./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe030_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_5975c813-00af-490c-945e-197181178b41/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5975c813-00af-490c-945e-197181178b41/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5975c813-00af-490c-945e-197181178b41/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5975c813-00af-490c-945e-197181178b41/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe030_tso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5975c813-00af-490c-945e-197181178b41/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5975c813-00af-490c-945e-197181178b41/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 4d9b4e00b73fabdf19b43e98c5244793e7e12202 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 03:53:44,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:53:44,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:53:44,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:53:44,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:53:44,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:53:44,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:53:44,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:53:44,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:53:44,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:53:44,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:53:44,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:53:44,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:53:44,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:53:44,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:53:44,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:53:44,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:53:44,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:53:44,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:53:44,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:53:44,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:53:44,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:53:44,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:53:44,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:53:44,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:53:44,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:53:44,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:53:44,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:53:44,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:53:44,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:53:44,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:53:44,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:53:44,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:53:44,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:53:44,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:53:44,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:53:44,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:53:44,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:53:44,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:53:44,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:53:44,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:53:44,095 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5975c813-00af-490c-945e-197181178b41/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 03:53:44,119 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:53:44,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:53:44,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:53:44,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:53:44,121 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:53:44,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:53:44,121 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:53:44,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:53:44,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:53:44,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:53:44,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:53:44,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:53:44,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:53:44,122 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:53:44,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:53:44,122 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:53:44,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:53:44,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:53:44,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:53:44,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:53:44,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 03:53:44,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 03:53:44,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:53:44,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:53:44,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:53:44,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:53:44,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 03:53:44,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:53:44,125 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_5975c813-00af-490c-945e-197181178b41/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 -> 4d9b4e00b73fabdf19b43e98c5244793e7e12202 [2019-11-20 03:53:44,303 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:53:44,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:53:44,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:53:44,323 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:53:44,323 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:53:44,325 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5975c813-00af-490c-945e-197181178b41/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe030_tso.opt.i [2019-11-20 03:53:44,382 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5975c813-00af-490c-945e-197181178b41/bin/uautomizer/data/43fc7fc16/5be4fb90347446bc8b23e8dd80e8311e/FLAGcf030e660 [2019-11-20 03:53:44,874 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:53:44,877 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5975c813-00af-490c-945e-197181178b41/sv-benchmarks/c/pthread-wmm/safe030_tso.opt.i [2019-11-20 03:53:44,898 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5975c813-00af-490c-945e-197181178b41/bin/uautomizer/data/43fc7fc16/5be4fb90347446bc8b23e8dd80e8311e/FLAGcf030e660 [2019-11-20 03:53:45,182 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5975c813-00af-490c-945e-197181178b41/bin/uautomizer/data/43fc7fc16/5be4fb90347446bc8b23e8dd80e8311e [2019-11-20 03:53:45,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:53:45,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:53:45,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:53:45,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:53:45,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:53:45,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:53:45" (1/1) ... [2019-11-20 03:53:45,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47429033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:45, skipping insertion in model container [2019-11-20 03:53:45,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:53:45" (1/1) ... [2019-11-20 03:53:45,199 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:53:45,237 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:53:45,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:53:45,671 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:53:45,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:53:45,792 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:53:45,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:45 WrapperNode [2019-11-20 03:53:45,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:53:45,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:53:45,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:53:45,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:53:45,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:45" (1/1) ... [2019-11-20 03:53:45,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:45" (1/1) ... [2019-11-20 03:53:45,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:53:45,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:53:45,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:53:45,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:53:45,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:45" (1/1) ... [2019-11-20 03:53:45,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:45" (1/1) ... [2019-11-20 03:53:45,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:45" (1/1) ... [2019-11-20 03:53:45,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:45" (1/1) ... [2019-11-20 03:53:45,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:45" (1/1) ... [2019-11-20 03:53:45,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:45" (1/1) ... [2019-11-20 03:53:45,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:45" (1/1) ... [2019-11-20 03:53:45,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:53:45,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:53:45,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:53:45,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:53:45,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5975c813-00af-490c-945e-197181178b41/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 