./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/19_time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7979d1b7-bc02-4198-864b-2a2e524c478b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7979d1b7-bc02-4198-864b-2a2e524c478b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7979d1b7-bc02-4198-864b-2a2e524c478b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7979d1b7-bc02-4198-864b-2a2e524c478b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/19_time_var_mutex.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7979d1b7-bc02-4198-864b-2a2e524c478b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7979d1b7-bc02-4198-864b-2a2e524c478b/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 b6e5b05d1d8a90ddac5eb7cbebfd54f127d9dc56 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:54:33,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:54:33,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:54:33,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:54:33,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:54:33,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:54:33,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:54:33,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:54:33,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:54:33,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:54:33,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:54:33,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:54:33,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:54:33,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:54:33,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:54:33,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:54:33,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:54:33,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:54:33,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:54:33,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:54:33,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:54:33,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:54:33,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:54:33,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:54:33,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:54:33,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:54:33,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:54:33,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:54:33,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:54:33,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:54:33,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:54:33,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:54:33,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:54:33,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:54:33,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:54:33,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:54:33,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:54:33,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:54:33,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:54:33,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:54:33,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:54:33,996 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7979d1b7-bc02-4198-864b-2a2e524c478b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:54:34,010 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:54:34,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:54:34,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:54:34,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:54:34,012 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:54:34,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:54:34,012 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:54:34,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:54:34,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:54:34,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:54:34,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:54:34,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:54:34,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:54:34,013 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:54:34,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:54:34,014 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:54:34,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:54:34,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:54:34,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:54:34,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:54:34,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:54:34,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:54:34,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:54:34,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:54:34,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:54:34,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:54:34,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:54:34,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:54:34,017 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_7979d1b7-bc02-4198-864b-2a2e524c478b/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 -> b6e5b05d1d8a90ddac5eb7cbebfd54f127d9dc56 [2019-11-25 08:54:34,168 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:54:34,180 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:54:34,183 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:54:34,184 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:54:34,185 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:54:34,186 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7979d1b7-bc02-4198-864b-2a2e524c478b/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/19_time_var_mutex.i [2019-11-25 08:54:34,242 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7979d1b7-bc02-4198-864b-2a2e524c478b/bin/uautomizer/data/06c06cd6f/4b4407905954496eaf3a1f946ea3baca/FLAG079b83464 [2019-11-25 08:54:34,782 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:54:34,787 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7979d1b7-bc02-4198-864b-2a2e524c478b/sv-benchmarks/c/pthread-ext/19_time_var_mutex.i [2019-11-25 08:54:34,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7979d1b7-bc02-4198-864b-2a2e524c478b/bin/uautomizer/data/06c06cd6f/4b4407905954496eaf3a1f946ea3baca/FLAG079b83464 [2019-11-25 08:54:34,988 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7979d1b7-bc02-4198-864b-2a2e524c478b/bin/uautomizer/data/06c06cd6f/4b4407905954496eaf3a1f946ea3baca [2019-11-25 08:54:34,991 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:54:34,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:54:34,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:34,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:54:34,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:54:34,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:34" (1/1) ... [2019-11-25 08:54:35,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c9fa92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:35, skipping insertion in model container [2019-11-25 08:54:35,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:34" (1/1) ... [2019-11-25 08:54:35,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:54:35,072 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:54:35,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:35,625 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:54:35,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:35,766 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:54:35,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:35 WrapperNode [2019-11-25 08:54:35,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:35,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:35,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:54:35,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:54:35,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:35" (1/1) ... [2019-11-25 08:54:35,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:35" (1/1) ... [2019-11-25 08:54:35,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:35,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:54:35,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:54:35,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:54:35,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:35" (1/1) ... [2019-11-25 08:54:35,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:35" (1/1) ... [2019-11-25 08:54:35,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:35" (1/1) ... [2019-11-25 08:54:35,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:35" (1/1) ... [2019-11-25 08:54:35,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:35" (1/1) ... [2019-11-25 08:54:35,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:35" (1/1) ... [2019-11-25 08:54:35,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:35" (1/1) ... [2019-11-25 08:54:35,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:54:35,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:54:35,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:54:35,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:54:35,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7979d1b7-bc02-4198-864b-2a2e524c478b/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 [2019-11-25 08:54:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:54:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-25 08:54:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-25 08:54:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:54:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:54:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:54:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:54:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:54:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:54:35,924 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-25 08:54:36,072 INFO L1493 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-25 08:54:36,073 INFO L1493 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-11-25 08:54:36,074 INFO L1493 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-25 08:54:36,078 INFO L1493 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-11-25 08:54:36,166 INFO L1493 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-25 08:54:36,168 INFO L1493 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-25 08:54:36,260 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:54:36,261 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-25 08:54:36,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:36 BoogieIcfgContainer [2019-11-25 08:54:36,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:54:36,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:54:36,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:54:36,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:54:36,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:54:34" (1/3) ... [2019-11-25 08:54:36,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4625cd98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:54:36, skipping insertion in model container [2019-11-25 08:54:36,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:35" (2/3) ... [2019-11-25 