./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi003_pso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6368df63-a9bc-4e17-93bd-c8a30dd5fa72/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6368df63-a9bc-4e17-93bd-c8a30dd5fa72/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6368df63-a9bc-4e17-93bd-c8a30dd5fa72/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6368df63-a9bc-4e17-93bd-c8a30dd5fa72/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi003_pso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6368df63-a9bc-4e17-93bd-c8a30dd5fa72/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6368df63-a9bc-4e17-93bd-c8a30dd5fa72/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f31d1b6bc4cefc4b32e81ed2db3dec30efcce31 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:01:09,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:01:09,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:01:09,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:01:09,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:01:09,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:01:09,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:01:09,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:01:09,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:01:09,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:01:09,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:01:09,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:01:09,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:01:09,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:01:09,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:01:09,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:01:09,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:01:09,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:01:09,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:01:09,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:01:09,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:01:09,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:01:09,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:01:09,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:01:09,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:01:09,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:01:09,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:01:09,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:01:09,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:01:09,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:01:09,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:01:09,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:01:09,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:01:09,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:01:09,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:01:09,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:01:09,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:01:09,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:01:09,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:01:09,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:01:09,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:01:09,944 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6368df63-a9bc-4e17-93bd-c8a30dd5fa72/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 16:01:09,987 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:01:09,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:01:09,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:01:09,989 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:01:09,989 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 16:01:09,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:01:09,990 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:01:09,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:01:09,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:01:09,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:01:09,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:01:09,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:01:09,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:01:09,991 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:01:09,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:01:09,992 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:01:09,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:01:09,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:01:09,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 16:01:09,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:01:09,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 16:01:09,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 16:01:09,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:01:09,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:01:09,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:01:09,994 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 16:01:09,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:01:09,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:01:09,995 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 16:01:09,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_6368df63-a9bc-4e17-93bd-c8a30dd5fa72/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6368df63-a9bc-4e17-93bd-c8a30dd5fa72/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f31d1b6bc4cefc4b32e81ed2db3dec30efcce31 [2020-12-01 16:01:10,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:01:10,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:01:10,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:01:10,301 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:01:10,302 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:01:10,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6368df63-a9bc-4e17-93bd-c8a30dd5fa72/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/rfi003_pso.oepc.i [2020-12-01 16:01:10,380 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6368df63-a9bc-4e17-93bd-c8a30dd5fa72/bin/uautomizer/data/ba5701b25/901f75f6b0b748fb83555728cb5e2d47/FLAG02cdb43fe [2020-12-01 16:01:10,923 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:01:10,923 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6368df63-a9bc-4e17-93bd-c8a30dd5fa72/sv-benchmarks/c/pthread-wmm/rfi003_pso.oepc.i [2020-12-01 16:01:10,958 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6368df63-a9bc-4e17-93bd-c8a30dd5fa72/bin/uautomizer/data/ba5701b25/901f75f6b0b748fb83555728cb5e2d47/FLAG02cdb43fe [2020-12-01 16:01:11,227 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6368df63-a9bc-4e17-93bd-c8a30dd5fa72/bin/uautomizer/data/ba5701b25/901f75f6b0b748fb83555728cb5e2d47 [2020-12-01 16:01:11,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:01:11,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:01:11,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:01:11,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:01:11,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:01:11,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:01:11" (1/1) ... [2020-12-01 16:01:11,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3220c9c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:11, skipping insertion in model container [2020-12-01 16:01:11,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:01:11" (1/1) ... [2020-12-01 16:01:11,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:01:11,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:01:11,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:01:11,684 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:01:11,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:01:11,814 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:01:11,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:11 WrapperNode [2020-12-01 16:01:11,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:01:11,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:01:11,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:01:11,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:01:11,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:11" (1/1) ... [2020-12-01 16:01:11,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:11" (1/1) ... [2020-12-01 16:01:11,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:01:11,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:01:11,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:01:11,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:01:11,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:11" (1/1) ... [2020-12-01 16:01:11,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:11" (1/1) ... [2020-12-01 16:01:11,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:11" (1/1) ... [2020-12-01 16:01:11,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:11" (1/1) ... [2020-12-01 16:01:11,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:11" (1/1) ... [2020-12-01 16:01:11,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:11" (1/1) ... [2020-12-01 16:01:11,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:11" (1/1) ... [2020-12-01 