02,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 02:10:02,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:10:01" (1/3) ... [2019-11-20 02:10:02,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c8cdb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:10:02, skipping insertion in model container [2019-11-20 02:10:02,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:01" (2/3) ... [2019-11-20 02:10:02,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c8cdb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:10:02, skipping insertion in model container [2019-11-20 02:10:02,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:10:02" (3/3) ... [2019-11-20 02:10:02,190 INFO L109 eAbstractionObserver]: Analyzing ICFG safe009_tso.opt.i [2019-11-20 02:10:02,254 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,254 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,254 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,255 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,255 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,255 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,255 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,255 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,256 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,256 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,256 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,256 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,256 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,257 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,257 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,257 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,257 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,257 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,257 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,258 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,258 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,258 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,258 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,258 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,258 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,259 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,259 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,259 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,259 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,259 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,259 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,260 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,260 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,260 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,260 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,260 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,261 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,261 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,261 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,261 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,261 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,262 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,262 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,262 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,262 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,262 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,263 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,263 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,263 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,263 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,263 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,263 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,264 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,264 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 02:10:02,284 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-20 02:10:02,284 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 02:10:02,290 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 02:10:02,301 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 02:10:02,323 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 02:10:02,324 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 02:10:02,324 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 02:10:02,324 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:10:02,324 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:10:02,324 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 02:10:02,324 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:10:02,324 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 02:10:02,341 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 74 transitions [2019-11-20 02:10:05,787 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 31743 states. [2019-11-20 02:10:05,789 INFO L276 IsEmpty]: Start isEmpty. Operand 31743 states. [2019-11-20 02:10:05,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 02:10:05,846 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:10:05,847 INFO L410 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] [2019-11-20 02:10:05,848 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:10:05,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:10:05,854 INFO L82 PathProgramCache]: Analyzing trace with hash -588598505, now seen corresponding path program 1 times [2019-11-20 02:10:05,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:10:05,863 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101075425] [2019-11-20 02:10:05,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:10:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:06,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:10:06,153 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101075425] [2019-11-20 02:10:06,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:10:06,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 02:10:06,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684326209] [2019-11-20 02:10:06,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 02:10:06,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:10:06,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 02:10:06,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 02:10:06,175 INFO L87 Difference]: Start difference. First operand 31743 states. Second operand 4 states. [2019-11-20 02:10:06,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:10:06,811 INFO L93 Difference]: Finished difference Result 33012 states and 103292 transitions. [2019-11-20 02:10:06,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 02:10:06,813 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-11-20 02:10:06,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:10:06,961 INFO L225 Difference]: With dead ends: 33012 [2019-11-20 02:10:06,962 INFO L226 Difference]: Without dead ends: 14274 [2019-11-20 02:10:06,968 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:10:07,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14274 states. [2019-11-20 02:10:07,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14274 to 14274. [2019-11-20 02:10:07,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14274 states. [2019-11-20 02:10:07,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14274 states to 14274 states and 44297 transitions. [2019-11-20 02:10:07,689 INFO L78 Accepts]: Start accepts. Automaton has 14274 states and 44297 transitions. Word has length 30 [2019-11-20 02:10:07,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:10:07,693 INFO L462 AbstractCegarLoop]: Abstraction has 14274 states and 44297 transitions. [2019-11-20 02:10:07,693 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 02:10:07,693 INFO L276 IsEmpty]: Start isEmpty. Operand 14274 states and 44297 transitions. [2019-11-20 02:10:07,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 02:10:07,723 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:10:07,723 INFO L410 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] [2019-11-20 02:10:07,723 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:10:07,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:10:07,724 INFO L82 PathProgramCache]: Analyzing trace with hash 684833666, now seen corresponding path program 1 times [2019-11-20 02:10:07,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:10:07,725 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359298784] [2019-11-20 