03:53:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 03:53:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-20 03:53:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:53:45,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 03:53:45,939 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-20 03:53:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-20 03:53:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-20 03:53:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-20 03:53:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-20 03:53:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-20 03:53:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-20 03:53:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:53:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:53:45,943 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 03:53:46,321 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:53:46,321 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 03:53:46,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:53:46 BoogieIcfgContainer [2019-11-20 03:53:46,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:53:46,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 03:53:46,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 03:53:46,326 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 03:53:46,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:53:45" (1/3) ... [2019-11-20 03:53:46,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a901285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:53:46, skipping insertion in model container [2019-11-20 03:53:46,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:45" (2/3) ... [2019-11-20 03:53:46,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a901285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:53:46, skipping insertion in model container [2019-11-20 03:53:46,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:53:46" (3/3) ... [2019-11-20 03:53:46,330 INFO L109 eAbstractionObserver]: Analyzing ICFG safe030_tso.opt.i [2019-11-20 03:53:46,379 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,379 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,380 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,380 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,380 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,380 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,381 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,381 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,381 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,381 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,382 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,382 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,382 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork6_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,382 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork6_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,383 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork6_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,383 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork6_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,383 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork6_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,383 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork6_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,384 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,384 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,384 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,384 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,385 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,385 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,385 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,385 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,385 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,386 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,386 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,386 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,386 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork7_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,387 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork7_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,387 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork7_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,387 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork7_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,387 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork7_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,388 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork7_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,388 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork8_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,388 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork8_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,388 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork8_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,388 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork8_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,389 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork8_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,389 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork8_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,389 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,390 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,390 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,390 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,390 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,390 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,391 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,391 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,391 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,391 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,392 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,392 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 03:53:46,418 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-20 03:53:46,419 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 03:53:46,425 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 03:53:46,435 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 03:53:46,453 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 03:53:46,453 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 03:53:46,453 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 03:53:46,453 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:53:46,453 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:53:46,453 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 03:53:46,453 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:53:46,454 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 03:53:46,464 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 94 places, 73 transitions [2019-11-20 03:53:50,084 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 31742 states. [2019-11-20 03:53:50,086 INFO L276 IsEmpty]: Start isEmpty. Operand 31742 states. [2019-11-20 03:53:50,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 03:53:50,144 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:53:50,145 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] [2019-11-20 03:53:50,146 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:53:50,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:53:50,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1271650482, now seen corresponding path program 1 times [2019-11-20 03:53:50,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:53:50,159 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48322559] [2019-11-20 03:53:50,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:53:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:53:50,437 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 03:53:50,438 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48322559] [2019-11-20 03:53:50,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:53:50,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 03:53:50,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726207428] [2019-11-20 03:53:50,444 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 03:53:50,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:53:50,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 03:53:50,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 03:53:50,459 INFO L87 Difference]: Start difference. First operand 31742 states. Second operand 4 states. [2019-11-20 03:53:50,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:53:50,959 INFO L93 Difference]: Finished difference Result 33011 states and 103291 transitions. [2019-11-20 03:53:50,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 03:53:50,961 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-11-20 03:53:50,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:53:51,289 INFO L225 Difference]: With dead ends: 33011 [2019-11-20 03:53:51,289 INFO L226 Difference]: Without dead ends: 14273 [2019-11-20 