16:01:11,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:01:11,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:01:11,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:01:11,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:01:11,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6368df63-a9bc-4e17-93bd-c8a30dd5fa72/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 [2020-12-01 16:01:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 16:01:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-01 16:01:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:01:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:01:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-12-01 16:01:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-12-01 16:01:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-12-01 16:01:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-12-01 16:01:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:01:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-01 16:01:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:01:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:01:12,042 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-01 16:01:13,836 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:01:13,837 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-01 16:01:13,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:01:13 BoogieIcfgContainer [2020-12-01 16:01:13,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:01:13,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 16:01:13,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 16:01:13,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 16:01:13,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 04:01:11" (1/3) ... [2020-12-01 16:01:13,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b04e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:01:13, skipping insertion in model container [2020-12-01 16:01:13,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:01:11" (2/3) ... [2020-12-01 16:01:13,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b04e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:01:13, skipping insertion in model container [2020-12-01 16:01:13,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:01:13" (3/3) ... [2020-12-01 16:01:13,849 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi003_pso.oepc.i [2020-12-01 16:01:13,867 WARN L169 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-01 16:01:13,867 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 16:01:13,871 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-01 16:01:13,872 INFO L354 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-01 16:01:13,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,916 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,916 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,916 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,917 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,918 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,918 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,918 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,918 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,918 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,919 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,919 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,919 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,919 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,920 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,920 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,920 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,920 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,920 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,921 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,921 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,930 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,930 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,930 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,930 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,933 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,933 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,933 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,942 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,942 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,943 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,944 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,946 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,946 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,947 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,957 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,958 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,958 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,958 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,959 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,963 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,963 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,968 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,968 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,968 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,968 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,968 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,968 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,970 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,975 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,976 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,976 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-01 16:01:13,981 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-01 16:01:13,992 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-12-01 16:01:14,028 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 16:01:14,028 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 16:01:14,028 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 16:01:14,028 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 16:01:14,028 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 16:01:14,029 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 16:01:14,029 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 16:01:14,029 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 16:01:14,053 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-01 16:01:14,055 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 87 transitions, 184 flow [2020-12-01 16:01:14,058 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 87 transitions, 184 flow [2020-12-01 16:01:14,060 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 87 transitions, 184 flow [2020-12-01 16:01:14,113 INFO L129 PetriNetUnfolder]: 3/85 cut-off events. [2020-12-01 16:01:14,114 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-12-01 16:01:14,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 85 events. 3/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2020-12-01 16:01:14,130 INFO L116 LiptonReduction]: Number of co-enabled transitions 1096 [2020-12-01 16:01:14,963 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 2, 1] term [2020-12-01 16:01:14,964 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:15,049 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:15,049 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:15,052 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:15,052 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:15,058 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:15,058 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:01:15,065 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:15,065 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:01:15,101 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:15,102 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:15,103 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:15,104 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:15,107 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:15,108 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:01:15,113 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:15,114 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:01:15,709 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2020-12-01 16:01:15,847 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-12-01 16:01:16,273 WARN L197 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-01 16:01:16,379 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-12-01 16:01:16,981 WARN L197 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2020-12-01 16:01:16,988 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 3, 2, 1] term [2020-12-01 16:01:16,989 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:17,400 WARN L197 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2020-12-01 16:01:17,424 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:17,425 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:17,428 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:17,431 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:17,434 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:17,435 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:01:17,438 