08:54:36,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4625cd98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:54:36, skipping insertion in model container [2019-11-25 08:54:36,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:36" (3/3) ... [2019-11-25 08:54:36,278 INFO L109 eAbstractionObserver]: Analyzing ICFG 19_time_var_mutex.i [2019-11-25 08:54:36,344 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,344 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,344 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,344 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,345 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,345 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,345 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,345 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,345 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,346 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,346 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,346 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,347 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,347 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,347 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,348 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,348 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,348 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,348 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,349 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,349 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,349 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,350 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,350 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,350 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,350 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,351 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,351 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,351 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,352 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,352 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,352 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,352 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,353 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,353 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,353 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,354 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,354 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,354 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,354 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,355 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,355 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,355 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,355 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,355 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,356 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,356 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,357 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,357 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,357 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,357 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,358 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,358 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,359 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,359 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,359 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,359 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,359 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,360 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,360 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,360 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,361 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,361 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,361 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,361 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,361 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,362 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,362 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,362 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,362 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,363 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,363 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,364 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,364 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,364 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,364 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,365 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,365 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:36,378 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 08:54:36,378 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:54:36,386 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-11-25 08:54:36,404 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-11-25 08:54:36,424 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:54:36,424 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:54:36,424 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:54:36,424 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:54:36,424 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:54:36,424 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:54:36,425 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:54:36,425 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:54:36,437 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 77 places, 77 transitions [2019-11-25 08:54:36,477 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 255 states. [2019-11-25 08:54:36,480 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2019-11-25 08:54:36,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-25 08:54:36,488 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:36,489 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] [2019-11-25 08:54:36,490 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:36,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:36,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1989187497, now seen corresponding path program 1 times [2019-11-25 08:54:36,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:36,506 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736101247] [2019-11-25 08:54:36,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:36,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:36,740 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736101247] [2019-11-25 08:54:36,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:36,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:54:36,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980216888] [2019-11-25 08:54:36,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:36,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:36,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:36,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:36,765 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2019-11-25 08:54:36,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:36,814 INFO L93 Difference]: Finished difference Result 255 states and 475 transitions. [2019-11-25 08:54:36,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:36,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-25 08:54:36,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:36,838 INFO L225 Difference]: With dead ends: 255 [2019-11-25 08:54:36,839 INFO L226 Difference]: Without dead ends: 215 [2019-11-25 08:54:36,842 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:36,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2019-11-25 08:54:36,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2019-11-25 08:54:36,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2019-11-25 08:54:36,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 391 transitions. [2019-11-25 08:54:36,906 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 391 transitions. Word has length 20 [2019-11-25 08:54:36,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:36,906 INFO L462 AbstractCegarLoop]: Abstraction has 215 states and 391 transitions. [2019-11-25 08:54:36,906 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:36,906 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 391 transitions. [2019-11-25 08:54:36,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-25 08:54:36,907 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:36,908 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] [2019-11-25 08:54:36,908 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:36,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:36,909 INFO L82 PathProgramCache]: Analyzing trace with hash 319156008, now seen corresponding path program 1 times [2019-11-25 08:54:36,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:36,909 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390351846] [2019-11-25 08:54:36,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:36,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:36,988 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390351846] [2019-11-25 08:54:36,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:36,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:54:36,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949491125] [2019-11-25 08:54:36,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:36,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:36,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:36,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:36,992 INFO L87 Difference]: Start difference. First operand 215 states and 391 transitions. Second operand 3 states. [2019-11-25 08:54:37,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:37,029 INFO L93 Difference]: Finished difference Result 226 states and 392 transitions. [2019-11-25 08:54:37,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:37,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-25 08:54:37,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:37,032 INFO L225 Difference]: With dead ends: 226 [2019-11-25 08:54:37,032 INFO L226 Difference]: Without dead ends: 166 [2019-11-25 08:54:37,033 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:37,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2019-11-25 08:54:37,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 154. [2019-11-25 08:54:37,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-11-25 08:54:37,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 260 transitions. [2019-11-25 08:54:37,058 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 260 transitions. Word has length 22 [2019-11-25 08:54:37,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:37,058 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 260 transitions. [2019-11-25 08:54:37,058 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:37,058 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 260 transitions. [2019-11-25 08:54:37,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-25 08:54:37,060 