03:53:51,290 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 03:53:51,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14273 states. [2019-11-20 03:53:51,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14273 to 14273. [2019-11-20 03:53:51,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14273 states. [2019-11-20 03:53:52,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14273 states to 14273 states and 44296 transitions. [2019-11-20 03:53:52,005 INFO L78 Accepts]: Start accepts. Automaton has 14273 states and 44296 transitions. Word has length 29 [2019-11-20 03:53:52,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:53:52,006 INFO L462 AbstractCegarLoop]: Abstraction has 14273 states and 44296 transitions. [2019-11-20 03:53:52,006 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 03:53:52,007 INFO L276 IsEmpty]: Start isEmpty. Operand 14273 states and 44296 transitions. [2019-11-20 03:53:52,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 03:53:52,031 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:53:52,031 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 03:53:52,032 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:53:52,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:53:52,032 INFO L82 PathProgramCache]: Analyzing trace with hash -608781649, now seen corresponding path program 1 times [2019-11-20 03:53:52,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:53:52,033 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598115673] [2019-11-20 03:53:52,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:53:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:53:52,134 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 03:53:52,135 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598115673] [2019-11-20 03:53:52,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:53:52,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 03:53:52,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356607168] [2019-11-20 03:53:52,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 03:53:52,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:53:52,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 03:53:52,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 03:53:52,138 INFO L87 Difference]: Start difference. First operand 14273 states and 44296 transitions. Second operand 5 states. [2019-11-20 03:53:52,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:53:52,343 INFO L93 Difference]: Finished difference Result 14273 states and 42109 transitions. [2019-11-20 03:53:52,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 03:53:52,344 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-20 03:53:52,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:53:52,397 INFO L225 Difference]: With dead ends: 14273 [2019-11-20 03:53:52,397 INFO L226 Difference]: Without dead ends: 12572 [2019-11-20 03:53:52,398 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 03:53:52,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12572 states. [2019-11-20 03:53:52,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12572 to 12572. [2019-11-20 03:53:52,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12572 states. [2019-11-20 03:53:52,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12572 states to 12572 states and 38059 transitions. [2019-11-20 03:53:52,778 INFO L78 Accepts]: Start accepts. Automaton has 12572 states and 38059 transitions. Word has length 30 [2019-11-20 03:53:52,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:53:52,779 INFO L462 AbstractCegarLoop]: Abstraction has 12572 states and 38059 transitions. [2019-11-20 03:53:52,779 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 03:53:52,779 INFO L276 IsEmpty]: Start isEmpty. Operand 12572 states and 38059 transitions. [2019-11-20 03:53:52,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 03:53:52,802 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:53:52,802 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 03:53:52,803 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:53:52,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:53:52,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1758115039, now seen corresponding path program 1 times [2019-11-20 03:53:52,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:53:52,804 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738991866] [2019-11-20 03:53:52,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:53:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:53:52,971 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 03:53:52,971 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738991866] [2019-11-20 03:53:52,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:53:52,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 03:53:52,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481397880] [2019-11-20 03:53:52,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 03:53:52,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:53:52,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 03:53:52,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-20 03:53:52,973 INFO L87 Difference]: Start difference. First operand 12572 states and 38059 transitions. Second operand 6 states. [2019-11-20 03:53:53,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:53:53,155 INFO L93 Difference]: Finished difference Result 8927 states and 24937 transitions. [2019-11-20 03:53:53,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 03:53:53,155 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-20 03:53:53,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:53:53,175 INFO L225 Difference]: With dead ends: 8927 [2019-11-20 03:53:53,175 INFO L226 Difference]: Without dead ends: 7469 [2019-11-20 03:53:53,175 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 03:53:53,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7469 states. [2019-11-20 03:53:53,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7469 to 7469. [2019-11-20 03:53:53,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7469 states. [2019-11-20 03:53:53,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7469 states to 7469 states and 21049 transitions. [2019-11-20 03:53:53,545 INFO L78 Accepts]: Start accepts. Automaton has 7469 states and 21049 transitions. Word has length 31 [2019-11-20 03:53:53,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:53:53,545 INFO L462 AbstractCegarLoop]: Abstraction has 7469 states and 21049 transitions. [2019-11-20 03:53:53,546 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 03:53:53,546 INFO L276 IsEmpty]: Start isEmpty. Operand 7469 states and 21049 transitions. [2019-11-20 03:53:53,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 03:53:53,556 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:53:53,556 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 03:53:53,557 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:53:53,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:53:53,557 INFO L82 PathProgramCache]: Analyzing trace with hash -972023132, now seen corresponding path program 1 times [2019-11-20 03:53:53,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:53:53,558 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009744371] [2019-11-20 03:53:53,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:53:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:53:53,694 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 03:53:53,695 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009744371] [2019-11-20 03:53:53,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:53:53,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 03:53:53,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321518978] [2019-11-20 03:53:53,696 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 03:53:53,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:53:53,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 03:53:53,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 03:53:53,696 INFO L87 Difference]: Start difference. First operand 7469 states and 21049 transitions. Second operand 6 states. [2019-11-20 03:53:53,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:53:53,840 INFO L93 Difference]: Finished difference Result 12410 states and 34927 transitions. [2019-11-20 03:53:53,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 03:53:53,840 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-20 03:53:53,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:53:53,858 INFO L225 Difference]: With dead ends: 12410 [2019-11-20 03:53:53,858 INFO L226 Difference]: Without dead ends: 7037 [2019-11-20 03:53:53,858 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 03:53:53,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7037 states. [2019-11-20 03:53:53,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7037 to 7037. [2019-11-20 03:53:53,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7037 states. [2019-11-20 03:53:53,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7037 states to 7037 states and 19780 transitions. [2019-11-20 03:53:53,997 INFO L78 Accepts]: Start accepts. Automaton has 7037 states and 19780 transitions. Word has length 32 [2019-11-20 03:53:53,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:53:53,998 