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:17,439 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:01:17,464 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:17,465 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:17,466 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:17,466 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:17,469 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:17,469 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:01:17,472 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:17,474 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:01:17,685 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 4, 4, 3, 2, 1] term [2020-12-01 16:01:17,685 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:17,686 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 2, 1] term [2020-12-01 16:01:17,687 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:17,689 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 4, 4, 3, 2, 1] term [2020-12-01 16:01:17,689 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:18,048 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 2, 1] term [2020-12-01 16:01:18,049 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 16:01:18,052 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 7, 2, 4, 3, 4, 3, 2, 1] term [2020-12-01 16:01:18,053 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:18,108 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:18,109 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:18,118 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-12-01 16:01:18,118 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 16:01:18,120 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-12-01 16:01:18,120 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 16:01:18,122 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-12-01 16:01:18,122 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 16:01:18,126 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2020-12-01 16:01:18,127 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:18,130 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2020-12-01 16:01:18,130 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:18,132 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2020-12-01 16:01:18,132 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:18,207 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 2, 1] term [2020-12-01 16:01:18,207 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 16:01:18,210 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 8, 2, 4, 3, 4, 3, 2, 1] term [2020-12-01 16:01:18,211 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:18,259 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:18,259 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:18,267 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-12-01 16:01:18,268 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 16:01:18,270 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-12-01 16:01:18,270 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 16:01:18,271 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-12-01 16:01:18,271 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 16:01:18,273 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2020-12-01 16:01:18,274 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:18,277 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2020-12-01 16:01:18,277 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:18,278 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2020-12-01 16:01:18,279 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:18,370 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:18,370 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:18,371 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:18,372 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:18,374 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:18,375 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:18,376 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:18,377 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:18,395 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:18,395 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:18,396 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:18,397 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:18,404 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:18,405 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:01:18,407 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:18,407 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:01:18,625 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 4, 4, 3, 2, 1] term [2020-12-01 16:01:18,626 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:18,627 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 2, 1] term [2020-12-01 16:01:18,627 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:18,628 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 4, 4, 3, 2, 1] term [2020-12-01 16:01:18,632 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:19,069 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-01 16:01:19,177 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-01 16:01:19,605 WARN L197 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-12-01 16:01:19,794 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-12-01 16:01:20,348 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:20,349 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:20,349 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:20,350 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:20,351 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:20,352 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:20,354 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:20,354 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:20,370 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:20,371 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:20,371 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:20,372 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:20,374 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:20,374 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:01:20,376 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:20,377 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:01:20,400 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:20,400 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:20,401 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:20,402 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:20,403 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:20,404 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:01:20,406 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:20,406 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:01:20,424 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:20,425 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:20,426 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:20,426 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:20,428 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:20,428 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:20,430 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:20,431 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:21,156 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:21,156 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:21,157 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:21,157 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:21,159 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:21,159 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:01:21,161 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:21,161 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:01:21,178 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:21,179 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:21,179 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:21,180 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:21,181 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:21,181 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:21,183 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:21,183 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:21,235 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:21,236 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:21,237 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:21,237 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:21,238 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:21,239 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:21,240 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:21,241 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:01:21,261 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:21,262 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:21,262 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:21,263 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:21,265 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:21,265 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:01:21,267 