02:10:07,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:10:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:07,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:10:07,883 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359298784] [2019-11-20 02:10:07,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:10:07,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 02:10:07,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437010747] [2019-11-20 02:10:07,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 02:10:07,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:10:07,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 02:10:07,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:10:07,886 INFO L87 Difference]: Start difference. First operand 14274 states and 44297 transitions. Second operand 5 states. [2019-11-20 02:10:08,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:10:08,109 INFO L93 Difference]: Finished difference Result 14274 states and 42110 transitions. [2019-11-20 02:10:08,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 02:10:08,110 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-20 02:10:08,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:10:08,170 INFO L225 Difference]: With dead ends: 14274 [2019-11-20 02:10:08,170 INFO L226 Difference]: Without dead ends: 12573 [2019-11-20 02:10:08,171 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-20 02:10:08,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12573 states. [2019-11-20 02:10:08,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12573 to 12573. [2019-11-20 02:10:08,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12573 states. [2019-11-20 02:10:08,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12573 states to 12573 states and 38060 transitions. [2019-11-20 02:10:08,597 INFO L78 Accepts]: Start accepts. Automaton has 12573 states and 38060 transitions. Word has length 31 [2019-11-20 02:10:08,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:10:08,598 INFO L462 AbstractCegarLoop]: Abstraction has 12573 states and 38060 transitions. [2019-11-20 02:10:08,598 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 02:10:08,598 INFO L276 IsEmpty]: Start isEmpty. Operand 12573 states and 38060 transitions. [2019-11-20 02:10:08,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 02:10:08,626 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:10:08,626 INFO L410 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] [2019-11-20 02:10:08,626 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:10:08,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:10:08,627 INFO L82 PathProgramCache]: Analyzing trace with hash 255530187, now seen corresponding path program 1 times [2019-11-20 02:10:08,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:10:08,628 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246581924] [2019-11-20 02:10:08,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:10:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:08,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:10:08,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246581924] [2019-11-20 02:10:08,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:10:08,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 02:10:08,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421058827] [2019-11-20 02:10:08,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 02:10:08,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:10:08,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 02:10:08,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-20 02:10:08,759 INFO L87 Difference]: Start difference. First operand 12573 states and 38060 transitions. Second operand 6 states. [2019-11-20 02:10:08,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:10:08,970 INFO L93 Difference]: Finished difference Result 8928 states and 24938 transitions. [2019-11-20 02:10:08,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 02:10:08,970 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-20 02:10:08,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:10:09,002 INFO L225 Difference]: With dead ends: 8928 [2019-11-20 02:10:09,002 INFO L226 Difference]: Without dead ends: 7470 [2019-11-20 02:10:09,003 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-20 02:10:09,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7470 states. [2019-11-20 02:10:09,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7470 to 7470. [2019-11-20 02:10:09,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7470 states. [2019-11-20 02:10:09,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7470 states to 7470 states and 21050 transitions. [2019-11-20 02:10:09,423 INFO L78 Accepts]: Start accepts. Automaton has 7470 states and 21050 transitions. Word has length 32 [2019-11-20 02:10:09,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:10:09,424 INFO L462 AbstractCegarLoop]: Abstraction has 7470 states and 21050 transitions. [2019-11-20 02:10:09,424 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 02:10:09,424 INFO L276 IsEmpty]: Start isEmpty. Operand 7470 states and 21050 transitions. [2019-11-20 02:10:09,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 02:10:09,436 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:10:09,437 INFO L410 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] [2019-11-20 02:10:09,438 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:10:09,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:10:09,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1473790732, now seen corresponding path program 1 times [2019-11-20 02:10:09,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:10:09,439 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082048658] [2019-11-20 02:10:09,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:10:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:10:09,596 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082048658] [2019-11-20 02:10:09,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:10:09,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 02:10:09,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561169865] [2019-11-20 02:10:09,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 02:10:09,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:10:09,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 02:10:09,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-20 02:10:09,597 INFO L87 Difference]: Start difference. First operand 7470 states and 21050 transitions. Second operand 7 states. [2019-11-20 02:10:09,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:10:09,789 INFO L93 Difference]: Finished difference Result 12411 states and 34928 transitions. [2019-11-20 02:10:09,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 02:10:09,789 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-20 02:10:09,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:10:09,813 INFO L225 Difference]: With dead ends: 12411 [2019-11-20 02:10:09,813 INFO L226 Difference]: Without dead ends: 7038 [2019-11-20 02:10:09,815 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-20 02:10:09,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7038 states. [2019-11-20 02:10:09,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7038 to 7038. [2019-11-20 02:10:09,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7038 states. [2019-11-20 02:10:09,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7038 states to 7038 states and 19781 transitions. [2019-11-20 02:10:09,983 INFO L78 Accepts]: Start accepts. Automaton has 7038 states and 19781 transitions. Word has length 33 [2019-11-20 02:10:09,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:10:09,984 INFO L462 AbstractCegarLoop]: Abstraction has 7038 states and 19781 transitions. [2019-11-20 02:10:09,984 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 02:10:09,984 INFO L276 IsEmpty]: Start isEmpty. Operand 7038 states and 19781 transitions. [2019-11-20 02:10:09,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 02:10:09,995 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:10:09,995 INFO L410 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] [2019-11-20 02:10:09,996 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:10:09,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:10:09,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1047884944, now seen corresponding