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:37,060 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] [2019-11-25 08:54:37,060 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:37,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:37,061 INFO L82 PathProgramCache]: Analyzing trace with hash 2068565636, now seen corresponding path program 1 times [2019-11-25 08:54:37,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:37,061 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212404473] [2019-11-25 08:54:37,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:37,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:37,160 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212404473] [2019-11-25 08:54:37,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:37,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:54:37,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552577835] [2019-11-25 08:54:37,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:37,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:37,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:37,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:37,162 INFO L87 Difference]: Start difference. First operand 154 states and 260 transitions. Second operand 3 states. [2019-11-25 08:54:37,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:37,192 INFO L93 Difference]: Finished difference Result 142 states and 230 transitions. [2019-11-25 08:54:37,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:37,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-25 08:54:37,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:37,195 INFO L225 Difference]: With dead ends: 142 [2019-11-25 08:54:37,195 INFO L226 Difference]: Without dead ends: 110 [2019-11-25 08:54:37,195 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:37,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-11-25 08:54:37,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-11-25 08:54:37,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-25 08:54:37,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 171 transitions. [2019-11-25 08:54:37,217 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 171 transitions. Word has length 24 [2019-11-25 08:54:37,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:37,217 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 171 transitions. [2019-11-25 08:54:37,217 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:37,217 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 171 transitions. [2019-11-25 08:54:37,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-25 08:54:37,218 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:37,218 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] [2019-11-25 08:54:37,219 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:37,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:37,219 INFO L82 PathProgramCache]: Analyzing trace with hash 2040455417, now seen corresponding path program 1 times [2019-11-25 08:54:37,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:37,219 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117825507] [2019-11-25 08:54:37,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:37,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:37,290 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117825507] [2019-11-25 08:54:37,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:37,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:54:37,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004690991] [2019-11-25 08:54:37,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:37,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:37,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:37,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:37,292 INFO L87 Difference]: Start difference. First operand 110 states and 171 transitions. Second operand 3 states. [2019-11-25 08:54:37,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:37,303 INFO L93 Difference]: Finished difference Result 110 states and 168 transitions. [2019-11-25 08:54:37,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:37,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-11-25 08:54:37,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:37,305 INFO L225 Difference]: With dead ends: 110 [2019-11-25 08:54:37,305 INFO L226 Difference]: Without dead ends: 92 [2019-11-25 08:54:37,306 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:37,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-11-25 08:54:37,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-11-25 08:54:37,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-25 08:54:37,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 135 transitions. [2019-11-25 08:54:37,320 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 135 transitions. Word has length 29 [2019-11-25 08:54:37,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:37,321 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 135 transitions. [2019-11-25 08:54:37,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:37,321 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2019-11-25 08:54:37,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-25 08:54:37,331 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:37,332 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] [2019-11-25 08:54:37,332 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:37,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:37,333 INFO L82 PathProgramCache]: Analyzing trace with hash 612885201, now seen corresponding path program 1 times [2019-11-25 08:54:37,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:37,333 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755708503] [2019-11-25 08:54:37,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:37,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:37,418 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755708503] [2019-11-25 08:54:37,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:37,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:54:37,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55351229] [2019-11-25 08:54:37,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:54:37,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:37,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:54:37,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:54:37,420 INFO L87 Difference]: Start difference. First operand 92 states and 135 transitions. Second operand 4 states. [2019-11-25 08:54:37,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:37,472 INFO L93 Difference]: Finished difference Result 36 states and 46 transitions. [2019-11-25 08:54:37,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:54:37,474 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-11-25 08:54:37,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:37,474 INFO L225 Difference]: With dead ends: 36 [2019-11-25 08:54:37,474 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:54:37,475 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:54:37,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:54:37,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:54:37,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:54:37,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:54:37,475 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2019-11-25 08:54:37,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:37,476 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:54:37,476 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:54:37,476 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:54:37,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:54:37,480 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-25 08:54:37,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:54:37 BasicIcfg [2019-11-25 08:54:37,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:54:37,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:54:37,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:54:37,487 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:54:37,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:36" (3/4) ... [2019-11-25 08:54:37,492 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:54:37,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2019-11-25 08:54:37,507 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-25 08:54:37,507 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 08:54:37,508 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:54:37,602 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7979d1b7-bc02-4198-864b-2a2e524c478b/bin/uautomizer/witness.graphml [2019-11-25 08:54:37,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:54:37,605 INFO L168 Benchmark]: Toolchain (without parser) took 2611.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 944.8 MB in the beginning and 989.6 MB in the end (delta: -44.8 MB). Peak memory consumption was 87.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:37,610 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:37,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:37,614 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.40 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: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:37,614 INFO L168 Benchmark]: Boogie Preprocessor took 31.95 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. [2019-11-25 08:54:37,615 INFO L168 Benchmark]: RCFGBuilder took 406.52 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: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:37,616 INFO L168 Benchmark]: TraceAbstraction took 1222.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.6 MB in the end (delta: 75.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:37,616 INFO L168 Benchmark]: Witness Printer took 116.26 ms. Allocated memory is still 1.2 GB. Free memory is still 989.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:37,619 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 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 774.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.40 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: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.95 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 406.52 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: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1222.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.6 MB in the end (delta: 75.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 11.5 GB. * Witness Printer took 116.26 ms. Allocated memory is still 1.2 GB. Free memory is still 989.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 699]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 699]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 708]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 699]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 699]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 83 locations, 5 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 233 SDtfs, 120 SDslu, 124 SDs, 0 SdLazy, 23 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=255occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 4749 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...