INFO L462 AbstractCegarLoop]: Abstraction has 7037 states and 19780 transitions. [2019-11-20 03:53:53,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 03:53:53,998 INFO L276 IsEmpty]: Start isEmpty. Operand 7037 states and 19780 transitions. [2019-11-20 03:53:54,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 03:53:54,007 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:53:54,007 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 03:53:54,007 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:53:54,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:53:54,008 INFO L82 PathProgramCache]: Analyzing trace with hash 228172732, now seen corresponding path program 2 times [2019-11-20 03:53:54,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:53:54,008 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569231478] [2019-11-20 03:53:54,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:53:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:53:54,092 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 03:53:54,093 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569231478] [2019-11-20 03:53:54,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:53:54,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 03:53:54,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505907504] [2019-11-20 03:53:54,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 03:53:54,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:53:54,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 03:53:54,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 03:53:54,094 INFO L87 Difference]: Start difference. First operand 7037 states and 19780 transitions. Second operand 6 states. [2019-11-20 03:53:54,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:53:54,218 INFO L93 Difference]: Finished difference Result 11411 states and 32173 transitions. [2019-11-20 03:53:54,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 03:53:54,225 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-20 03:53:54,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:53:54,244 INFO L225 Difference]: With dead ends: 11411 [2019-11-20 03:53:54,244 INFO L226 Difference]: Without dead ends: 6713 [2019-11-20 03:53:54,245 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-20 03:53:54,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6713 states. [2019-11-20 03:53:54,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6713 to 6713. [2019-11-20 03:53:54,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6713 states. [2019-11-20 03:53:54,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6713 states to 6713 states and 18970 transitions. [2019-11-20 03:53:54,384 INFO L78 Accepts]: Start accepts. Automaton has 6713 states and 18970 transitions. Word has length 32 [2019-11-20 03:53:54,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:53:54,385 INFO L462 AbstractCegarLoop]: Abstraction has 6713 states and 18970 transitions. [2019-11-20 03:53:54,385 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 03:53:54,385 INFO L276 IsEmpty]: Start isEmpty. Operand 6713 states and 18970 transitions. [2019-11-20 03:53:54,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 03:53:54,392 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:53:54,393 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 03:53:54,393 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:53:54,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:53:54,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1822451896, now seen corresponding path program 3 times [2019-11-20 03:53:54,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:53:54,394 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25299542] [2019-11-20 03:53:54,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:53:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:53:54,531 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 03:53:54,531 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25299542] [2019-11-20 03:53:54,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:53:54,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 03:53:54,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691586911] [2019-11-20 03:53:54,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 03:53:54,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:53:54,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 03:53:54,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 03:53:54,533 INFO L87 Difference]: Start difference. First operand 6713 states and 18970 transitions. Second operand 6 states. [2019-11-20 03:53:54,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:53:54,628 INFO L93 Difference]: Finished difference Result 5255 states and 14596 transitions. [2019-11-20 03:53:54,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 03:53:54,629 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-20 03:53:54,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:53:54,630 INFO L225 Difference]: With dead ends: 5255 [2019-11-20 03:53:54,631 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 03:53:54,631 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 03:53:54,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 03:53:54,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 03:53:54,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 03:53:54,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 03:53:54,632 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-11-20 03:53:54,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:53:54,632 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:53:54,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 03:53:54,633 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 03:53:54,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 03:53:54,635 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-20 03:53:54,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 03:53:54 BasicIcfg [2019-11-20 03:53:54,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 03:53:54,638 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:53:54,638 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:53:54,638 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:53:54,639 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:53:46" (3/4) ... [2019-11-20 03:53:54,642 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 03:53:54,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-20 03:53:54,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-20 03:53:54,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-20 03:53:54,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 03:53:54,676 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 03:53:54,676 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 03:53:54,722 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5975c813-00af-490c-945e-197181178b41/bin/uautomizer/witness.graphml [2019-11-20 03:53:54,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:53:54,724 INFO L168 Benchmark]: Toolchain (without parser) took 9538.15 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 683.1 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 497.8 MB. Max. memory is 11.5 GB. [2019-11-20 03:53:54,725 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:53:54,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-20 03:53:54,726 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.24 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 03:53:54,726 INFO L168 Benchmark]: Boogie Preprocessor took 24.50 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 03:53:54,731 INFO L168 Benchmark]: RCFGBuilder took 460.89 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: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:53:54,731 INFO L168 Benchmark]: TraceAbstraction took 8314.48 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 528.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -50.4 MB). Peak memory consumption was 477.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:53:54,732 INFO L168 Benchmark]: Witness Printer took 84.75 ms. Allocated memory is still 1.7 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. [2019-11-20 03:53:54,733 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 606.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.24 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 24.50 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 460.89 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: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8314.48 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 528.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -50.4 MB). Peak memory consumption was 477.6 MB. Max. memory is 11.5 GB. * Witness Printer took 84.75 ms. Allocated memory is still 1.7 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 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, 88 locations, 1 error locations. Result: SAFE, OverallTime: 8.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 566 SDtfs, 694 SDslu, 1320 SDs, 0 SdLazy, 152 SolverSat, 101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31742occurred 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: 1.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 13110 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...