path program 2 times [2019-11-20 02:10:09,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:10:09,996 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624515604] [2019-11-20 02:10:09,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:10:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:10,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:10:10,143 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624515604] [2019-11-20 02:10:10,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:10:10,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 02:10:10,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601921484] [2019-11-20 02:10:10,144 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 02:10:10,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:10:10,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 02:10:10,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 02:10:10,145 INFO L87 Difference]: Start difference. First operand 7038 states and 19781 transitions. Second operand 6 states. [2019-11-20 02:10:10,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:10:10,337 INFO L93 Difference]: Finished difference Result 11412 states and 32174 transitions. [2019-11-20 02:10:10,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 02:10:10,338 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-20 02:10:10,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:10:10,370 INFO L225 Difference]: With dead ends: 11412 [2019-11-20 02:10:10,370 INFO L226 Difference]: Without dead ends: 6714 [2019-11-20 02:10:10,370 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-20 02:10:10,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6714 states. [2019-11-20 02:10:10,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6714 to 6714. [2019-11-20 02:10:10,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6714 states. [2019-11-20 02:10:10,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6714 states to 6714 states and 18971 transitions. [2019-11-20 02:10:10,550 INFO L78 Accepts]: Start accepts. Automaton has 6714 states and 18971 transitions. Word has length 33 [2019-11-20 02:10:10,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:10:10,550 INFO L462 AbstractCegarLoop]: Abstraction has 6714 states and 18971 transitions. [2019-11-20 02:10:10,550 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 02:10:10,550 INFO L276 IsEmpty]: Start isEmpty. Operand 6714 states and 18971 transitions. [2019-11-20 02:10:10,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 02:10:10,560 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:10:10,560 INFO L410 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] [2019-11-20 02:10:10,560 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:10:10,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:10:10,561 INFO L82 PathProgramCache]: Analyzing trace with hash -326546500, now seen corresponding path program 3 times [2019-11-20 02:10:10,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:10:10,561 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590743105] [2019-11-20 02:10:10,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:10:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:10,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:10:10,698 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590743105] [2019-11-20 02:10:10,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:10:10,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-20 02:10:10,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031149496] [2019-11-20 02:10:10,699 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 02:10:10,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:10:10,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 02:10:10,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-20 02:10:10,699 INFO L87 Difference]: Start difference. First operand 6714 states and 18971 transitions. Second operand 8 states. [2019-11-20 02:10:10,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:10:10,830 INFO L93 Difference]: Finished difference Result 5256 states and 14597 transitions. [2019-11-20 02:10:10,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 02:10:10,830 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-11-20 02:10:10,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:10:10,831 INFO L225 Difference]: With dead ends: 5256 [2019-11-20 02:10:10,831 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 02:10:10,831 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2019-11-20 02:10:10,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 02:10:10,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 02:10:10,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 02:10:10,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 02:10:10,832 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-20 02:10:10,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:10:10,833 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:10:10,833 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 02:10:10,833 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 02:10:10,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:10:10,836 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-20 02:10:10,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:10:10 BasicIcfg [2019-11-20 02:10:10,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 02:10:10,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:10:10,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:10:10,839 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:10:10,839 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:10:02" (3/4) ... [2019-11-20 02:10:10,843 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:10:10,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-20 02:10:10,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-20 02:10:10,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-20 02:10:10,854 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 02:10:10,854 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 02:10:10,854 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 02:10:10,893 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cdd53979-b3d1-4b5f-bf9e-7bfc80f99e12/bin/uautomizer/witness.graphml [2019-11-20 02:10:10,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:10:10,895 INFO L168 Benchmark]: Toolchain (without parser) took 9774.14 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 458.2 MB). Free memory was 939.3 MB in the beginning and 932.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 465.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:10:10,895 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:10:10,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:10:10,896 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:10:10,896 INFO L168 Benchmark]: Boogie Preprocessor took 25.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:10:10,897 INFO L168 Benchmark]: RCFGBuilder took 424.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:10:10,897 INFO L168 Benchmark]: TraceAbstraction took 8653.50 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 327.7 MB). Free memory was 1.1 GB in the beginning and 946.7 MB in the end (delta: 122.6 MB). Peak memory consumption was 450.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:10:10,898 INFO L168 Benchmark]: Witness Printer took 54.81 ms. Allocated memory is still 1.5 GB. Free memory was 946.7 MB in the beginning and 932.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-11-20 02:10:10,900 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 564.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 424.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8653.50 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 327.7 MB). Free memory was 1.1 GB in the beginning and 946.7 MB in the end (delta: 122.6 MB). Peak memory consumption was 450.3 MB. Max. memory is 11.5 GB. * Witness Printer took 54.81 ms. Allocated memory is still 1.5 GB. Free memory was 946.7 MB in the beginning and 932.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 89 locations, 1 error locations. Result: SAFE, OverallTime: 8.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 524 SDtfs, 811 SDslu, 1334 SDs, 0 SdLazy, 188 SolverSat, 105 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31743occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 16666 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...