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-01 16:01:21,268 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:01:22,507 WARN L197 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-12-01 16:01:22,693 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-12-01 16:01:22,983 WARN L197 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-12-01 16:01:23,140 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-12-01 16:01:23,424 WARN L197 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-12-01 16:01:23,601 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-12-01 16:01:23,766 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-12-01 16:01:23,926 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-12-01 16:01:23,928 INFO L131 LiptonReduction]: Checked pairs total: 3197 [2020-12-01 16:01:23,929 INFO L133 LiptonReduction]: Total number of compositions: 85 [2020-12-01 16:01:23,934 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 21 transitions, 52 flow [2020-12-01 16:01:23,949 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 170 states. [2020-12-01 16:01:23,950 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2020-12-01 16:01:23,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 16:01:23,957 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:23,957 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-01 16:01:23,958 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:23,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:23,963 INFO L82 PathProgramCache]: Analyzing trace with hash 835255494, now seen corresponding path program 1 times [2020-12-01 16:01:23,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:23,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269953852] [2020-12-01 16:01:23,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:24,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:01:24,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269953852] [2020-12-01 16:01:24,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:24,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-01 16:01:24,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357356683] [2020-12-01 16:01:24,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:01:24,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:24,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:01:24,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:01:24,292 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 3 states. [2020-12-01 16:01:24,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:24,347 INFO L93 Difference]: Finished difference Result 150 states and 353 transitions. [2020-12-01 16:01:24,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:01:24,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-01 16:01:24,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:24,361 INFO L225 Difference]: With dead ends: 150 [2020-12-01 16:01:24,363 INFO L226 Difference]: Without dead ends: 122 [2020-12-01 16:01:24,364 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:01:24,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-12-01 16:01:24,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-12-01 16:01:24,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-12-01 16:01:24,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 280 transitions. [2020-12-01 16:01:24,437 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 280 transitions. Word has length 5 [2020-12-01 16:01:24,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:24,437 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 280 transitions. [2020-12-01 16:01:24,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:01:24,438 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 280 transitions. [2020-12-01 16:01:24,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:01:24,440 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:24,440 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:01:24,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 16:01:24,440 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:24,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:24,444 INFO L82 PathProgramCache]: Analyzing trace with hash -478343740, now seen corresponding path program 1 times [2020-12-01 16:01:24,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:24,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918185349] [2020-12-01 16:01:24,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:24,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:01:24,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918185349] [2020-12-01 16:01:24,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:24,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-01 16:01:24,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941950455] [2020-12-01 16:01:24,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:01:24,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:24,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:01:24,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:01:24,559 INFO L87 Difference]: Start difference. First operand 122 states and 280 transitions. Second operand 3 states. [2020-12-01 16:01:24,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:24,572 INFO L93 Difference]: Finished difference Result 106 states and 236 transitions. [2020-12-01 16:01:24,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:01:24,573 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-12-01 16:01:24,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:24,577 INFO L225 Difference]: With dead ends: 106 [2020-12-01 16:01:24,578 INFO L226 Difference]: Without dead ends: 106 [2020-12-01 16:01:24,579 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:01:24,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-12-01 16:01:24,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-12-01 16:01:24,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-12-01 16:01:24,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 236 transitions. [2020-12-01 16:01:24,594 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 236 transitions. Word has length 7 [2020-12-01 16:01:24,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:24,594 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 236 transitions. [2020-12-01 16:01:24,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:01:24,595 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 236 transitions. [2020-12-01 16:01:24,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 16:01:24,596 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:24,596 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:01:24,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 16:01:24,597 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:24,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:24,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1125973483, now seen corresponding path program 1 times [2020-12-01 16:01:24,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:24,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642626390] [2020-12-01 16:01:24,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:24,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:01:24,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642626390] [2020-12-01 16:01:24,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:24,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 16:01:24,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774333157] [2020-12-01 16:01:24,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:01:24,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:24,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:01:24,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:01:24,692 INFO L87 Difference]: Start difference. First operand 106 states and 236 transitions. Second operand 3 states. [2020-12-01 16:01:24,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:24,718 INFO L93 Difference]: Finished difference Result 148 states and 324 transitions. [2020-12-01 16:01:24,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:01:24,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-12-01 16:01:24,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:24,722 INFO L225 Difference]: With dead ends: 148 [2020-12-01 16:01:24,722 INFO L226 Difference]: Without dead ends: 79 [2020-12-01 16:01:24,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:01:24,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-12-01 16:01:24,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2020-12-01 16:01:24,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-12-01 16:01:24,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 168 transitions. [2020-12-01 16:01:24,736 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 168 transitions. Word has length 11 [2020-12-01 16:01:24,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:24,737 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 168 transitions. [2020-12-01 16:01:24,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:01:24,737 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 168 transitions. [2020-12-01 16:01:24,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:01:24,738 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:24,738 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:01:24,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 16:01:24,739 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:24,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:24,740 INFO L82 PathProgramCache]: Analyzing trace with hash 545439230, now seen corresponding path program 1 times [2020-12-01 16:01:24,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:24,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230776450] [2020-12-01 16:01:24,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:24,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:01:24,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230776450] [2020-12-01 16:01:24,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:24,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:01:24,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330500846] [2020-12-01 16:01:24,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 16:01:24,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:24,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 16:01:24,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 16:01:24,871 INFO L87 Difference]: Start difference. First operand 79 states and 168 transitions. Second operand 4 states. [2020-12-01 16:01:24,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:24,903 INFO L93 Difference]: Finished difference Result 69 states and 123 transitions. [2020-12-01 16:01:24,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 16:01:24,904 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-12-01 16:01:24,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:24,905 INFO L225 Difference]: With dead ends: 69 [2020-12-01 16:01:24,905 INFO L226 Difference]: Without dead ends: 47 [2020-12-01 16:01:24,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 16:01:24,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-12-01 16:01:24,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-12-01 16:01:24,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-12-01 16:01:24,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 76 transitions. [2020-12-01 16:01:24,908 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 76 transitions. Word has length 12 [2020-12-01 16:01:24,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:24,908 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 76 transitions. [2020-12-01 16:01:24,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 16:01:24,909 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2020-12-01 16:01:24,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:01:24,909 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:24,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:01:24,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 16:01:24,910 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:24,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:24,910 INFO L82 PathProgramCache]: Analyzing trace with hash -462175120, now seen corresponding path program 1 times [2020-12-01 16:01:24,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:24,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589949585] [2020-12-01 16:01:24,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:24,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:01:24,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589949585] [2020-12-01 16:01:24,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:24,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 16:01:24,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045084397] [2020-12-01 16:01:24,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 16:01:24,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:24,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 16:01:24,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 16:01:24,981 INFO L87 Difference]: Start difference. First operand 47 states and 76 transitions. Second operand 5 states. [2020-12-01 16:01:25,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:25,033 INFO L93 Difference]: Finished difference Result 37 states and 54 transitions. [2020-12-01 16:01:25,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 16:01:25,034 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-12-01 16:01:25,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:25,035 INFO L225 Difference]: With dead ends: 37 [2020-12-01 16:01:25,035 INFO L226 Difference]: Without dead ends: 29 [2020-12-01 16:01:25,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-01 16:01:25,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-01 16:01:25,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-12-01 16:01:25,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-01 16:01:25,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-12-01 16:01:25,046 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 14 [2020-12-01 16:01:25,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:25,046 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-12-01 16:01:25,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 16:01:25,047 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-12-01 16:01:25,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:01:25,048 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:25,048 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:01:25,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 16:01:25,049 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:25,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:25,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1349765352, now seen corresponding path program 1 times [2020-12-01 16:01:25,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:25,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769089257] [2020-12-01 16:01:25,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:25,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:01:25,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769089257] [2020-12-01 16:01:25,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:25,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 16:01:25,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680152637] [2020-12-01 16:01:25,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-01 16:01:25,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:25,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-01 16:01:25,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-01 16:01:25,414 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 6 states. [2020-12-01 16:01:25,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:25,502 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2020-12-01 16:01:25,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 16:01:25,502 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-12-01 16:01:25,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:25,503 INFO L225 Difference]: With dead ends: 35 [2020-12-01 16:01:25,503 INFO L226 Difference]: Without dead ends: 25 [2020-12-01 16:01:25,504 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-12-01 16:01:25,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-12-01 16:01:25,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-12-01 16:01:25,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-12-01 16:01:25,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2020-12-01 16:01:25,506 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 16 [2020-12-01 16:01:25,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:25,506 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2020-12-01 16:01:25,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-01 16:01:25,506 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2020-12-01 16:01:25,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:01:25,507 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:25,507 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:01:25,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-01 16:01:25,507 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:25,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:25,508 INFO L82 PathProgramCache]: Analyzing trace with hash -576410664, now seen corresponding path program 2 times [2020-12-01 16:01:25,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:25,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414505330] [2020-12-01 16:01:25,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:01:25,562 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:01:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:01:25,616 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:01:25,657 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 16:01:25,657 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 16:01:25,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-01 16:01:25,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 04:01:25 BasicIcfg [2020-12-01 16:01:25,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 16:01:25,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:01:25,763 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:01:25,763 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:01:25,763 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:01:13" (3/4) ... [2020-12-01 16:01:25,765 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:01:25,872 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6368df63-a9bc-4e17-93bd-c8a30dd5fa72/bin/uautomizer/witness.graphml [2020-12-01 16:01:25,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:01:25,874 INFO L168 Benchmark]: Toolchain (without parser) took 14643.09 ms. Allocated memory was 86.0 MB in the beginning and 281.0 MB in the end (delta: 195.0 MB). Free memory was 54.6 MB in the beginning and 177.3 MB in the end (delta: -122.7 MB). Peak memory consumption was 71.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:01:25,874 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory was 42.2 MB in the beginning and 42.1 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:01:25,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.88 ms. Allocated memory is still 86.0 MB. Free memory was 54.4 MB in the beginning and 40.6 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:01:25,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.00 ms. Allocated memory is still 86.0 MB. Free memory was 40.6 MB in the beginning and 38.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:01:25,876 INFO L168 Benchmark]: Boogie Preprocessor took 67.19 ms. Allocated memory is still 86.0 MB. Free memory was 38.1 MB in the beginning and 36.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:01:25,876 INFO L168 Benchmark]: RCFGBuilder took 1901.28 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 36.1 MB in the beginning and 56.9 MB in the end (delta: -20.8 MB). Peak memory consumption was 31.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:01:25,877 INFO L168 Benchmark]: TraceAbstraction took 11921.37 ms. Allocated memory was 104.9 MB in the beginning and 281.0 MB in the end (delta: 176.2 MB). Free memory was 56.9 MB in the beginning and 187.8 MB in the end (delta: -130.9 MB). Peak memory consumption was 45.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:01:25,877 INFO L168 Benchmark]: Witness Printer took 110.13 ms. Allocated memory is still 281.0 MB. Free memory was 187.8 MB in the beginning and 177.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:01:25,881 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory was 42.2 MB in the beginning and 42.1 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 570.88 ms. Allocated memory is still 86.0 MB. Free memory was 54.4 MB in the beginning and 40.6 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.00 ms. Allocated memory is still 86.0 MB. Free memory was 40.6 MB in the beginning and 38.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.19 ms. Allocated memory is still 86.0 MB. Free memory was 38.1 MB in the beginning and 36.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1901.28 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 36.1 MB in the beginning and 56.9 MB in the end (delta: -20.8 MB). Peak memory consumption was 31.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11921.37 ms. Allocated memory was 104.9 MB in the beginning and 281.0 MB in the end (delta: 176.2 MB). Free memory was 56.9 MB in the beginning and 187.8 MB in the end (delta: -130.9 MB). Peak memory consumption was 45.1 MB. Max. memory is 16.1 GB. * Witness Printer took 110.13 ms. Allocated memory is still 281.0 MB. Free memory was 187.8 MB in the beginning and 177.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 757 VarBasedMoverChecksPositive, 58 VarBasedMoverChecksNegative, 15 SemBasedMoverChecksPositive, 43 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.8s, 67 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 9.8s, 91 PlacesBefore, 27 PlacesAfterwards, 87 TransitionsBefore, 21 TransitionsAfterwards, 1096 CoEnabledTransitionPairs, 7 FixpointIterations, 34 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 85 TotalNumberOfCompositions, 3197 MoverChecksTotal - CounterExampleResult [Line: 18]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p1_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L720] 0 _Bool x$flush_delayed; [L721] 0 int x$mem_tmp; [L722] 0 _Bool x$r_buff0_thd0; [L723] 0 _Bool x$r_buff0_thd1; [L724] 0 _Bool x$r_buff0_thd2; [L725] 0 _Bool x$r_buff1_thd0; [L726] 0 _Bool x$r_buff1_thd1; [L727] 0 _Bool x$r_buff1_thd2; [L728] 0 _Bool x$read_delayed; [L729] 0 int *x$read_delayed_var; [L730] 0 int x$w_buff0; [L731] 0 _Bool x$w_buff0_used; [L732] 0 int x$w_buff1; [L733] 0 _Bool x$w_buff1_used; [L735] 0 int y = 0; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L813] 0 pthread_t t1637; [L814] FCALL, FORK 0 pthread_create(&t1637, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L815] 0 pthread_t t1638; [L816] FCALL, FORK 0 pthread_create(&t1638, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L771] 2 x$w_buff1 = x$w_buff0 [L772] 2 x$w_buff0 = 1 [L773] 2 x$w_buff1_used = x$w_buff0_used [L774] 2 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L776] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L777] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L778] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L779] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L782] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L785] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L788] 2 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L741] 1 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L746] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L747] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L748] 1 x$flush_delayed = weak$$choice2 [L749] 1 x$mem_tmp = x [L750] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L750] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L751] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L751] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0) [L751] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L751] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L752] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L752] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L752] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L752] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L753] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L753] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used) [L753] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L753] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L754] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L754] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L754] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L754] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L755] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L755] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1) [L755] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L755] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L756] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L756] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 __unbuffered_p0_EAX = x [L758] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L758] 1 x = x$flush_delayed ? x$mem_tmp : x [L759] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L791] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L792] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L793] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L793] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L794] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L794] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L795] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L795] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L798] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L800] 2 return 0; [L764] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L766] 1 return 0; [L818] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L4] COND FALSE 0 !(!cond) [L822] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L822] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L822] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L822] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L823] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L823] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L824] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L824] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L825] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L825] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L826] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L826] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L829] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 1) [L19] COND TRUE 0 !expression [L18] COND FALSE 0 !(0) [L18] 0 __assert_fail ("0", "rfi003_pso.oepc.c", 9, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 85 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.6s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.9s, HoareTripleCheckerStatistics: 90 SDtfs, 80 SDslu, 85 SDs, 0 SdLazy, 56 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 4955 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...